/* ===== RESET ===== */
* {
    margin: 0; padding: 0; box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    user-select: none; -webkit-user-select: none;
}
html, body { width: 100%; height: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #1a1a2e;
    color: #fff;
    overflow: hidden;
    position: fixed;
    touch-action: none;
}
body.in-game { overflow: hidden; }
body:not(.in-game) #app { overflow-y: auto; }

#app {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
}

/* ===== FOCUS ===== */
:focus-visible {
    outline: 3px solid #f9ca24;
    outline-offset: 2px;
    border-radius: 6px;
}

/* ===== SCREENS ===== */
.screen { width: 100%; min-height: 100%; display: flex; flex-direction: column; }
.menu-screen { background: linear-gradient(135deg, #0f3460 0%, #16213e 100%); padding-bottom: 30px; }
.sub-screen { background: linear-gradient(135deg, #0f3460 0%, #16213e 100%); padding-bottom: 30px; }
.game-screen { background: #0f3460; }

/* ===== TOPBAR ===== */
.topbar {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 14px;
    background: rgba(0,0,0,0.35);
    flex-wrap: wrap;
}
.topbar-stat {
    display: inline-flex; align-items: center; gap: 4px;
    background: rgba(255,255,255,0.05);
    padding: 6px 10px; border-radius: 14px;
    font-size: 13px; font-weight: 700;
}
.tb-icon { color: #f9ca24; }
.topbar-actions {
    margin-left: auto;
    display: flex; gap: 6px;
}

/* ===== ICON BTN ===== */
.icon-btn {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.4);
    background: rgba(0,0,0,0.4);
    color: #fff;
    font-size: 18px; font-weight: 700;
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0;
}
.icon-btn:active { transform: scale(0.92); background: rgba(0,0,0,0.6); }

/* ===== MENU ===== */
.menu-title-row { text-align: center; padding: 16px 12px 4px; }
.game-title-small {
    font-size: clamp(28px, 8vw, 44px);
    font-weight: 900;
    letter-spacing: -1px;
}
.tagline-small { font-size: 13px; opacity: 0.7; margin-top: 4px; }

.daily-tile {
    display: flex; align-items: center; justify-content: space-between;
    margin: 14px 14px;
    padding: 14px 18px;
    background: linear-gradient(90deg, #f9ca24, #ff6b6b);
    color: #1a1a2e;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.daily-tile:active { transform: scale(0.98); }
.daily-label { font-size: 12px; letter-spacing: 1px; font-weight: 700; }
.daily-date { font-size: 18px; font-weight: 900; }
.daily-right { font-size: 22px; font-weight: 900; }

/* ===== LEVEL GRID ===== */
.level-grid-wrap {
    flex: 1;
    overflow-y: auto;
    padding: 0 14px 20px;
    -webkit-overflow-scrolling: touch;
}
.level-grid {
    --cols: 5;
    display: grid;
    grid-template-columns: repeat(var(--cols), 1fr);
    gap: 10px;
}
@media (max-width: 480px) {
    .level-grid { --cols: 4; gap: 8px; }
}
@media (max-width: 360px) {
    .level-grid { --cols: 3; }
}

.level-tile {
    position: relative;
    background: rgba(255,255,255,0.06);
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 14px;
    aspect-ratio: 1;
    color: #fff;
    cursor: pointer;
    display: flex; flex-direction: column; align-items: center; justify-content: space-between;
    padding: 6px 4px;
    transition: transform 0.15s, background 0.15s;
}
.level-tile:hover:not(.locked) { background: rgba(255,255,255,0.12); }
.level-tile:active:not(.locked) { transform: scale(0.95); }
.level-tile.locked {
    background: rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.4);
    cursor: not-allowed;
}
.level-tile.zooming {
    transform: scale(1.6);
    opacity: 0;
    transition: transform 0.28s ease-in, opacity 0.28s ease-in;
}
.level-num { font-size: 16px; font-weight: 900; }
.level-thumb { display: flex; align-items: center; justify-content: center; }
.level-thumb canvas {
    width: 60px; height: 36px;
    border-radius: 4px;
    image-rendering: pixelated;
}
.star-row { display: flex; gap: 2px; }
.star {
    font-size: 12px; color: rgba(255,255,255,0.25);
}
.star.filled { color: #f9ca24; }
.star.big { font-size: 36px; }
.lock-icon {
    position: absolute; top: 50%; left: 50%;
    width: 24px; height: 24px;
    transform: translate(-50%, -50%);
    opacity: 0.5;
}

/* ===== GAME ===== */
.game-screen .game-header {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 12px;
    background: rgba(0,0,0,0.35);
}
.hud {
    flex: 1;
    display: flex; gap: 14px; justify-content: center;
}
.hud > div { display: flex; flex-direction: column; align-items: center; }
.hud-label { font-size: 10px; opacity: 0.6; letter-spacing: 1px; }
.hud-val { font-size: 16px; font-weight: 700; }
.hud-val.lives { color: #ff6b6b; letter-spacing: 2px; }
.hud-actions { display: flex; gap: 6px; }

.canvas-wrap { flex: 1; display: flex; }
#gameCanvas {
    flex: 1; width: 100%; background: #16213e; display: block; cursor: crosshair;
}

.pause-overlay {
    position: absolute; inset: 0;
    background: rgba(15, 52, 96, 0.88);
    display: flex; align-items: center; justify-content: center;
    z-index: 50;
}
.pause-overlay.hidden { display: none; }
.pause-content { text-align: center; }
.pause-content h2 {
    font-size: clamp(32px, 10vw, 56px); letter-spacing: 4px; margin-bottom: 20px;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: absolute; inset: 0;
    background: rgba(15, 52, 96, 0.92);
    display: flex; align-items: center; justify-content: center;
    z-index: 60;
    padding: 20px;
}
.modal-content {
    background: #16213e;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.modal-content h2 {
    font-size: 28px; margin-bottom: 14px; letter-spacing: 2px;
}
.big-stars { font-size: 36px; margin: 14px 0; }
.mc-row { font-size: 14px; margin: 6px 0; }
.mc-row.coins { color: #f9ca24; font-weight: 700; margin-top: 12px; }
.new-best {
    margin: 14px 0;
    padding: 12px;
    background: rgba(249, 202, 36, 0.15);
    border-radius: 10px;
}
.new-best-label { font-size: 12px; color: #f9ca24; font-weight: 700; margin-bottom: 8px; }
.arcade-input {
    width: 100px; padding: 8px;
    font-size: 22px; font-weight: 900;
    text-align: center; letter-spacing: 4px;
    background: #0f3460; color: #fff;
    border: 2px solid #f9ca24;
    border-radius: 8px;
    text-transform: uppercase;
}
.button-row { display: flex; gap: 10px; margin-top: 18px; justify-content: center; }

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary {
    font-size: 14px; font-weight: 700;
    padding: 12px 28px;
    border: none; border-radius: 40px;
    cursor: pointer;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 0.15s;
}
.btn-primary { background: #fff; color: #0f3460; box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.btn-primary:active { transform: scale(0.95); }
.btn-secondary {
    background: transparent; color: #fff; border: 2px solid #fff;
}
.btn-secondary:active { transform: scale(0.95); background: rgba(255,255,255,0.1); }
.btn-secondary.small { padding: 8px 16px; font-size: 12px; }
.btn-secondary.danger { border-color: #ff6b6b; color: #ff6b6b; margin-top: 20px; }

/* ===== SUB-SCREEN ===== */
.sub-header {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px;
    background: rgba(0,0,0,0.35);
}
.sub-header h2 { font-size: 20px; font-weight: 900; letter-spacing: 2px; }
.sub-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}
.sub-body h3 { font-size: 16px; margin: 18px 0 8px; opacity: 0.9; }
.sub-body h4.lb-h4 { font-size: 13px; margin: 10px 0 4px; opacity: 0.7; }

.setting-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    gap: 12px;
}
.setting-row label { font-size: 14px; flex-shrink: 0; }
.setting-row input[type=range] { flex: 1; max-width: 200px; }
.setting-row select {
    background: #0f3460; color: #fff; border: 1px solid rgba(255,255,255,0.3);
    padding: 8px 12px; border-radius: 6px; font-size: 14px;
}
.toggle {
    background: rgba(255,255,255,0.1);
    color: #fff; border: 2px solid rgba(255,255,255,0.3);
    padding: 6px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 700; cursor: pointer;
    min-width: 60px;
}
.toggle.on { background: #2ecc71; border-color: #2ecc71; }

/* ===== LEADERBOARD ===== */
.lb-row {
    display: flex; justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
}

/* ===== ACHIEVEMENTS ===== */
.ach-row {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    opacity: 0.5;
}
.ach-row.unlocked { opacity: 1; }
.ach-icon { font-size: 24px; width: 36px; text-align: center; }
.ach-name { font-size: 14px; font-weight: 700; }
.ach-desc { font-size: 12px; opacity: 0.7; margin-top: 2px; }

/* ===== SHOP ===== */
.coins-display {
    font-size: 18px; font-weight: 700; text-align: center;
    color: #f9ca24; margin-bottom: 16px;
}
.skin-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}
.skin-tile {
    background: rgba(255,255,255,0.06);
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    padding: 12px 6px;
    cursor: pointer;
    color: #fff;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    transition: transform 0.15s;
}
.skin-tile:active { transform: scale(0.95); }
.skin-tile.selected { border-color: #f9ca24; background: rgba(249,202,36,0.15); }
.skin-tile.locked { opacity: 0.6; }
.swatch {
    width: 40px; height: 24px; border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.3);
}
.skin-name { font-size: 12px; font-weight: 700; }
.skin-cost { font-size: 11px; opacity: 0.7; }

/* ===== HOW-TO ===== */
.howto p { margin: 10px 0; line-height: 1.5; font-size: 14px; }

/* ===== TOAST ===== */
.toast-host {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
    z-index: 200;
    display: flex; flex-direction: column-reverse; gap: 8px;
    pointer-events: none;
}
.toast {
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 12px 18px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 18px rgba(0,0,0,0.4);
    border: 1px solid rgba(249, 202, 36, 0.5);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
    max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== ANIM ===== */
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* ===== MEDIA ===== */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

@media (max-width: 480px) {
    .hud { gap: 8px; }
    .hud-val { font-size: 14px; }
    .topbar-stat { font-size: 11px; padding: 4px 8px; }
    .icon-btn { width: 34px; height: 34px; font-size: 16px; }
    .sub-header h2 { font-size: 16px; }
}

/* ===== LIGHT THEME (overrides) ===== */
/* Warm off-white surfaces, dark navy text, keep the yellow/red accents. */
:root[data-theme="light"] body {
    background: #f6f6fb;
    color: #15192e;
}
:root[data-theme="light"] :focus-visible {
    outline-color: #c89200;
}
:root[data-theme="light"] .menu-screen,
:root[data-theme="light"] .sub-screen {
    background: linear-gradient(135deg, #eef0fa 0%, #e2e5f3 100%);
    color: #15192e;
}
:root[data-theme="light"] .game-screen { background: #eef0fa; }
:root[data-theme="light"] .topbar,
:root[data-theme="light"] .game-screen .game-header,
:root[data-theme="light"] .sub-header {
    background: rgba(15, 25, 60, 0.08);
}
:root[data-theme="light"] .topbar-stat {
    background: rgba(15, 25, 60, 0.06);
    color: #15192e;
}
:root[data-theme="light"] .icon-btn {
    border-color: rgba(15, 25, 60, 0.35);
    background: rgba(255, 255, 255, 0.7);
    color: #15192e;
}
:root[data-theme="light"] .icon-btn:active { background: rgba(15, 25, 60, 0.15); }
:root[data-theme="light"] .level-tile {
    background: rgba(15, 25, 60, 0.06);
    border-color: rgba(15, 25, 60, 0.15);
    color: #15192e;
}
:root[data-theme="light"] .level-tile:hover:not(.locked) { background: rgba(15, 25, 60, 0.12); }
:root[data-theme="light"] .level-tile.locked {
    background: rgba(15, 25, 60, 0.05);
    border-color: rgba(15, 25, 60, 0.08);
    color: rgba(21, 25, 46, 0.4);
}
:root[data-theme="light"] .star { color: rgba(15, 25, 60, 0.25); }
:root[data-theme="light"] #gameCanvas { background: #dde1ef; }
:root[data-theme="light"] .pause-overlay { background: rgba(238, 240, 250, 0.92); color: #15192e; }
:root[data-theme="light"] .modal-overlay { background: rgba(15, 25, 60, 0.55); }
:root[data-theme="light"] .modal-content {
    background: #fff;
    color: #15192e;
    box-shadow: 0 10px 40px rgba(15, 25, 60, 0.25);
}
:root[data-theme="light"] .arcade-input {
    background: #fff;
    color: #15192e;
    border-color: #c89200;
}
:root[data-theme="light"] .btn-primary { background: #15192e; color: #fff; }
:root[data-theme="light"] .btn-secondary { color: #15192e; border-color: #15192e; }
:root[data-theme="light"] .btn-secondary:active { background: rgba(15, 25, 60, 0.1); }
:root[data-theme="light"] .new-best { background: rgba(249, 202, 36, 0.25); }
:root[data-theme="light"] .new-best-label { color: #8a6500; }
:root[data-theme="light"] .setting-row { border-bottom-color: rgba(15, 25, 60, 0.1); }
:root[data-theme="light"] .setting-row select {
    background: #fff;
    color: #15192e;
    border-color: rgba(15, 25, 60, 0.3);
}
:root[data-theme="light"] .toggle {
    background: rgba(15, 25, 60, 0.08);
    color: #15192e;
    border-color: rgba(15, 25, 60, 0.3);
}
:root[data-theme="light"] .toggle.on { background: #2ecc71; color: #fff; border-color: #2ecc71; }
:root[data-theme="light"] .lb-row,
:root[data-theme="light"] .ach-row { border-bottom-color: rgba(15, 25, 60, 0.1); }
:root[data-theme="light"] .skin-tile {
    background: rgba(15, 25, 60, 0.06);
    border-color: rgba(15, 25, 60, 0.15);
    color: #15192e;
}
:root[data-theme="light"] .skin-tile.selected { background: rgba(249, 202, 36, 0.25); border-color: #c89200; }
:root[data-theme="light"] .swatch { border-color: rgba(15, 25, 60, 0.3); }
:root[data-theme="light"] .toast { background: rgba(15, 25, 60, 0.9); color: #fff; }
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) body { background: #f6f6fb; color: #15192e; }
    :root:not([data-theme="dark"]) .menu-screen,
    :root:not([data-theme="dark"]) .sub-screen { background: linear-gradient(135deg, #eef0fa 0%, #e2e5f3 100%); color: #15192e; }
    :root:not([data-theme="dark"]) .game-screen { background: #eef0fa; }
    :root:not([data-theme="dark"]) .topbar,
    :root:not([data-theme="dark"]) .game-screen .game-header,
    :root:not([data-theme="dark"]) .sub-header { background: rgba(15, 25, 60, 0.08); }
    :root:not([data-theme="dark"]) .topbar-stat { background: rgba(15, 25, 60, 0.06); color: #15192e; }
    :root:not([data-theme="dark"]) .icon-btn { border-color: rgba(15, 25, 60, 0.35); background: rgba(255, 255, 255, 0.7); color: #15192e; }
    :root:not([data-theme="dark"]) .level-tile { background: rgba(15, 25, 60, 0.06); border-color: rgba(15, 25, 60, 0.15); color: #15192e; }
    :root:not([data-theme="dark"]) #gameCanvas { background: #dde1ef; }
    :root:not([data-theme="dark"]) .modal-content { background: #fff; color: #15192e; }
    :root:not([data-theme="dark"]) .btn-primary { background: #15192e; color: #fff; }
    :root:not([data-theme="dark"]) .btn-secondary { color: #15192e; border-color: #15192e; }
    :root:not([data-theme="dark"]) .setting-row select { background: #fff; color: #15192e; border-color: rgba(15, 25, 60, 0.3); }
    :root:not([data-theme="dark"]) .toggle { background: rgba(15, 25, 60, 0.08); color: #15192e; border-color: rgba(15, 25, 60, 0.3); }
    :root:not([data-theme="dark"]) .pause-overlay { background: rgba(238, 240, 250, 0.92); color: #15192e; }
    :root:not([data-theme="dark"]) .modal-overlay { background: rgba(15, 25, 60, 0.55); }
}