/* ============================================================
   FROGGER — Nature Crossing Theme
   Accent: #22C55E  |  Dark bg with nature tones
   ============================================================ */

:root {
    --fg-accent: #22C55E;
    --fg-accent-dim: #16A34A;
    --fg-accent-glow: rgba(34, 197, 94, 0.4);
    --fg-bg: #0A1A0F;
    --fg-bg-card: #112118;
    --fg-bg-card-border: rgba(34, 197, 94, 0.15);
    --fg-text: #E2E8F0;
    --fg-text-dim: #94A3B8;
    --fg-danger: #EF4444;
    --fg-water: #1E40AF;
    --fg-road: #374151;
    --fg-grass: #166534;
    --fg-gold: #F59E0B;
}

/* ── Layout ── */
.fg-layout {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 16px;
    min-height: calc(100vh - 60px);
}

.fg-ad-slot {
    width: 160px;
    flex-shrink: 0;
}

.fg-ad-placeholder {
    background: var(--fg-bg-card);
    border: 1px dashed var(--fg-bg-card-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-text-dim);
    font-size: 12px;
    letter-spacing: 2px;
}

.fg-ad-placeholder--vertical {
    width: 160px;
    height: 600px;
}

#frogger-app {
    flex: 1;
    max-width: 560px;
    min-width: 320px;
}

/* ── Screens ── */
.fg-screen {
    display: none;
    flex-direction: column;
    align-items: center;
}

.fg-screen.active {
    display: flex;
}

/* ── Menu Screen ── */
.fg-header {
    text-align: center;
    margin-bottom: 20px;
}

.fg-logo-frog {
    margin: 0 auto 12px;
}

.fg-header h1 {
    font-family: 'Syne', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--fg-accent);
    text-shadow: 0 0 30px var(--fg-accent-glow);
    letter-spacing: 4px;
    margin: 0;
}

.fg-subtitle {
    color: var(--fg-text-dim);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    margin-top: 8px;
}

.fg-bestbox {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--fg-bg-card);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 12px;
    padding: 12px 24px;
    margin-bottom: 20px;
}

.fg-bestbox__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--fg-text-dim);
    letter-spacing: 2px;
}

.fg-bestbox__score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fg-gold);
}

/* ── Info Cards ── */
.fg-info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 24px;
    width: 100%;
    max-width: 400px;
}

.fg-info-card {
    background: var(--fg-bg-card);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 10px;
    padding: 12px 8px;
    text-align: center;
}

.fg-info-card__icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.fg-info-card__text {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    color: var(--fg-text-dim);
}

/* ── Buttons ── */
.fg-btn {
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    padding: 10px 20px;
    font-size: 0.9rem;
}

.fg-btn--primary {
    background: linear-gradient(135deg, var(--fg-accent), var(--fg-accent-dim));
    color: #fff;
    box-shadow: 0 4px 15px var(--fg-accent-glow);
}

.fg-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--fg-accent-glow);
}

.fg-btn--lg {
    padding: 14px 36px;
    font-size: 1.1rem;
    width: 100%;
    max-width: 280px;
}

.fg-btn--outline {
    background: transparent;
    color: var(--fg-accent);
    border: 1.5px solid var(--fg-accent);
}

.fg-btn--outline:hover {
    background: rgba(34, 197, 94, 0.1);
}

.fg-btn--ghost {
    background: transparent;
    color: var(--fg-text-dim);
}

.fg-btn--ghost:hover {
    color: var(--fg-text);
}

.fg-btn--sm {
    font-size: 0.8rem;
    padding: 6px 14px;
}

.fg-menu-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    width: 100%;
}

.fg-controls-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--fg-text-dim);
    opacity: 0.7;
}

/* ── Game Screen ── */
.fg-hud {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 8px 12px;
    background: var(--fg-bg-card);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 10px;
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--fg-text);
    flex-wrap: wrap;
    gap: 4px;
}

.fg-hud__lives {
    display: flex;
    gap: 4px;
}

.fg-canvas-wrap {
    width: 100%;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--fg-bg-card-border);
    background: #000;
}

#game-canvas {
    display: block;
    width: 100%;
    height: auto;
}

/* ── D-pad ── */
.fg-dpad {
    display: none;
    position: relative;
    width: 140px;
    height: 140px;
    margin: 12px auto 0;
}

.fg-dpad__btn {
    position: absolute;
    width: 44px;
    height: 44px;
    background: var(--fg-bg-card);
    border: 1.5px solid var(--fg-accent);
    border-radius: 10px;
    color: var(--fg-accent);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.fg-dpad__btn:active {
    background: var(--fg-accent);
    color: #fff;
}

.fg-dpad__up    { top: 0; left: 50%; transform: translateX(-50%); }
.fg-dpad__down  { bottom: 0; left: 50%; transform: translateX(-50%); }
.fg-dpad__left  { top: 50%; left: 0; transform: translateY(-50%); }
.fg-dpad__right { top: 50%; right: 0; transform: translateY(-50%); }

/* ── Game Over ── */
.fg-result-card {
    background: var(--fg-bg-card);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    backdrop-filter: blur(10px);
}

.fg-result-header h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--fg-accent);
    margin: 0 0 16px;
}

.fg-result-scores {
    margin-bottom: 16px;
}

.fg-result-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-family: 'DM Sans', sans-serif;
    color: var(--fg-text-dim);
}

.fg-result-val {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--fg-text);
}

.fg-nickname-row {
    margin-bottom: 14px;
}

.fg-nickname-row input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 8px;
    color: var(--fg-text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    outline: none;
    box-sizing: border-box;
}

.fg-nickname-row input:focus {
    border-color: var(--fg-accent);
}

.fg-result-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.fg-result-actions .fg-btn {
    flex: 1;
}

.fg-save-msg {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.8rem;
    color: var(--fg-accent);
    min-height: 20px;
    margin-top: 8px;
}

/* ── Leaderboard ── */
.fg-lb-card {
    background: var(--fg-bg-card);
    border: 1px solid var(--fg-bg-card-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.fg-lb-card h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    color: var(--fg-accent);
    margin: 0 0 16px;
}

.fg-lb-list {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    text-align: left;
}

.fg-lb-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 6px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    color: var(--fg-text);
}

.fg-lb-list li:nth-child(odd) {
    background: rgba(255,255,255,0.03);
}

.fg-lb-list li:first-child {
    color: var(--fg-gold);
    font-weight: 700;
}

.fg-lb-list .fg-lb-score {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* ── Mobile ── */
@media (max-width: 900px) {
    .fg-ad-slot--left, .fg-ad-slot--right { display: none; }
    .fg-layout { padding: 12px 8px; }
}

@media (max-width: 600px) {
    .fg-header h1 { font-size: 2.2rem; }
    .fg-info-cards { grid-template-columns: repeat(2, 1fr); }
    .fg-dpad { display: block; }
    .fg-hud { font-size: 0.7rem; }
}

@media (hover: none) and (pointer: coarse) {
    .fg-dpad { display: block; }
}