/* ========================================
   Refined Dark Theme — CSS Custom Properties
   ======================================== */
:root {
    /* Color palette */
    --bg-primary: #FFFFFF;
    --bg-surface: #F7F7F7;
    --bg-elevated: #EFEFEF;
    --bg-hover: #E5E5E5;

    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-default: rgba(0, 0, 0, 0.15);
    --border-strong: rgba(0, 0, 0, 0.3);

    --green: #F7DA21;
    --green-light: #FFE83D;
    --green-glow: rgba(247, 218, 33, 0.5);
    --yellow: #F0A500;
    --yellow-light: #F5B520;
    --yellow-glow: rgba(240, 165, 0, 0.5);
    --red: #ef4444;
    --red-light: #ff6b6b;
    --blue: #4285f4;

    --text-primary: #1A1A1A;
    --text-secondary: rgba(0, 0, 0, 0.65);
    --text-muted: rgba(0, 0, 0, 0.4);

    /* Glass-morphism */
    --glass-bg: rgba(0, 0, 0, 0.02);
    --glass-bg-hover: rgba(0, 0, 0, 0.05);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-blur: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-glow-green: 0 0 20px rgba(247, 218, 33, 0.45);
    --shadow-glow-yellow: 0 0 20px rgba(240, 165, 0, 0.45);

    /* Easing */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-pill: 100px;

    /* Fonts */
    --font-display: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ========================================
   Global Reset & Base
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 50% 30%, rgba(247, 218, 33, 0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 90%, rgba(240, 165, 0, 0.04) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Game screen uses flex layout to fill viewport */
#game-screen {
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    overflow: hidden;
}
#game-screen.active {
    display: flex;
}

.hidden {
    display: none !important;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

/* ========================================
   Typography
   ======================================== */
h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--text-primary);
}

.subtitle {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* ========================================
   Auth Section (bottom of main menu card)
   ======================================== */
.auth-bottom-section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.auth-bottom-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

#auth-section {
    display: flex;
    justify-content: center;
    margin-bottom: 0;
}

#auth-signed-in {
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.auth-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.google-sign-in-btn {
    display: inline-block;
    padding: 6px 14px;
    background: var(--blue);
    color: #fff;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.2s var(--ease-smooth);
}

.google-sign-in-btn:hover {
    background: #3367d6;
}

.auth-logout-btn {
    background: none;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s var(--ease-smooth);
}

.auth-logout-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* ========================================
   SEO Content Section (crawlable homepage content)
   ======================================== */
.seo-content {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.seo-content h2 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.seo-content h2:not(:first-child) {
    margin-top: 1.25rem;
}

.seo-content > p {
    margin-bottom: 0.5rem;
}

.seo-modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.75rem;
}

.seo-mode h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.seo-mode p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.seo-link {
    margin-top: 1.25rem;
    font-size: 0.85rem;
    text-align: center;
}

.seo-link a {
    color: var(--green-light);
    text-decoration: none;
    font-weight: 500;
}

.seo-link a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .seo-modes {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .seo-content {
        margin-top: 1rem;
        padding-top: 1rem;
    }
}

/* ========================================
   Header & Title Row
   ======================================== */
.header-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
}

.clickable-title {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.2);
}

/* ========================================
   Compact Game Header Bar (44px)
   ======================================== */
.game-header-bar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: calc(44px + env(safe-area-inset-top, 0px));
    min-height: calc(44px + env(safe-area-inset-top, 0px));
    flex-shrink: 0;
    padding: env(safe-area-inset-top, 0px) 12px 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 50;
    margin-bottom: 0;
}

.header-bar-left {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-self: start;
}

.header-bar-mode {
    font-size: 1rem;
    display: none;
}

.header-bar-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-bar-center {
    justify-self: center;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    padding: 4px 14px;
    background: var(--bg-elevated);
    border-radius: var(--radius-pill);
}

.header-bar-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    justify-self: end;
}

/* Chat FAB — 36px circle */
.chat-fab {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--glass-bg);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background 0.2s var(--ease-smooth);
    padding: 0;
    color: var(--text-primary);
}

.chat-fab:hover {
    background: var(--glass-bg-hover);
}

.chat-fab-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    background-color: var(--red);
    border-radius: 50%;
    display: none;
}

.chat-fab-badge.active {
    display: block;
}

/* ========================================
   Game Main Flex Layout
   ======================================== */
.game-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.game-board-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 8px;
}

/* ========================================
   Header Chat
   ======================================== */
.header-chat {
    margin-bottom: 20px;
}

.chat-mini {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.chat-mini:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-default);
}

.chat-mini-messages {
    max-height: 60px;
    overflow: hidden;
    margin-bottom: 5px;
}

.chat-mini .chat-message {
    margin-bottom: 8px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.3;
}

.chat-mini .chat-message.system {
    background-color: transparent;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
}

.chat-mini .chat-message.player1 {
    background-color: var(--green);
    color: #1A1A1A;
    margin-right: 20%;
}

.chat-mini .chat-message.player2 {
    background-color: var(--yellow);
    color: #1A1A1A;
    margin-left: 20%;
}

.chat-expand-btn {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    border-radius: var(--radius-sm);
    transition: background-color 0.3s var(--ease-smooth);
}

.chat-expand-btn:hover {
    background-color: var(--bg-hover);
}

.chat-expand-btn.has-new-message {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.1); }
    100% { transform: translateY(-50%) scale(1); }
}

/* ========================================
   Settings Menu
   ======================================== */
.settings-container {
    position: relative;
}

.settings-icon {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-md);
    transition: background-color 0.3s var(--ease-smooth);
    color: var(--text-primary);
}

.settings-icon:hover {
    background-color: var(--bg-hover);
}

.settings-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    min-width: 160px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.3s var(--ease-out-expo);
}

.settings-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.settings-option {
    width: 100%;
    background: none;
    border: none;
    padding: 12px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s var(--ease-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    text-align: left;
}

.settings-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.settings-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.settings-option:hover {
    background-color: var(--bg-hover);
}

.settings-option:active {
    background-color: var(--green);
}

.settings-divider {
    height: 1px;
    background-color: var(--border-subtle);
    margin: 4px 0;
}

#leave-game {
    color: var(--red-light);
}

#leave-game:hover {
    background-color: var(--red);
    color: #ffffff;
}

/* ========================================
   Game Board & Grid
   ======================================== */
.game-board {
    display: flex;
    justify-content: center;
    position: relative;
    max-width: 350px;
    max-height: 420px;
    width: 100%;
    height: 100%;
}

.grid {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
    aspect-ratio: 5 / 6;
    width: auto;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
}

@supports not (aspect-ratio: 5 / 6) {
    .grid {
        width: 300px;
        height: 360px;
    }
}

.cell {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: bold;
    border: 2px solid var(--border-default);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    text-transform: uppercase;
    transition: border-color 0.3s var(--ease-smooth), background-color 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
    will-change: transform;
}

.cell.filled {
    border-color: var(--border-strong);
    background-color: var(--bg-elevated);
}

.cell.correct {
    background-color: var(--green);
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
}

.cell.present {
    background-color: var(--yellow);
    border-color: var(--yellow);
    box-shadow: 0 0 12px var(--yellow-glow);
}

.cell.absent {
    background-color: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.08);
}

.cell.typing-preview {
    background-color: var(--bg-hover);
    border-color: var(--border-strong);
    animation: typing-pulse 1s infinite;
    opacity: 0.7;
}

@keyframes typing-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* ========================================
   Inactivity Warning Modal
   ======================================== */
.inactivity-warning-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s var(--ease-out-expo);
}

.inactivity-warning-modal {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 2px solid #f59e0b;
    border-radius: var(--radius-lg);
    padding: 30px;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.inactivity-warning-modal h2 {
    font-family: var(--font-display);
    color: #f59e0b;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.inactivity-warning-modal p {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.inactivity-warning-modal #countdown {
    color: #f59e0b;
    font-weight: bold;
    font-size: 1.3rem;
}

/* ========================================
   Disconnect Modal
   ======================================== */
.disconnect-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.disconnect-modal {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 2px solid var(--red);
    border-radius: var(--radius-lg);
    padding: 30px;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}

.disconnect-modal h2 {
    font-family: var(--font-display);
    color: var(--red);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.disconnect-modal p {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.disconnect-modal button {
    margin: 5px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Input Section
   ======================================== */
.input-section {
    display: flex;
    gap: 10px;
    margin: 4px 0;
    justify-content: center;
    flex-shrink: 0;
}

#guess-input {
    padding: 12px 16px;
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.15em;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 200px;
    text-transform: uppercase;
    transition: border-color 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

#guess-input:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
}

#guess-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#submit-guess {
    padding: 12px 20px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
}

#submit-guess:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-green);
}

#submit-guess:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
}

/* ========================================
   Keyboard
   ======================================== */
.keyboard {
    flex-shrink: 0;
    padding: 6px 4px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-primary);
    margin-bottom: 0;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
}

.key {
    padding: 12px 8px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: bold;
    background: linear-gradient(180deg, #E8E8E8 0%, #D8D8D8 100%);
    color: #1A1A1A;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s var(--ease-smooth);
    min-width: 40px;
    will-change: transform;
}

.key:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    background: linear-gradient(180deg, #D8D8D8 0%, #C8C8C8 100%);
}

.key:active {
    transform: scale(0.95);
    box-shadow: none;
}

.key.correct {
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    box-shadow: 0 0 10px var(--green-glow);
}

.key.present {
    background: linear-gradient(180deg, var(--yellow-light) 0%, var(--yellow) 100%);
    box-shadow: 0 0 10px var(--yellow-glow);
}

.key.absent {
    background: var(--bg-hover);
}

.enter-key, .backspace-key {
    min-width: 60px;
    font-size: 0.8rem;
}

.enter-key.ready {
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    box-shadow: 0 0 10px var(--green-glow);
}

/* ========================================
   Game Messages (old — hidden, replaced by toast)
   ======================================== */
.game-messages {
    display: none !important;
}

/* Toast messages (floating over grid) */
.game-toast {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    pointer-events: none;
}

.game-toast #message-display {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease-smooth), transform 0.25s var(--ease-smooth);
    white-space: nowrap;
}

.game-toast #message-display.visible {
    opacity: 1;
    transform: translateY(0);
}

.game-toast #message-display.success {
    background-color: var(--green);
    color: #1A1A1A;
    border-color: var(--green);
}

.game-toast #message-display.error {
    background-color: var(--red);
    color: #ffffff;
    border-color: var(--red);
}

.game-toast #message-display.info {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
}

/* ========================================
   Mobile Breakpoint (480px)
   ======================================== */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .header-title-row {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .settings-container {
        position: relative;
    }

    .settings-menu {
        right: 0;
    }

    .cell {
        font-size: 1.2rem;
    }

    /* Hide input section on mobile — physical keyboard handled via document keydown */
    .input-section {
        display: none !important;
    }

    .chat-mini {
        max-width: 100%;
    }

    .chat-modal {
        width: 95%;
        height: 85%;
    }

    /* Mobile keyboard optimization */
    .keyboard {
        width: 100%;
        max-width: 100%;
    }

    .keyboard-row {
        gap: 4px;
        margin-bottom: 6px;
    }

    .key {
        padding: 14px 6px;
        font-size: 0.8rem;
        min-width: 28px;
        height: 50px;
        flex: 1;
    }

    .key[data-action="enter"],
    .key[data-action="backspace"] {
        flex: 1.5;
        font-size: 0.7rem;
    }

    /* Better touch targets for mobile */
    button, .key, .primary-btn, .secondary-btn {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    /* Fix input zoom on iOS */
    input[type="text"] {
        font-size: 16px !important;
    }

    /* Lobby optimization for mobile */
    .lobby-options {
        padding: 15px;
    }

    #game-id-input {
        width: 100%;
    }

    /* Main menu and game room compact styles are at end of file
       (after base styles) to ensure proper cascade */
}

/* ========================================
   Chat Modal / Overlay
   ======================================== */
.chat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.chat-overlay.active {
    display: flex;
}

.chat-modal {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 500px;
    height: 80%;
    max-height: 600px;
    display: flex;
    flex-direction: column;
    animation: slideIn 0.3s var(--ease-out-expo);
    box-shadow: var(--shadow-lg);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-subtle);
    background-color: var(--bg-elevated);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chat-header h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0;
}

.close-chat-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    transition: background-color 0.3s var(--ease-smooth);
    color: var(--text-primary);
}

.close-chat-btn:hover {
    background-color: var(--red);
    color: #ffffff;
}

.chat-content {
    display: flex;
    flex-direction: column;
    height: 500px;
    transition: all 0.3s var(--ease-smooth);
}

.chat-content.collapsed {
    height: 0;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    scroll-behavior: smooth;
}

.chat-message {
    margin-bottom: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    max-width: 85%;
    word-wrap: break-word;
    animation: fadeIn 0.3s var(--ease-out-expo);
}

.chat-message.player1 {
    background-color: var(--green);
    color: #1A1A1A;
    align-self: flex-start;
    margin-left: 0;
    margin-right: auto;
}

.chat-message.player2 {
    background-color: var(--yellow);
    color: #1A1A1A;
    align-self: flex-end;
    margin-left: auto;
    margin-right: 0;
}

.chat-message.system {
    background-color: var(--bg-hover);
    color: var(--text-secondary);
    align-self: center;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
    font-size: 0.9rem;
    text-align: center;
    max-width: 90%;
}

.chat-message .player-name {
    font-weight: bold;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 2px;
    opacity: 0.9;
}

.chat-message .message-text {
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-message .timestamp {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 4px;
    display: block;
}

.chat-input-section {
    display: flex;
    gap: 8px;
    padding: 15px;
    border-top: 1px solid var(--border-subtle);
    background-color: var(--bg-surface);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

#chat-input {
    flex: 1;
    padding: 10px 12px;
    font-size: 0.9rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    transition: border-color 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

#chat-input:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 8px var(--green-glow);
}

#chat-input::placeholder {
    color: var(--text-muted);
}

#send-message {
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth);
    white-space: nowrap;
}

#send-message:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-green);
}

#send-message:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
}

/* Scrollbar */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-surface);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Notification badge */
.chat-toggle.has-new-message::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background-color: var(--red);
    border-radius: 50%;
    border: 2px solid var(--bg-elevated);
}

/* ========================================
   End Card Modal
   ======================================== */
.end-card-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.end-card-overlay.active {
    display: flex;
}

.end-card {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: endCardSlideIn 0.5s var(--ease-spring);
    box-shadow: var(--shadow-lg);
}

@keyframes endCardSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.end-card-header {
    text-align: center;
    padding: 30px 20px 20px;
    background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    position: relative;
}

.end-card-header.defeat {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-light) 100%);
}

.end-card-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.end-card-header h2 {
    font-family: var(--font-display);
    color: #1A1A1A;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 5px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.end-card-header p {
    color: rgba(0, 0, 0, 0.75);
    font-size: 1.1rem;
    margin: 0;
}

.end-card-content {
    padding: 30px;
}

.game-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    background: var(--glass-bg);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.stat-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.word-reveal {
    background: linear-gradient(135deg, var(--green), var(--green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.collaboration-info {
    background: var(--glass-bg);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.collaboration-info h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.2rem;
    margin: 0 0 15px 0;
    text-align: center;
}

.player-contributions {
    display: flex;
    justify-content: space-around;
    gap: 15px;
}

.contribution {
    text-align: center;
    flex: 1;
}

.contribution .player-name {
    display: block;
    color: var(--text-primary);
    font-weight: bold;
    margin-bottom: 5px;
}

.contribution .contribution-count {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.end-card-actions {
    padding: 0 30px 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ========================================
   Action Buttons
   ======================================== */
.action-btn {
    flex: 1;
    padding: 15px 20px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-btn.primary {
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
}

.action-btn.secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.action-btn.secondary:hover {
    transform: translateY(-2px);
    background: var(--bg-hover);
    box-shadow: var(--shadow-md);
}

.action-btn.share {
    background: linear-gradient(180deg, var(--yellow-light) 0%, var(--yellow) 100%);
    color: #1A1A1A;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.25s var(--ease-smooth);
}

.action-btn.share:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-yellow);
}

/* Mobile end card */
@media (max-width: 480px) {
    .end-card {
        width: 95%;
        margin: 10px;
    }

    .end-card-header {
        padding: 20px 15px 15px;
    }

    .end-card-header h2 {
        font-size: 1.6rem;
    }

    .end-card-content {
        padding: 20px;
    }

    .game-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-item {
        padding: 15px;
    }

    .player-contributions {
        flex-direction: column;
        gap: 10px;
    }

    .end-card-actions {
        padding: 0 20px 20px;
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
    }
}

/* ========================================
   Lobby Styles
   ======================================== */
#lobby-screen {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

#lobby-screen header {
    margin-bottom: 50px;
}

/* ========================================
   Main Menu & Glass Surfaces
   ======================================== */
.main-menu-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--glass-border);
    animation: menuFadeUp 0.5s var(--ease-out-expo);
}

.game-room-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--glass-border);
    position: relative;
    animation: menuFadeUp 0.4s var(--ease-out-expo);
}

.lobby-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--glass-border);
}

/* Menu entrance animation */
@keyframes menuFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered entrance for main menu sections */
.game-mode-selection {
    animation: menuFadeUp 0.4s var(--ease-out-expo) 0.1s both;
}

.divider-section {
    animation: menuFadeUp 0.4s var(--ease-out-expo) 0.15s both;
}

.join-game-section {
    animation: menuFadeUp 0.4s var(--ease-out-expo) 0.2s both;
}

.wordpack-section {
    animation: menuFadeUp 0.4s var(--ease-out-expo) 0.25s both;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    z-index: 10;
}

.close-btn:hover {
    background: rgba(255, 100, 100, 0.15);
    border-color: rgba(255, 100, 100, 0.3);
    color: var(--red-light);
    transform: scale(1.1);
}

.close-icon {
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
}

.lobby-options {
    margin-bottom: 30px;
}

/* ========================================
   Buttons: Primary & Secondary
   ======================================== */
.primary-btn {
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
    border: none;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
    margin-bottom: 20px;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
}

.secondary-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
}

.secondary-btn:hover {
    background: var(--bg-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.divider {
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 1rem;
    text-align: center;
}

.join-game-section {
    text-align: center;
}

.join-input-wrapper {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    overflow: hidden;
    transition: border-color 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

.join-input-wrapper:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
}

.join-input-wrapper #game-id-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 16px;
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    min-width: 0;
}

.join-input-wrapper #game-id-input:focus {
    outline: none;
    border: none;
    box-shadow: none;
}

.join-inline-btn {
    padding: 10px 18px;
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s var(--ease-smooth);
    margin: 4px;
    border-radius: var(--radius-sm);
}

.join-inline-btn:hover {
    box-shadow: var(--shadow-glow-green);
}

#game-id-input {
    padding: 12px 16px;
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.15em;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 200px;
    transition: border-color 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

#game-id-input:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
}

.lobby-info {
    border-top: 1px solid var(--border-subtle);
    padding-top: 30px;
    margin-top: 30px;
}

.game-link-section {
    margin-bottom: 30px;
}

.game-link-section h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.link-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
}

#game-link {
    padding: 12px 16px;
    font-size: 0.9rem;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    width: 300px;
    text-align: center;
}

#copy-link-btn {
    background: linear-gradient(180deg, var(--yellow-light) 0%, var(--yellow) 100%);
    color: #1A1A1A;
    border: none;
    padding: 12px 20px;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
}

#copy-link-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-yellow);
}

.players-waiting h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

#lobby-players {
    margin-bottom: 20px;
}

.lobby-player {
    display: inline-block;
    padding: 8px 16px;
    margin: 5px;
    background-color: var(--bg-hover);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
}

.lobby-player.ready {
    background-color: var(--green);
}

.lobby-player.you {
    border: 2px solid var(--yellow);
}

.ready-btn {
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    color: #1A1A1A;
    border: none;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
}

.ready-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-green);
}

.ready-btn:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
    opacity: 0.5;
}

.ready-btn.ready {
    background: linear-gradient(180deg, var(--yellow-light) 0%, var(--yellow) 100%);
}

.ready-btn.ready:hover {
    box-shadow: var(--shadow-glow-yellow);
}

@media (max-width: 480px) {
    .lobby-content {
        padding: 20px;
    }

    .link-container {
        flex-direction: column;
    }

    #game-link {
        width: 100%;
        margin-bottom: 10px;
    }

    #game-id-input {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* ========================================
   Game Mode Selection
   ======================================== */
.game-mode-selection {
    margin-bottom: 0;
}

.game-mode-selection h3 {
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.mode-selection-subtitle {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.join-game-section h3 {
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.divider-section {
    margin: 1.25rem 0;
}

.game-mode-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
}

.create-join-section {
    animation: fadeIn 0.3s var(--ease-out-expo);
}

/* Game Room Card Sections */
.game-room-content > div {
    margin-bottom: 2rem;
}

.game-room-content > div:last-child {
    margin-bottom: 0;
}

/* Game Mode Display */
.game-mode-display {
    text-align: center;
    margin-bottom: 2rem;
}

.mode-badge-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(247, 218, 33, 0.15);
    border: 2px solid rgba(247, 218, 33, 0.4);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

.mode-badge-large.competitive {
    background: rgba(255, 100, 100, 0.12);
    border-color: rgba(255, 100, 100, 0.25);
}

.mode-icon-large {
    font-size: 1.5rem;
}

.mode-name-large {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
}

/* Share and Code Sections */
.share-section, .game-code-section {
    text-align: center;
}

.share-section h3, .game-code-section h3 {
    font-family: var(--font-display);
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.link-container, .code-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.link-container input, .code-container input {
    flex: 1;
    padding: 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.copy-btn {
    padding: 0.75rem 1rem;
    background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 100%);
    border: none;
    border-radius: var(--radius-sm);
    color: #1A1A1A;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.25s var(--ease-smooth);
    white-space: nowrap;
}

.copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-green);
}

/* ========================================
   Players Section
   ======================================== */
.players-section h3 {
    font-family: var(--font-display);
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-align: center;
}

.players-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.player-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    position: relative;
    transition: all 0.3s var(--ease-smooth);
}

.player-card.ready {
    background: rgba(247, 218, 33, 0.1);
    border-color: rgba(247, 218, 33, 0.4);
    box-shadow: inset 0 0 20px rgba(247, 218, 33, 0.08);
}

.player-card.empty {
    border-style: dashed;
    opacity: 0.5;
}

.player-card.clickable {
    transition: all 0.3s var(--ease-smooth);
}

.player-card.clickable:hover {
    background: rgba(247, 218, 33, 0.1);
    border-color: rgba(247, 218, 33, 0.4);
    transform: translateY(-2px);
}

.player-name {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.player-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.player-ready-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    color: var(--green);
    font-size: 1.2rem;
}

/* Status Section */
.status-section {
    text-align: center;
    padding: 1.5rem;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.game-status-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
    transition: all 0.3s var(--ease-smooth);
    text-align: center;
}

.game-status-text.ready {
    color: var(--green);
    font-weight: 600;
}

.game-status-text.starting {
    color: var(--yellow);
    font-weight: 600;
    font-size: 1.2rem;
}

/* ========================================
   Game Mode Buttons
   ======================================== */
.game-mode-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.mode-btn {
    flex: 1;
    min-width: 0;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.mode-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.mode-btn.selected {
    background: rgba(247, 218, 33, 0.15);
    border-color: var(--green);
    box-shadow: var(--shadow-glow-green);
}

.mode-icon {
    font-size: 2rem;
}

.mode-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}

.mode-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

/* ========================================
   Word Selection Modal
   ======================================== */
.word-selection-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.word-selection-overlay.active {
    display: flex;
}

.word-selection-modal {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.word-selection-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    flex-shrink: 0;
}

.word-selection-header h2 {
    font-family: var(--font-display);
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.word-selection-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timer-display {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
}

.timer-icon {
    font-size: 1.2rem;
}

.timer-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.timer-display.warning {
    background: rgba(255, 100, 100, 0.3);
    animation: pulse 1s infinite;
}

/* Word Cloud */
.word-selection-content {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.word-cloud-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin: 2rem 0;
    min-height: 120px;
}

.word-cloud-item {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    border: 2px solid var(--border-strong);
    border-radius: var(--radius-pill);
    background: var(--glass-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    transform: scale(1);
    letter-spacing: 0.1em;
}

.word-cloud-item:hover {
    border-color: var(--green);
    transform: scale(1.05);
    color: var(--text-primary);
    background: rgba(247, 218, 33, 0.15);
    box-shadow: 0 0 12px var(--green-glow);
}

.word-cloud-item.selected {
    border-color: var(--green);
    background: var(--green);
    color: #1A1A1A;
    transform: scale(1.1);
    box-shadow: 0 4px 16px var(--green-glow);
}

.word-cloud-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: scale(0.95);
}

.word-preview {
    text-align: center;
    padding: 1.5rem;
    background: rgba(247, 218, 33, 0.15);
    border-radius: var(--radius-md);
    border: 2px solid var(--green);
}

.preview-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.preview-word {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.3rem;
    color: var(--text-primary);
}

.word-selection-actions {
    flex-shrink: 0;
    margin-top: 0;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: center;
}

.word-selection-actions .action-btn {
    min-width: 200px;
}

/* Progress Button Styles */
.progress-btn {
    position: relative;
    overflow: hidden;
    border: 2px solid var(--green);
    background: transparent;
    transition: all 0.3s var(--ease-smooth);
}

.progress-btn:not(:disabled) {
    background: var(--green);
}

.progress-btn:disabled {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--green);
    cursor: default;
    pointer-events: none;
}

.progress-btn:disabled.auto-progressing {
    color: var(--text-secondary);
    border-color: var(--green);
    pointer-events: none;
}

.progress-btn:hover {
    background: transparent;
    transform: none;
}

.progress-btn .btn-text {
    position: relative;
    z-index: 2;
    display: block;
    pointer-events: none;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--green-light), var(--green));
    transition: width linear;
    z-index: 1;
}

.progress-btn.auto-progressing .progress-fill {
    animation: fillProgress 10s linear forwards;
}

@keyframes fillProgress {
    from { width: 0%; }
    to { width: 100%; }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shuffleIn {
    0% {
        opacity: 0;
        transform: translateY(30px) rotate(-10deg) scale(0.5);
    }
    60% {
        opacity: 1;
        transform: translateY(-5px) rotate(3deg) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
}

/* ========================================
   Turn Transition Silhouettes
   ======================================== */
.turn-silhouette {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1500;
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
    border-radius: var(--radius-md);
}

.turn-silhouette.active {
    opacity: 1;
}

.turn-silhouette-content {
    text-align: center;
    color: #ffffff;
    padding: 2rem;
    max-width: 300px;
}

.turn-silhouette-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--green-light);
}

.turn-silhouette-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.4;
}

.turn-silhouette-word {
    font-family: var(--font-display);
    font-weight: 700;
    color: #f7da21;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* Hide keyboard and input during spectating */
.keyboard.hidden {
    opacity: 0.3;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-smooth);
}

.input-section.hidden {
    opacity: 0.3;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-smooth);
}

/* ========================================
   Countdown Overlay
   ======================================== */
.countdown-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FFFDE7 0%, #FFFFFF 50%, #FFF9C4 100%);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.countdown-overlay.active {
    display: flex;
}

.countdown-content {
    text-align: center;
    color: var(--text-primary);
}

.countdown-number {
    font-family: var(--font-display);
    font-size: 15rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 0 40px rgba(0, 0, 0, 0.1), 0 0 80px rgba(247, 218, 33, 0.3);
    animation: countdownPulse 1s var(--ease-out-expo);
}

.countdown-number.go {
    font-size: 8rem;
    color: var(--green-light);
    text-shadow: 0 0 30px var(--green-glow), 0 0 60px var(--green-glow);
}

.countdown-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.countdown-mode {
    font-family: var(--font-body);
    font-size: 1.5rem;
    opacity: 0.7;
    font-weight: 500;
}

@keyframes countdownPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.countdown-number.final {
    animation: countdownFinal 0.8s var(--ease-out-expo);
}

@keyframes countdownFinal {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1.1); }
}

/* ========================================
   Game Mode Indicator / Badge
   ======================================== */
.game-mode-indicator {
    text-align: center;
    margin: 1rem 0;
}

.mode-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
}

.mode-badge.competitive {
    background: rgba(255, 100, 100, 0.15);
    border: 1px solid rgba(255, 100, 100, 0.35);
}

.mode-badge.cooperative {
    background: rgba(247, 218, 33, 0.15);
    border: 1px solid rgba(247, 218, 33, 0.45);
}

/* ========================================
   Wordpack Cards
   ======================================== */
.wordpack-section {
    margin: 1.25rem 0 0 0;
}

.wordpack-section h3 {
    font-family: var(--font-display);
    margin-bottom: 12px;
    color: var(--text-primary);
}

.wordpack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.wordpack-card {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.wordpack-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--yellow));
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
}

.wordpack-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.wordpack-card:hover::before {
    opacity: 1;
}

.wordpack-card.selected {
    border-color: var(--green);
    box-shadow: var(--shadow-glow-green);
}

.wordpack-card.selected::before {
    opacity: 1;
}

.wordpack-card.locked {
    opacity: 0.65;
}

.wordpack-card.locked::before {
    background: linear-gradient(90deg, var(--yellow), var(--yellow-light));
}

.wordpack-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.wordpack-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.wordpack-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.wordpack-price {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--yellow);
}

.wordpack-price.owned {
    color: var(--green);
}

.wordpack-lock {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ========================================
   Animations
   ======================================== */

/* Cell flip animation for guess feedback reveal */
@keyframes flipIn {
    0% { transform: rotateX(0deg); }
    50% { transform: rotateX(90deg); }
    100% { transform: rotateX(0deg); }
}

.cell.flip {
    animation: flipIn 500ms ease-in-out;
    animation-fill-mode: forwards;
    will-change: transform;
}

/* Staggered flip delays for each cell in a row */
.cell.flip-delay-0 { animation-delay: 0ms; }
.cell.flip-delay-1 { animation-delay: 100ms; }
.cell.flip-delay-2 { animation-delay: 200ms; }
.cell.flip-delay-3 { animation-delay: 300ms; }
.cell.flip-delay-4 { animation-delay: 400ms; }

/* Row shake animation for invalid words */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.row-shake {
    animation: shake 600ms ease-in-out;
}

/* Bounce animation for winning row */
@keyframes winBounce {
    0%, 20% { transform: translateY(0); }
    40% { transform: translateY(-30px); }
    50% { transform: translateY(5px); }
    60% { transform: translateY(-15px); }
    80% { transform: translateY(2px); }
    100% { transform: translateY(0); }
}

.cell.bounce {
    animation: winBounce 1000ms var(--ease-out-expo);
    will-change: transform;
}

.cell.bounce-delay-0 { animation-delay: 0ms; }
.cell.bounce-delay-1 { animation-delay: 100ms; }
.cell.bounce-delay-2 { animation-delay: 200ms; }
.cell.bounce-delay-3 { animation-delay: 300ms; }
.cell.bounce-delay-4 { animation-delay: 400ms; }

/* Pop animation for letter input */
@keyframes pop {
    0% { transform: scale(0.8); }
    40% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.cell.pop {
    animation: pop 100ms ease-in-out;
    will-change: transform;
}

/* ========================================
   Mobile — Small Screens
   ======================================== */

/* Prevent iOS zoom on input focus */
@media screen and (max-width: 428px) {
    input[type="text"] {
        font-size: 16px; /* Prevents iOS zoom */
    }

    .container {
        padding: 10px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .key {
        min-height: 50px;
    }
}

@media screen and (max-width: 350px) {
    h1 {
        font-size: 1.4rem;
    }

    .cell {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
    }
}

/* ========================================
   Desktop Refinements (>480px)
   ======================================== */
@media (min-width: 481px) {
    .game-header-bar {
        height: calc(50px + env(safe-area-inset-top, 0px));
        min-height: calc(50px + env(safe-area-inset-top, 0px));
        padding-top: env(safe-area-inset-top, 0px);
    }

    .game-board {
        max-width: 350px;
        height: 420px;
    }

    .keyboard {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .game-main {
        justify-content: flex-start;
        padding-top: 24px;
        gap: 8px;
    }

    .game-board-wrapper {
        flex: 0 0 auto;
        padding: 0 8px;
    }

    .input-section {
        margin: 0;
    }
}

/* ========================================
   @supports Fallback for no backdrop-filter
   ======================================== */
@supports not (backdrop-filter: blur(1px)) {
    .main-menu-content,
    .game-room-content,
    .lobby-content {
        background: var(--bg-surface);
    }

    .chat-modal,
    .settings-menu,
    .word-selection-modal {
        background: var(--bg-surface);
    }

    .end-card {
        background: var(--bg-surface);
    }

    .inactivity-warning-modal,
    .disconnect-modal {
        background: var(--bg-surface);
    }

    .chat-mini {
        background: var(--bg-surface);
    }

    .mode-badge {
        background: var(--bg-elevated);
    }
}

/* ========================================
   Mobile Menu & Room Compact (must come after base styles)
   ======================================== */
@media (max-width: 480px) {
    /* Main menu compact */
    #main-menu-screen header {
        margin-bottom: 12px;
    }

    #main-menu-screen h1 {
        font-size: 1.6rem;
    }

    #main-menu-screen .subtitle {
        font-size: 1rem;
        margin-top: 4px;
    }

    .main-menu-content {
        padding: 16px;
    }

    .game-mode-buttons {
        flex-wrap: nowrap;
        gap: 0.5rem;
    }

    .mode-btn {
        padding: 0.75rem 0.5rem;
        min-width: 0;
    }

    .mode-icon {
        font-size: 1.5rem;
    }

    .mode-name {
        font-size: 1rem;
    }

    .mode-desc {
        display: none;
    }

    .wordpack-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 10px;
        padding-bottom: 8px;
    }

    .wordpack-card {
        scroll-snap-align: start;
        min-width: 130px;
        flex-shrink: 0;
    }

    .game-mode-selection {
        margin-bottom: 0;
    }

    .game-mode-selection h3 {
        font-size: 1.1rem;
        margin-bottom: 0.25rem;
    }

    .divider-section {
        margin: 0.75rem 0;
    }

    .wordpack-section {
        margin: 0.75rem 0 0 0;
    }

    .divider {
        margin: 0;
    }

    .mode-selection-subtitle {
        margin-bottom: 0.5rem;
        font-size: 0.8rem;
    }

    .join-game-section h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .auth-bottom-section {
        margin-top: 1rem;
        padding-top: 0.75rem;
    }

    .auth-bottom-label {
        font-size: 0.75rem;
    }

    .google-sign-in-btn {
        font-size: 0.8rem;
        padding: 5px 12px;
    }

    #main-menu-screen {
        max-height: 100dvh;
        overflow-y: auto;
    }

    /* Game room compact */
    #game-room-screen header {
        margin-bottom: 12px;
    }

    #game-room-screen h1 {
        font-size: 1.5rem;
    }

    #game-room-screen .subtitle {
        font-size: 0.9rem;
        margin-top: 4px;
    }

    .game-room-content {
        padding: 16px;
    }

    .game-room-content > div {
        margin-bottom: 1rem;
    }

    .share-section h3, .game-code-section h3, .players-section h3 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .player-card {
        padding: 0.75rem;
    }

    #game-room-screen {
        max-height: 100dvh;
        overflow-y: auto;
    }
}