/* ===================================
   Layout Styles - Esports Theme
   =================================== */

/* ===================================
   Background
   =================================== */

body {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.05) 0%, transparent 70%),
        var(--color-bg-primary);
    background-attachment: fixed;
}

/* Grid pattern overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ===================================
   Main Container
   =================================== */

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: var(--z-base);
}

/* ===================================
   Header (HUD Style)
   =================================== */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: var(--space-4);
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header__logo {
    width: 40px;
    height: 40px;
}

.header__title {
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    text-shadow: 0 0 20px var(--color-neon-cyan);
    margin: 0;
}

.header__stats {
    display: flex;
    gap: var(--space-3);
}

/* ===================================
   Main Content
   =================================== */

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

/* ===================================
   Game Layout (Two Column)
   =================================== */

.game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.game__left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.game__right {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ===================================
   Control Panel Header (used in answer section)
   =================================== */

.control-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.control-panel__title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

/* ===================================
   Answer Section
   =================================== */

.answer-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.choices-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.text-input-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* ===================================
   Action Buttons
   =================================== */

.actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

.actions--stack {
    flex-direction: column;
}

/* ===================================
   Feedback Area
   =================================== */

.feedback-area {
    text-align: center;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===================================
   Inline Stats (Mobile Only)
   =================================== */

.inline-stats {
    display: none; /* Hidden on desktop */
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.inline-stats__item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.inline-stats__value {
    color: var(--color-neon-cyan);
    font-family: var(--font-display);
    font-weight: var(--font-bold);
}

/* ===================================
   Footer (Stats Bar)
   =================================== */

.footer {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
}

.footer__content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer__stat {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.footer__stat-value {
    color: var(--color-neon-cyan);
    font-family: var(--font-display);
    font-weight: var(--font-bold);
}

.footer__github {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__github:hover {
    color: var(--color-neon-cyan);
}

/* Mobile GitHub link (floating bottom corner) */
.github-mobile {
    display: none;
    position: fixed;
    bottom: var(--space-3);
    right: var(--space-3);
    color: var(--color-text-muted);
    opacity: 0.6;
    transition: opacity var(--transition-fast), color var(--transition-fast);
    z-index: var(--z-fixed);
}

.github-mobile:hover {
    opacity: 1;
    color: var(--color-neon-cyan);
}

/* ===================================
   Responsive - Tablet
   =================================== */

@media (max-width: 1024px) {
    .header__content {
        flex-wrap: wrap;
        justify-content: center;
    }

    .header__brand {
        width: 100%;
        justify-content: center;
        margin-bottom: var(--space-2);
    }

    .game {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .game__left {
        order: 1;
    }

    .game__right {
        order: 2;
    }

    .hero-frame {
        max-width: 400px;
    }
}

/* ===================================
   Responsive - Mobile (Tablet/Large Mobile)
   =================================== */

@media (max-width: 768px) {
    .header {
        padding: var(--space-2) var(--space-4);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: var(--z-fixed);
        background: rgba(15, 15, 35, 0.9);
        backdrop-filter: blur(8px);
    }

    .header__content {
        flex-wrap: nowrap;
    }

    .header__brand {
        width: auto;
        margin-bottom: 0;
    }

    .header__title {
        font-size: var(--text-sm);
    }

    .header__stats {
        gap: var(--space-2);
    }

    .main {
        padding: var(--space-4);
        padding-top: 64px; /* Smaller header offset */
        padding-bottom: var(--space-4);
    }

    .game {
        gap: var(--space-2);
    }

    /* LARGER hero image on tablet/large mobile */
    .hero-frame {
        max-width: 300px;
        margin: 0 auto;
    }

    .game__left {
        gap: var(--space-2);
    }

    /* Feedback */
    .feedback-area {
        min-height: 32px;
    }

    .feedback {
        font-size: var(--text-base);
    }

    /* Lighter answer section - less boxy */
    .answer-section {
        padding: var(--space-3);
        background: rgba(30, 30, 60, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: 16px;
    }

    .control-panel__header {
        margin-bottom: var(--space-2);
        padding-bottom: var(--space-2);
    }

    /* Hide section header on mobile */
    .answer-section .control-panel__header {
        display: none;
    }

    /* 2x2 grid with LARGER buttons */
    .choices-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .choice-btn {
        padding: var(--space-3);
        min-height: 56px;
        font-size: var(--text-base);
        border-radius: 14px;
    }

    .actions {
        flex-direction: row;
        gap: var(--space-2);
        margin-top: var(--space-2) !important;
    }

    .actions .btn {
        flex: 1;
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }

    /* Hide fixed footer on mobile - replaced by inline stats */
    .footer {
        display: none;
    }

    /* Show floating GitHub link on mobile */
    .github-mobile {
        display: block;
    }

    /* Inline stats (visible on mobile only) */
    .inline-stats {
        display: flex;
        justify-content: center;
        gap: var(--space-4);
        padding: var(--space-1) 0;
        font-size: var(--text-sm);
        color: var(--color-text-secondary);
    }

    .inline-stats__item {
        display: flex;
        align-items: center;
        gap: var(--space-1);
    }

    .inline-stats__value {
        color: var(--color-neon-cyan);
        font-family: var(--font-display);
        font-weight: var(--font-bold);
    }

    .stat-badge {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }

    .stat-badge__value {
        font-size: var(--text-sm);
    }

    /* Compact difficulty selector */
    .difficulty-selector {
        width: 100%;
        justify-content: center;
    }

    .difficulty-btn {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
        min-width: auto;
    }

    /* Hide HUD corner decorations on mobile */
    .hero-frame__corner {
        display: none;
    }

    /* Hide scanline effect on mobile for cleaner look */
    .hero-frame::after {
        display: none;
    }
}

/* ===================================
   Responsive - Small Mobile (480px)
   =================================== */

@media (max-width: 480px) {
    /* Ultra-minimal header - just score and settings */
    .header {
        padding: var(--space-2) var(--space-3);
        background: transparent;
        backdrop-filter: none;
        border-bottom: none;
    }

    .header__content {
        justify-content: space-between;
    }

    .header__brand {
        gap: var(--space-2);
        width: auto;
        margin-bottom: 0;
    }

    /* Hide logo and title on small mobile - cleaner look */
    .header__logo {
        width: 24px;
        height: 24px;
    }

    .header__title {
        display: none;
    }

    /* Hide streak badge on small mobile - keep score only */
    .header__stats .stat-badge:not(.stat-badge--highlight) {
        display: none;
    }

    /* Minimal score badge */
    .header__stats .stat-badge--highlight {
        background: rgba(15, 15, 35, 0.8);
        backdrop-filter: blur(8px);
    }

    .main {
        padding: var(--space-3);
        padding-top: 56px; /* Smaller header offset */
        padding-bottom: var(--space-3);
    }

    .game {
        gap: var(--space-2);
    }

    .game__left {
        gap: var(--space-1);
    }

    /* LARGER hero image (280px instead of 180px) */
    .hero-frame {
        max-width: 280px;
    }

    /* Feedback */
    .feedback-area {
        min-height: 28px;
    }

    .feedback {
        font-size: var(--text-sm);
    }

    /* Inline stats tighter */
    .inline-stats {
        padding: 0;
    }

    /* REMOVE the box - seamless answer section */
    .answer-section {
        padding: 0;
        background: transparent;
        border: none;
        border-radius: 0;
    }

    /* 2x2 grid with LARGER buttons (56-60px height) */
    .choices-grid {
        gap: 10px;
    }

    .choice-btn {
        padding: var(--space-3);
        min-height: 54px;
        font-size: var(--text-sm);
        border-radius: 12px;
    }

    .actions {
        margin-top: var(--space-2) !important;
        gap: var(--space-2);
    }

    .actions .btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }

    /* Inline stats styling for small mobile */
    .inline-stats {
        font-size: var(--text-xs);
        gap: var(--space-3);
    }

    /* Difficulty buttons */
    .difficulty-btn {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }

    .stat-badge {
        padding: var(--space-1) var(--space-2);
    }

    .stat-badge__label {
        font-size: 0.65rem;
    }

    .stat-badge__value {
        font-size: var(--text-sm);
    }

    /* Settings button smaller */
    .settings-btn {
        width: 32px;
        height: 32px;
        background: rgba(15, 15, 35, 0.8);
        backdrop-filter: blur(8px);
    }
}

/* ===================================
   Responsive - Very Small Mobile (375px and below)
   =================================== */

@media (max-width: 375px) {
    .header {
        padding: var(--space-1) var(--space-2);
    }

    /* Hide logo entirely on very small screens */
    .header__logo {
        display: none;
    }

    .main {
        padding: var(--space-2);
        padding-top: 44px;
    }

    .game {
        gap: 6px;
    }

    .game__left {
        gap: 4px;
    }

    /* Slightly smaller hero but still prominent */
    .hero-frame {
        max-width: 220px;
    }

    /* Maintain usable button sizes */
    .choice-btn {
        min-height: 50px;
        font-size: var(--text-xs);
        padding: var(--space-2);
    }

    .choices-grid {
        gap: 8px;
    }

    .actions {
        margin-top: var(--space-2) !important;
    }

    .actions .btn {
        font-size: var(--text-xs);
        padding: var(--space-2);
    }

    .inline-stats {
        padding: 0;
    }

    .feedback-area {
        min-height: 28px;
    }

    .feedback {
        font-size: var(--text-xs);
    }

    .settings-btn {
        width: 28px;
        height: 28px;
    }

    .stat-badge {
        padding: 4px 8px;
    }

    .stat-badge__label {
        display: none; /* Just show the number */
    }

    .stat-badge__value {
        font-size: var(--text-sm);
    }
}

/* ===================================
   Mobile Landscape Mode
   =================================== */

@media (max-width: 896px) and (orientation: landscape) {
    .header {
        padding: var(--space-1) var(--space-3);
    }

    .header__title {
        font-size: var(--text-sm);
    }

    .main {
        padding: var(--space-2) var(--space-4);
        padding-top: 50px;
        padding-bottom: var(--space-2);
    }

    /* Side-by-side layout in landscape */
    .game {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: var(--space-4);
        align-items: start;
    }

    .game__left {
        gap: var(--space-2);
    }

    .game__right {
        gap: var(--space-2);
    }

    .hero-frame {
        max-width: 200px;
    }

    /* Hide corners in landscape too */
    .hero-frame__corner {
        display: none;
    }

    .feedback-area {
        min-height: 24px;
    }

    .feedback {
        font-size: var(--text-sm);
    }

    /* Answer section in landscape */
    .answer-section {
        padding: var(--space-3);
        border-radius: var(--radius-lg);
    }

    .answer-section .control-panel__header {
        display: none;
    }

    .choices-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }

    .choice-btn {
        min-height: 44px;
        padding: var(--space-2);
        font-size: var(--text-sm);
        border-radius: var(--radius-md);
    }

    .actions {
        margin-top: var(--space-2) !important;
    }

    /* Hide footer in landscape too */
    .footer {
        display: none;
    }

    /* Show inline stats in landscape */
    .inline-stats {
        display: flex;
        font-size: var(--text-xs);
    }
}