/* ==========================================================================
   PRASUN GAMES — MINESWEEPER
   Game-page styling matching the Prasun Games visual standard.
   ========================================================================== */

:root {
    --bg: #07111f;
    --bg-gradient-top: #1b3150;
    --bg-gradient-bottom: #020617;

    --surface: rgba(17, 29, 46, 0.75);
    --surface-hover: rgba(24, 40, 62, 0.85);
    --surface-input: #0f1c2d;

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.20);

    --text: #f8fafc;
    --muted: #94a3b8;
    --muted-dark: #64748b;

    --accent: #22c55e;
    --accent-hover: #16a34a;
    --accent-glow: rgba(34, 197, 94, 0.35);

    --focus-ring: #38bdf8;

    --danger: #ef4444;
    --warning: #facc15;
    --cyan: #38bdf8;

    --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    /* Minesweeper Board Dimensions */
    --cell-size: 34px;
    --cell-gap: 3px;
    --board-padding: 12px;
}


/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background: var(--bg);
    color-scheme: dark;
}

body {
    min-height: 100vh;
    font-family: var(--font-family);
    color: var(--text);
    background: radial-gradient(
        circle at top,
        var(--bg-gradient-top) 0%,
        var(--bg) 50%,
        var(--bg-gradient-bottom) 100%
    ) fixed;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* ==========================================================================
   INTERACTIVE ELEMENTS & FOCUS STATES
   ========================================================================== */

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #4ade80;
}

button,
input,
select {
    font-family: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}


/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
    width: 100%;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 17, 31, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    width: min(1200px, 92%);
    height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
    transition: opacity var(--transition-fast);
}

.brand:hover {
    color: var(--text);
    opacity: 0.9;
}

.brand-icon {
    font-size: 1.35rem;
    line-height: 1;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-nav a {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 4px 0;
}

.header-nav a:hover {
    color: var(--text);
}


/* ==========================================================================
   MAIN LAYOUT & BREADCRUMBS
   ========================================================================== */

main {
    flex: 1;
    width: min(1200px, 92%);
    margin: 0 auto;
    padding: 40px 0 60px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.breadcrumb-nav {
    font-size: 0.85rem;
    color: var(--muted-dark);
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--muted-dark);
    font-size: 1rem;
}

.breadcrumb-item a {
    color: var(--muted);
}

.breadcrumb-item a:hover {
    color: var(--text);
}

.breadcrumb-item.active {
    color: var(--accent);
    font-weight: 600;
}


/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero-subtitle {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 650px;
}


/* ==========================================================================
   GAME PANEL & CONTROLS
   ========================================================================== */

.game-panel {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.game-controls {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: rgba(2, 6, 23, 0.55);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
}

.controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-group label {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Dropdown & Form Inputs */
.select-input {
    appearance: none;
    -webkit-appearance: none;
    background: var(--surface-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 34px 9px 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    background-image:
        linear-gradient(45deg, transparent 50%, #94a3b8 50%),
        linear-gradient(135deg, #94a3b8 50%, transparent 50%);
    background-position:
        calc(100% - 14px) 50%,
        calc(100% - 9px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    transition: border-color var(--transition-fast);
}

.select-input:hover {
    border-color: var(--accent);
}

/* Custom Difficulty Controls Container */
.custom-controls {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
}

.custom-controls[hidden] {
    display: none !important;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.input-group label {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.number-input,
input[type="number"] {
    background: var(--surface-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    font-size: 0.88rem;
    font-weight: 600;
    width: 68px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.number-input:focus,
input[type="number"]:focus {
    border-color: var(--focus-ring);
    outline: none;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}


/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #ffffff;
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    color: var(--text);
}

.btn-toggle {
    background: rgba(255, 255, 255, 0.05);
    color: var(--muted);
    border-color: var(--border);
}

.btn-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
}

.btn-toggle.active,
.btn-toggle[aria-pressed="true"] {
    background: rgba(250, 204, 21, 0.12);
    color: var(--warning);
    border-color: rgba(250, 204, 21, 0.35);
}


/* ==========================================================================
   HUD (HEADS-UP DISPLAY)
   ========================================================================== */

.game-hud {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 12px;
    background: rgba(2, 6, 23, 0.55);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hud-label {
    color: var(--muted-dark);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hud-value {
    color: var(--cyan);
    font-size: 1.35rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

#gameStatus {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
}


/* ==========================================================================
   MINESWEEPER BOARD & CELL STYLING
   ========================================================================== */

.board-viewport {
    width: 100%;
    overflow-x: auto;
    display: flex;
    justify-content: center;
    padding: 4px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.board-viewport::-webkit-scrollbar {
    height: 6px;
}

.board-viewport::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
}

.minesweeper-board {
    display: grid;
    gap: var(--cell-gap);
    width: max-content;
    padding: var(--board-padding);
    background: #020817;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    margin: 0 auto;
}

.cell {
    width: var(--cell-size);
    height: var(--cell-size);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.09),
        rgba(255, 255, 255, 0.025)
    );
    color: var(--text);
    font-size: 1rem;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.cell:hover:not(.cell-revealed) {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.16),
        rgba(255, 255, 255, 0.05)
    );
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-1px);
}

.cell:active:not(.cell-revealed) {
    transform: translateY(0);
}

.cell:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: -2px;
    z-index: 2;
}

/* Revealed Cell States */
.cell-revealed {
    background: rgba(2, 8, 23, 0.8);
    border-color: rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.45);
    cursor: default;
    transform: none !important;
}

/* Special States: Flags & Mines */
.cell-flagged {
    color: var(--warning);
    text-shadow: 0 0 8px rgba(250, 204, 21, 0.35);
}

.cell-mine {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.25);
}

.cell-exploded {
    background: var(--danger) !important;
    border-color: #f87171 !important;
    color: #ffffff;
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.4);
    animation: pulseExplosion 0.4s ease;
}

.cell-wrong-flag {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
}

/* Number Colors */
.cell-number-1 { color: #60a5fa; }
.cell-number-2 { color: #34d399; }
.cell-number-3 { color: #f87171; }
.cell-number-4 { color: #a78bfa; }
.cell-number-5 { color: #fb7185; }
.cell-number-6 { color: #2dd4bf; }
.cell-number-7 { color: #e2e8f0; }
.cell-number-8 { color: #94a3b8; }


/* ==========================================================================
   MOBILE CONTROLS & MODAL DIALOG
   ========================================================================== */

.mobile-controls {
    display: none;
    width: 100%;
    justify-content: center;
}

.game-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.game-modal[hidden] {
    display: none !important;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.78);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.modal-content {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    padding: 32px;
    background: #0f1d30;
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    text-align: center;
    animation: modalPopIn 0.25s ease;
}

.modal-content h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.modal-details {
    display: flex;
    justify-content: space-around;
    gap: 16px;
    padding: 16px;
    margin-bottom: 20px;
    background: rgba(2, 6, 23, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.modal-details p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--muted-dark);
}

.modal-details strong {
    display: block;
    margin-top: 3px;
    color: var(--cyan);
    font-size: 1.25rem;
    font-weight: 800;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-actions .btn {
    flex: 1;
}


/* ==========================================================================
   INFORMATION & SEO CONTENT
   ========================================================================== */

.info-section {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.info-section h2 {
    font-size: 1.4rem;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.info-content {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.info-content p {
    margin-bottom: 16px;
}

.info-content ul {
    list-style: none;
    padding: 0;
}

.info-content li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
}

.info-content li::before {
    content: "•";
    position: absolute;
    left: 5px;
    color: var(--accent);
    font-weight: 800;
}


/* ==========================================================================
   DIFFICULTY TABLE
   ========================================================================== */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin-top: 18px;
}

.difficulty-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.difficulty-table th,
.difficulty-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.difficulty-table th {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    font-weight: 700;
}

.difficulty-table td {
    color: var(--muted);
}


/* ==========================================================================
   RELATED GAMES & ADS
   ========================================================================== */

.related-games {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.related-games h2 {
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.game-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition:
        transform var(--transition-base),
        border-color var(--transition-base),
        background var(--transition-base);
}

.game-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.game-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.game-card p {
    color: var(--muted);
    font-size: 0.88rem;
    margin-bottom: 14px;
}

.card-link {
    color: var(--accent);
    font-size: 0.88rem;
    font-weight: 700;
}

.ad-container {
    width: 100%;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px 0;
    background: rgba(255, 255, 255, 0.015);
    border: 1px dashed rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    width: 100%;
    border-top: 1px solid var(--border);
    background: rgba(7, 17, 31, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 36px 0;
    margin-top: auto;
}

.footer-container {
    width: min(1200px, 92%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

/* Spacing and layout for your footer navigation links */
.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px; /* Adjust spacing between links here */
}

.footer-links a {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text);
}

.copyright {
    color: var(--muted-dark);
    font-size: 0.85rem;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes pulseExplosion {
    0% { transform: scale(0.85); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

@keyframes modalPopIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}


/* ==========================================================================
   MEDIA QUERIES (TABLET & MOBILE)
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --cell-size: 30px;
        --cell-gap: 3px;
        --board-padding: 10px;
    }

    .header-container {
        height: 64px;
    }

    .header-nav {
        gap: 16px;
    }

    .header-nav a {
        font-size: 0.85rem;
    }

    main {
        width: min(92%, 1200px);
        padding: 28px 0 48px;
        gap: 24px;
    }

    .hero {
        padding: 20px 0;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 0.98rem;
    }

    .game-panel {
        width: 100%;
        padding: 18px 12px;
        border-radius: var(--radius-md);
    }

    .controls-row {
        flex-direction: column;
        align-items: stretch;
    }

    .custom-controls {
        justify-content: space-between;
    }

    .control-group {
        justify-content: space-between;
    }

    .action-buttons {
        width: 100%;
    }

    .action-buttons .btn {
        flex: 1;
    }

    .game-hud {
        gap: 8px;
        padding: 10px;
    }

    .hud-value {
        font-size: 1.2rem;
    }

    .mobile-controls {
        display: flex;
    }

    .info-section {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    :root {
        --cell-size: 27px;
        --cell-gap: 2px;
        --board-padding: 8px;
    }

    .header-container {
        width: 92%;
    }

    .brand {
        font-size: 1.05rem;
    }

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

    .header-nav {
        gap: 12px;
    }

    .header-nav a {
        font-size: 0.8rem;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .hero-subtitle {
        font-size: 0.92rem;
    }

    .game-panel {
        padding: 14px 8px;
    }

    .game-hud {
        grid-template-columns: repeat(3, 1fr);
        padding: 8px 5px;
    }

    .hud-label {
        font-size: 0.6rem;
    }

    .hud-value {
        font-size: 1.05rem;
    }

    .custom-controls {
        gap: 8px;
    }

    .number-input,
    input[type="number"] {
        width: 58px;
        padding: 5px 6px;
    }

    .modal-content {
        padding: 24px 18px;
    }

    .modal-details {
        flex-direction: column;
        gap: 8px;
    }

    .info-section {
        padding: 22px 16px;
    }
}


/* ==========================================================================
   ACCESSIBILITY: REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}