* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252d3d;
    --bg-card: #1e2536;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-glow: rgba(239, 68, 68, 0.3);
    --cell-hidden: #3b4261;
    --cell-hidden-hover: #4a5278;
    --cell-revealed: #1e293b;
    --cell-flag: #f59e0b;
    --cell-mine: #ef4444;
    --border-color: #2d3548;
    --input-bg: #141922;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Home Button */
.home-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.home-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: scale(1.05);
}

.home-btn .home-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    transition: opacity var(--transition-fast);
}

.home-btn .home-logo-hover {
    position: absolute;
    width: 32px;
    height: 32px;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.home-btn:hover .home-logo {
    opacity: 0;
}

.home-btn:hover .home-logo-hover {
    opacity: 1;
}

/* Screens with transitions */
.screen {
    display: none;
    min-height: 100vh;
    padding: 20px;
    opacity: 0;
    animation: fadeIn var(--transition-normal) forwards;
}

/* Menu screen with background */
#menu-screen {
    background: url('assets/BackgroundImageInclined.jpg') center center / 100% auto no-repeat fixed;
    background-size: cover;
    position: relative;
}

@media (max-width: 768px) {
    #menu-screen {
        background-size: auto 100%;
    }
}

#menu-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 20, 25, 0.75);
    backdrop-filter: blur(2px);
}

/* Menu wrapper for logo outside container */
.menu-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.screen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Container */
.container {
    max-width: 520px;
    width: 100%;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: slideUp var(--transition-slow) ease-out;
    position: relative;
    z-index: 1;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 24px;
    width: 120%;
    margin-left: -10%;
}

.logo-wide {
    width: 100%;
    max-width: 620px;
    height: auto;
    animation: fadeIn var(--transition-slow) ease-out;
}

@media (max-width: 480px) {
    .logo-wide {
        width: 80%;
        max-width: 280px;
    }
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1rem;
}

/* Forms */
.menu-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

input[type="text"]:hover,
input[type="number"]:hover,
select:hover {
    border-color: var(--text-muted);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="text"]::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 44px;
}

/* Arrow Selector */
.arrow-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
    gap: 8px;
    transition: border-color var(--transition-fast);
}

.arrow-selector:hover {
    border-color: var(--text-muted);
}

.arrow-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 300;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.arrow-btn:hover {
    background: var(--accent);
    color: white;
}

.arrow-btn:active {
    transform: scale(0.9);
}

.arrow-value {
    flex: 1;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    min-width: 80px;
}

/* Buttons */
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 20px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--cell-hidden-hover);
    border-color: var(--text-muted);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
    box-shadow: 0 4px 20px var(--danger-glow);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.join-section {
    display: flex;
    gap: 10px;
}

.join-section input {
    flex: 1;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.join-section .btn {
    flex-shrink: 0;
}

/* Settings Panel */
.settings-panel {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.settings-panel h3 {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-item.full-width {
    grid-column: 1 / -1;
}

.setting-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Toggle Switch */
.toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--input-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.toggle-wrapper.with-caption {
    align-items: flex-start;
}

.toggle-label-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.setting-caption {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.toggle-wrapper:hover {
    border-color: var(--text-muted);
}

.toggle-wrapper .setting-label {
    margin: 0;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: 26px;
    transition: all var(--transition-normal);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: white;
}

/* Lobby Screen */
.lobby-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.lobby-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lobby-code {
    color: var(--accent);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 3px;
    transition: color var(--transition-fast);
}

.lobby-code:hover {
    color: var(--accent-hover);
}

.lobby-settings-card {
    background: var(--bg-card);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.lobby-settings-card:hover {
    border-color: var(--text-muted);
}

.lobby-settings-card h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.settings-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.setting-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.setting-badge:hover {
    background: var(--cell-hidden-hover);
}

.setting-badge .value {
    color: var(--text-primary);
    font-weight: 600;
}

/* Players List */
.players-section {
    margin-bottom: 24px;
}

.players-section h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.players-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.players-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent);
    transition: all var(--transition-fast);
    animation: slideInRight var(--transition-normal) ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.players-list li:hover {
    border-color: var(--text-muted);
    background: var(--bg-tertiary);
}

.players-list li.host {
    border-left-color: var(--warning);
}

.player-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.player-wins {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1.5px solid #f59e0b;
    color: #f59e0b;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.crown-icon {
    width: 14px;
    height: 14px;
    filter: brightness(0) saturate(100%) invert(67%) sepia(74%) saturate(1000%) hue-rotate(360deg) brightness(103%) contrast(96%);
}

.player-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.player-you {
    color: var(--text-muted);
    font-weight: 400;
}

.player-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.host-badge {
    background: var(--warning);
    color: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Kick Button */
.btn-kick {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--danger);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    opacity: 0.8;
}

.btn-kick:hover {
    opacity: 1;
    background: var(--danger-hover);
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--danger-glow);
}

.btn-kick:active {
    transform: scale(0.95);
}

.lobby-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Game Screen */
#game-screen.active {
    display: block;
    padding: 16px;
}

.game-container {
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeIn var(--transition-normal) ease-out;
}

.game-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.host-controls {
    display: flex;
    gap: 8px;
}

.host-controls .btn-small {
    padding: 8px 14px;
    font-size: 0.8rem;
}

.game-info {
    display: flex;
    gap: 24px;
    background: var(--bg-secondary);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-width: 320px;
}

.game-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    min-width: fit-content;
}

.game-stat-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

#timer {
    min-width: 50px;
    text-align: left;
}

#cells-revealed, #total-cells {
    min-width: 28px;
    text-align: right;
    display: inline-block;
}

.game-content {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

.main-grid-container {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.main-grid-container h3 {
    text-align: center;
    margin-bottom: 16px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.opponents-container {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 800px;
}

.opponents-container h3 {
    text-align: center;
    margin-bottom: 16px;
    font-size: 1rem;
    color: var(--text-secondary);
}

#opponents-grids {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-height: 70vh;
    overflow-y: auto;
}

.opponent-card {
    background: var(--bg-card);
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.opponent-card:hover {
    border-color: var(--text-muted);
}

.opponent-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.opponent-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.opponent-status {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.opponent-status.playing {
    color: var(--success);
    background: rgba(16, 185, 129, 0.15);
}

.opponent-status.finished {
    background: var(--success);
    color: white;
    animation: pulse 0.5s ease-out;
}

.opponent-status.failed {
    background: var(--danger);
    color: white;
    animation: shake 0.5s ease-out;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.opponent-progress {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* Minesweeper Grid */
.minesweeper-grid {
    display: grid;
    gap: 2px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.minesweeper-grid.main-grid {
    --cell-size: 32px;
}

.minesweeper-grid.mini-grid {
    --cell-size: 10px;
    width: fit-content;
}

.cell {
    width: var(--cell-size);
    height: var(--cell-size);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cell-hidden);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 700;
    font-size: calc(var(--cell-size) * 0.5);
    user-select: none;
    transition: all var(--transition-fast);
}

.minesweeper-grid.main-grid .cell:not(.revealed):not(.flagged):hover {
    background: var(--cell-hidden-hover);
    transform: scale(1.05);
}

.minesweeper-grid.main-grid .cell:not(.revealed):not(.flagged):active {
    transform: scale(0.95);
}

.cell.revealed {
    background: var(--cell-revealed);
    cursor: default;
    animation: revealCell var(--transition-fast) ease-out;
}

@keyframes revealCell {
    from { transform: scale(0.8); opacity: 0.5; }
    to { transform: scale(1); opacity: 1; }
}

.cell.flagged {
    background: var(--cell-flag);
    animation: flagCell var(--transition-fast) ease-out;
}

@keyframes flagCell {
    from { transform: scale(1.2); }
    to { transform: scale(1); }
}

.cell.mine {
    background: var(--cell-mine);
    animation: mineReveal 0.3s ease-out;
}

@keyframes mineReveal {
    0% { transform: scale(0); background: var(--danger); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.cell.mine::after {
    content: '💣';
    font-size: calc(var(--cell-size) * 0.55);
}

.cell.flagged::after {
    content: '';
    width: 50%;
    height: 50%;
    background: url('assets/flagIcon.svg') center center / contain no-repeat;
}

/* Number colors */
.cell.n1 { color: #60a5fa; }
.cell.n2 { color: #4ade80; }
.cell.n3 { color: #f87171; }
.cell.n4 { color: #a78bfa; }
.cell.n5 { color: #fbbf24; }
.cell.n6 { color: #22d3ee; }
.cell.n7 { color: #e879f9; }
.cell.n8 { color: #94a3b8; }

/* Race over animation for race mode */
.minesweeper-grid.race-over {
    animation: gridShake 0.6s ease-out;
}

@keyframes gridShake {
    0%, 100% { transform: translateX(0) translateY(0); }
    10% { transform: translateX(-8px) translateY(-4px); }
    20% { transform: translateX(8px) translateY(4px); }
    30% { transform: translateX(-6px) translateY(-3px); }
    40% { transform: translateX(6px) translateY(3px); }
    50% { transform: translateX(-4px) translateY(-2px); }
    60% { transform: translateX(4px) translateY(2px); }
    70% { transform: translateX(-2px) translateY(-1px); }
    80% { transform: translateX(2px) translateY(1px); }
    90% { transform: translateX(-1px) translateY(0); }
}

.minesweeper-grid.race-over .cell {
    animation: cellFall 0.8s ease-in forwards;
    animation-delay: var(--fall-delay, 0s);
}

@keyframes cellFall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
    30% {
        opacity: 1;
        transform: translateY(-10px) rotate(var(--fall-rotation, 5deg)) scale(1.05);
    }
    100% {
        opacity: 0;
        transform: translateY(150px) rotate(var(--fall-rotation, 15deg)) scale(0.3);
    }
}

/* Race over overlay flash */
.race-over-flash {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.4), transparent 70%);
    pointer-events: none;
    z-index: 999;
    animation: raceOverFlash 0.8s ease-out forwards;
}

@keyframes raceOverFlash {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* Race over message overlay */
.race-over-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    border-radius: var(--radius-xl);
    padding: 24px 48px;
    text-align: center;
    z-index: 1000;
    animation: raceOverMessageIn 0.5s ease-out forwards;
    box-shadow: 0 0 60px var(--accent-glow);
}

.race-over-message h2 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.race-over-message p {
    color: var(--text-secondary);
    font-size: 1rem;
}

@keyframes raceOverMessageIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Mini grid */
.mini-grid .cell {
    cursor: default;
    border-radius: 2px;
}

.mini-grid .cell:hover {
    transform: none !important;
}

.mini-grid .cell::after {
    display: none;
}

.mini-grid .cell.flagged {
    background: var(--cell-flag);
}

.mini-grid .cell.mine {
    background: var(--cell-mine);
}

.mini-grid .cell.revealed {
    animation: none;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal.active {
    display: flex;
    animation: fadeIn var(--transition-normal) forwards;
}

.modal-content {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 90%;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-slow) ease-out;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-content h2 {
    margin-bottom: 16px;
    font-size: 1.75rem;
}

#game-over-message {
    margin-bottom: 24px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

#rankings-list {
    margin-bottom: 24px;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    animation: slideInRight var(--transition-normal) ease-out;
    animation-fill-mode: backwards;
}

.ranking-item:nth-child(1) { animation-delay: 0.1s; }
.ranking-item:nth-child(2) { animation-delay: 0.2s; }
.ranking-item:nth-child(3) { animation-delay: 0.3s; }
.ranking-item:nth-child(4) { animation-delay: 0.4s; }

.ranking-item:hover {
    border-color: var(--text-muted);
}

.ranking-item.winner {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.ranking-item.you {
    border-color: var(--accent);
}

.ranking-rank {
    font-size: 1.3rem;
    font-weight: 700;
    width: 36px;
}

.ranking-rank.gold { color: #fbbf24; }
.ranking-rank.silver { color: #9ca3af; }
.ranking-rank.bronze { color: #cd7f32; }

.ranking-name {
    flex: 1;
    text-align: left;
    margin-left: 12px;
    font-weight: 500;
}

.ranking-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ranking-time {
    font-weight: 600;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.waiting-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-style: italic;
    margin: 0;
    padding: 14px 24px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--danger);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 1001;
    box-shadow: var(--shadow-md);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Mobile Mode Toggle */
.mobile-mode-toggle {
    display: none;
    width: 100%;
    gap: 12px;
    margin-bottom: 16px;
}

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-btn:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.mode-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

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

.mode-flag-icon {
    width: 20px;
    height: 20px;
}

.mode-btn.active .mode-flag-icon {
    filter: brightness(0) invert(1);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 24px;
        margin: 12px;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .game-content {
        flex-direction: column;
        align-items: center;
    }
    
    .opponents-container {
        width: 100%;
        max-width: none;
    }
    
    #opponents-grids {
        grid-template-columns: 1fr;
    }
    
    /* Game header - full width with margin for home button */
    .game-header {
        width: 100%;
        padding-left: 60px;
        margin-bottom: 12px;
    }
    
    .game-info {
        width: 100%;
        min-width: unset;
        justify-content: center;
        gap: 16px;
        padding: 10px 16px;
    }
    
    .game-stat {
        font-size: 1rem;
    }
    
    .game-stat-icon {
        width: 18px;
        height: 18px;
    }
    
    #timer {
        min-width: 45px;
    }
    
    #cells-revealed, #total-cells {
        min-width: 24px;
    }
    
    .lobby-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    /* Show mobile mode toggle */
    .mobile-mode-toggle {
        display: flex;
    }
    
    /* Dynamic grid sizing to fit screen */
    .main-grid-container {
        width: 100%;
        max-width: 100vw;
        padding: 8px;
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow: visible;
    }
    
    /* Prevent horizontal scrolling on game screen */
    #game-screen {
        overflow-x: hidden;
        max-width: 100vw;
        padding: 0 4px;
    }
    
    .game-container {
        overflow: visible;
        max-width: 100%;
        padding: 0;
    }
    
    .game-content {
        padding: 0;
        gap: 16px;
    }
    
    /* Grid container for rotated grid */
    .main-grid-container h3 {
        position: relative;
        z-index: 1;
    }
    
    /* Wrapper for rotated grid to maintain proper spacing */
    .minesweeper-grid.main-grid {
        /* Calculate: (screen width - padding - gaps) / columns */
        /* Gaps: 2px * (cols - 1), Padding: 8px grid padding + 8px container + 8px screen */
        --cell-size: min(28px, calc((100vw - 32px - (2px * var(--grid-cols, 14))) / var(--grid-cols, 14)));
    }
    
    .minesweeper-grid.main-grid.rotated {
        /* When rotated, rows become the horizontal axis */
        --cell-size: min(28px, calc((100vw - 32px - (2px * var(--grid-rows, 14))) / var(--grid-rows, 14)));
        transform: rotate(-90deg);
        transform-origin: center center;
    }
    
    .minesweeper-grid.main-grid.rotated .cell {
        transform: rotate(90deg);
    }
    
    .logo-container {
        width: 100%;
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .minesweeper-grid.main-grid {
        --cell-size: min(24px, calc((100vw - 24px - (2px * var(--grid-cols, 14))) / var(--grid-cols, 14)));
    }
    
    .minesweeper-grid.main-grid.rotated {
        --cell-size: min(24px, calc((100vw - 24px - (2px * var(--grid-rows, 14))) / var(--grid-rows, 14)));
    }
    
    .minesweeper-grid.mini-grid {
        --cell-size: 8px;
    }
    
    .home-btn {
        width: 40px;
        height: 40px;
        top: 12px;
        left: 12px;
    }
    
    .home-btn .home-logo,
    .home-btn .home-logo-hover {
        width: 26px;
        height: 26px;
    }
    
    /* Adjust game header padding for smaller home button */
    .game-header {
        padding-left: 52px;
    }
    
    .game-stat {
        gap: 6px;
    }
    
    .game-info {
        gap: 12px;
        padding: 8px 12px;
    }
    
    .logo-wide {
        max-width: 300px;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cell-hidden-hover);
}