/* ============================================================
   OVERCOMPUTE — Site-Aligned Theme (No Radius, Classic Colors)
   ============================================================ */

/* ── Variables (Aligned with blogstyle.css) ────────────────── */
:root {
    --bg-deep: #050505;
    --bg-base: #0a0a0a;
    --bg-surface: #151515;
    --bg-card: #1a1a1a;
    --bg-elevated: #252525;

    --accent: #6699ff;
    /* link-color from site */
    --accent-dim: #4466aa;
    --accent-glow: rgba(102, 153, 255, 0.1);
    --accent-green: #51cf66;
    /* Subdued green */
    --accent-red: #ff6b6b;
    /* Subdued red */
    --accent-yellow: #ffd43b;
    /* Subdued yellow */
    --accent-purple: #ae8cff;
    /* Subdued purple */

    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;

    --border: #333;
    --border-strong: #444;

    --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    --glass: rgba(10, 10, 10, 0.9);

    /* User requested no border radii */
    --radius: 0px;
    --radius-sm: 0px;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-base);
    color: var(--text-secondary);
    font-family: 'Times New Roman', serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Layout Shell ──────────────────────────────────────────── */
.game-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    gap: 1rem;
}

/* ── Header ────────────────────────────────────────────────── */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.game-title {
    font-family: 'Courier New', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.era-badge {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: lowercase;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius);
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.date-badge {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--accent-yellow);
    color: var(--accent-yellow);
    background: transparent;
}

.header-center {
    display: flex;
    align-items: center;
}

.speed-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.speed-label {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-right: 4px;
}

.speed-btn {
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.speed-btn:hover {
    border-color: var(--accent);
    color: var(--text-secondary);
}

.speed-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-elevated);
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-header {
    font-family: 'Times New Roman', serif;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-header:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ── Resource Bar ──────────────────────────────────────────── */
.resource-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0px;
    padding: 0;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
}

.resource-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.75rem 0;
    border-right: 1px solid var(--border);
}

.resource-item:last-child {
    border-right: none;
}

.resource-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: lowercase;
    color: var(--text-muted);
}

.resource-value {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
}

.resource-value.funding {
    color: var(--accent-yellow);
}

.resource-value.compute {
    color: var(--accent-green);
}

.resource-value.flops {
    color: var(--accent);
}

.resource-value.rp {
    color: var(--accent-purple);
}

.resource-value.rep {
    color: #ff9e40;
}

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    min-height: 0;
}

/* ── Tab Bar ───────────────────────────────────────────────── */
.tab-bar {
    display: flex;
    gap: 2px;
    margin-bottom: 0px;
}

.tab-btn {
    font-family: 'Times New Roman', serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius);
    background: var(--bg-surface);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: var(--bg-card);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-strong);
    border-top: 2px solid var(--accent);
}

/* ── Tab Panels ────────────────────────────────────────────── */
.tab-panel {
    display: none;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-y: auto;
    max-height: 65vh;
    box-shadow: var(--shadow);
}

.tab-panel.active {
    display: block;
}

.tab-section-title {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: lowercase;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

.empty-state {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0.5rem 0;
}

/* ── Shop / Inventory Grids ────────────────────────────────── */
.shop-grid,
.model-grid,
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

/* ── Cards ─────────────────────────────────────────────────── */
.shop-card,
.model-card,
.research-card,
.inventory-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.shop-card:hover,
.model-card:hover,
.research-card:hover {
    border-color: var(--accent);
    background: var(--bg-elevated);
}

.shop-card.locked,
.model-card.locked,
.research-card.locked {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(1);
}

.shop-card.unaffordable,
.model-card.unaffordable,
.research-card.unaffordable {
    opacity: 0.6;
}

.inventory-card {
    cursor: default;
    background: var(--bg-elevated);
}

.shop-name,
.model-name,
.research-name,
.inv-name {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.shop-desc,
.model-desc,
.research-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.shop-stats,
.model-stats {
    display: flex;
    justify-content: space-between;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.shop-price {
    color: var(--accent-yellow);
    font-weight: 600;
}

.model-rewards {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--accent-green);
    margin-top: 0.4rem;
}

.research-prereqs {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-style: italic;
}

.research-cost {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-top: 0.4rem;
}

.research-card.researched {
    border-color: var(--accent-green);
    background: rgba(81, 207, 102, 0.05);
}

.model-card.trained {
    border-color: var(--accent-green);
}

.inv-count {
    color: var(--accent);
    margin-left: 0.3rem;
}

.inv-stat {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.inv-effect {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--accent-green);
    margin-top: 0.2rem;
    margin-bottom: 0.3rem;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-small {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
    background: var(--bg-card);
    color: var(--text-secondary);
}

.btn-small:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--text-primary);
}

.btn-train {
    border-color: var(--accent-dim);
    color: var(--accent);
}

.btn-sell,
.btn-cancel {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-train:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ── Training Display ──────────────────────────────────────── */
.training-active {
    background: var(--bg-surface);
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.training-model-name {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.progress-bar-container {
    width: 100%;
    height: 20px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: var(--radius);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
}

.progress-text {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    color: #000;
}

.training-eta {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* ── Lab Stats ─────────────────────────────────────────────── */
.lab-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 0px;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.lab-stat {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.lab-stat-label {
    font-size: 0.75rem;
    text-transform: lowercase;
    color: var(--text-muted);
}

.lab-stat-value {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── Log Panel ─────────────────────────────────────────────── */
.log-panel {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    max-height: 75vh;
    box-shadow: var(--shadow);
}

.log-header {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: lowercase;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

#log-content {
    padding: 0.75rem;
    overflow-y: auto;
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.log-entry {
    padding: 0.2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.log-ts {
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.log-era {
    color: var(--accent-yellow);
    font-weight: 700;
}

.log-warn,
.log-error {
    color: var(--accent-red);
}

.log-training,
.log-hardware,
.log-research,
.log-staff,
.log-event {
    color: var(--accent);
}

/* ── Event Modal ───────────────────────────────────────────── */
.event-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.event-modal.visible {
    opacity: 1;
    pointer-events: all;
}

.event-modal-content {
    background: var(--bg-card);
    border: 4px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 500px;
    width: 95%;
    box-shadow: var(--shadow);
}

#event-title {
    font-family: 'Courier New', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
}

#event-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

#event-choices {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-event-choice {
    font-family: 'Times New Roman', serif;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.btn-event-choice:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--bg-elevated);
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

.footer a {
    color: var(--accent);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* ── Game Won Overlay ──────────────────────────────────────── */
.game-won-badge {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 2px solid var(--accent-green);
    padding: 0.5rem 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-green);
    z-index: 900;
}

#tab-settings {
    display: none;
    /* Hide on PC */
}

/* ── Mobile & Tablet Redesign (Premium App Style) ─────────────────── */
@media (max-width: 850px) {
    :root {
        --radius: 0px;
        --radius-sm: 0px;
        --font-modern: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

    body {
        font-family: var(--font-modern);
        background: #000;
        padding-bottom: 70px;
        /* Space for bottom nav */
    }

    .game-container {
        padding: 0;
        gap: 0;
        display: block;
        max-width: 100%;
    }

    /* ── Mobile Header ─────────────────────────────────────────── */
    .header {
        border: none;
        border-bottom: 1px solid var(--border);
        border-radius: 0;
        background: var(--glass);
        backdrop-filter: blur(10px);
        padding: 0.75rem 1rem;
        position: sticky;
        top: 0;
        z-index: 100;
        flex-direction: row;
        justify-content: space-between;
    }

    .header-left {
        gap: 0.5rem;
    }

    .game-title {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .era-badge,
    .date-badge {
        font-size: 0.65rem;
        padding: 0.1rem 0.4rem;
    }

    .header-center {
        display: none;
        /* Hide speed on mobile to save space, or move into a settings modal later */
    }

    .header-actions {
        gap: 0.25rem;
    }

    .btn-header {
        background: transparent;
        border: none;
        padding: 0.4rem;
        font-size: 1.1rem;
        /* Icon only feel */
        display: none;
        /* Hide PC buttons on mobile header */
    }

    #btn-lang {
        display: none;
    }

    /* ── Sticky Resource Dashboard ────────────────────────────── */
    .resource-bar {
        position: sticky;
        top: 52px;
        /* right below header */
        z-index: 99;
        grid-template-columns: repeat(3, 1fr);
        border: none;
        border-bottom: 1px solid var(--border);
        border-radius: 0;
        background: var(--bg-surface);
        gap: 1px;
    }

    .resource-item {
        padding: 0.6rem 0.25rem;
        border: none;
        background: var(--bg-card);
    }

    .resource-label {
        font-size: 0.6rem;
        font-family: var(--font-modern);
        font-weight: 600;
    }

    .resource-value {
        font-size: 0.85rem;
        font-weight: 700;
    }

    #tab-settings {
        display: flex;
        /* Show on Mobile */
    }

    /* ── Main Layout Stacking ──────────────────────────────────── */
    .main-content {
        display: flex;
        flex-direction: column;
        padding: 1rem;
        gap: 1.5rem;
    }

    /* ── Bottom Navigation Redesign ────────────────────────────── */
    .tabs-area {
        order: 1;
    }

    .tab-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 65px;
        background: var(--bg-deep);
        border-top: 1px solid var(--border);
        margin: 0;
        display: flex;
        justify-content: space-around;
        align-items: center;
        padding: 0 0.5rem;
        z-index: 1000;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    }

    .tab-btn {
        background: transparent;
        border: none;
        flex-direction: column;
        gap: 4px;
        padding: 0.5rem;
        font-size: 0.65rem;
        font-weight: 600;
        color: var(--text-muted);
        border-top: none;
        border-radius: 0;
        flex: 1;
        display: flex;
        align-items: center;
        height: 100%;
        transition: color 0.3s ease;
    }

    .tab-btn:hover {
        background: transparent;
    }

    .tab-btn.active {
        color: var(--accent);
        background: transparent;
        border: none;
    }

    /* Add "Dot" indicator for active tab */
    .tab-btn.active::after {
        content: '';
        width: 4px;
        height: 4px;
        background: var(--accent);
        border-radius: 50%;
        margin-top: 2px;
    }

    /* ── Tab Panels (Modern Cards) ─────────────────────────────── */
    .tab-panel {
        border: none;
        background: transparent;
        padding: 0;
        max-height: none;
        box-shadow: none;
    }

    .tab-section-title {
        font-family: var(--font-modern);
        font-size: 1.1rem;
        text-transform: none;
        letter-spacing: 0;
        padding-bottom: 0.75rem;
        margin-top: 1rem;
    }

    /* Cards Facelift */
    .shop-card,
    .model-card,
    .research-card,
    .inventory-card {
        border-radius: var(--radius);
        background: var(--bg-card);
        border: 1px solid var(--border);
        padding: 1.25rem;
        margin-bottom: 0.75rem;
    }

    .shop-grid,
    .model-grid,
    .research-grid,
    .inventory-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .shop-name,
    .model-name,
    .research-name,
    .inv-name {
        font-family: var(--font-modern);
        font-size: 1.05rem;
        font-weight: 700;
    }

    .shop-desc,
    .model-desc,
    .research-desc {
        font-family: var(--font-modern);
        font-size: 0.85rem;
        color: var(--text-muted);
    }

    .shop-stats,
    .model-stats,
    .model-rewards,
    .inv-stat,
    .inv-effect {
        font-family: var(--font-modern);
    }

    /* Buttons Modernization */
    .btn-small {
        font-family: var(--font-modern);
        width: 100%;
        padding: 0.8rem;
        font-size: 0.85rem;
        font-weight: 600;
        border-radius: var(--radius-sm);
        margin-top: 1rem;
    }

    /* ── Log Panel Adaptation ──────────────────────────────────── */
    .log-panel {
        order: 2;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        max-height: 400px;
        margin-bottom: 2rem;
    }

    .log-header {
        font-family: var(--font-modern);
        font-weight: 700;
        padding: 1rem;
    }

    #log-content {
        font-family: var(--font-modern);
        padding: 1rem;
    }

    /* ── Event Modal ───────────────────────────────────────────── */
    .event-modal-content {
        width: 90%;
        border-radius: 0;
        padding: 1.5rem;
        border-width: 2px;
    }

    #event-title {
        font-family: var(--font-modern);
        border-bottom: none;
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    #event-desc {
        font-family: var(--font-modern);
        font-size: 0.9rem;
    }

    .btn-event-choice {
        font-family: var(--font-modern);
        border-radius: var(--radius-sm);
        padding: 1rem;
        font-weight: 600;
    }

    /* Settings Tab Grid */
    .settings-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .settings-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        padding: 1.25rem;
    }

    /* ── Hide Footer on Mobile ─────────────────────────────────── */
    .footer {
        display: none;
    }
}

/* ── Ultra Compact (iPhone SE, etc) ────────────────────────── */
@media (max-width: 380px) {
    .resource-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .game-title {
        font-size: 0.9rem;
    }
}