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

/* === SPLASH SCREEN === */
#splash-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(160deg, #f0e4c8 0%, #d8c8a0 50%, #c4a878 100%);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#splash-screen.fade-out {
    opacity: 0;
    transform: scale(1.05);
    pointer-events: none;
}

.splash-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(80,50,20,0.3);
    animation: splashIconIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.splash-title {
    font-family: 'Georgia', serif;
    font-size: 2rem;
    color: #4a3020;
    animation: splashTextIn 0.6s ease 0.3s both;
}

.splash-subtitle {
    font-family: 'Georgia', serif;
    font-size: 1rem;
    color: #8a6a48;
    letter-spacing: 3px;
    text-transform: uppercase;
    animation: splashTextIn 0.6s ease 0.5s both;
}

.splash-loader {
    width: 140px;
    height: 3px;
    background: rgba(100,70,40,0.15);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 12px;
    animation: splashTextIn 0.6s ease 0.7s both;
}

.splash-loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #8b5e3c, #d4a843);
    border-radius: 3px;
    animation: splashLoad 1.5s ease 0.8s forwards;
}

@keyframes splashIconIn {
    0% { opacity: 0; transform: scale(0.5) rotate(-10deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

@keyframes splashTextIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes splashLoad {
    0% { width: 0%; }
    60% { width: 80%; }
    100% { width: 100%; }
}

.app-hidden {
    opacity: 0;
}

.app-visible {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* === MENU TOP BUTTONS === */
.menu-top-buttons {
    position: absolute;
    top: env(safe-area-inset-top, 16px);
    right: 16px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.btn-dark-toggle, .btn-lang-toggle {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.btn-lang-toggle {
    font-size: 0.75rem;
    font-weight: bold;
    font-family: inherit;
    color: var(--theme-ink);
    letter-spacing: 0.5px;
}

/* Language picker */
.lang-picker {
    gap: 12px;
}

.lang-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.lang-option {
    padding: 14px 20px;
    border: 1px solid var(--theme-border);
    border-radius: 12px;
    background: var(--theme-surface);
    color: var(--theme-ink);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    text-align: left;
}

.lang-option:active {
    transform: scale(0.97);
}

.lang-option.active {
    border-color: var(--theme-accent);
    background: rgba(160,112,48,0.1);
    font-weight: bold;
}

.btn-dark-toggle::after {
    content: '\263E';
}

body.dark-mode .btn-dark-toggle {
    background: rgba(255,255,255,0.15);
}

body.dark-mode .btn-dark-toggle::after {
    content: '\2600';
}

/* === DARK MODE === */
body.dark-mode {
    --theme-bg-top: #1a1a2e;
    --theme-bg-bottom: #0e0e1a;
    --theme-ink: #d4c8b0;
    --theme-accent: #c49a5c;
    --theme-accent-soft: rgba(180,140,80,0.15);
    --theme-surface: rgba(255,255,255,0.08);
    --theme-surface-strong: rgba(255,255,255,0.14);
    --theme-border: rgba(200,180,140,0.12);
    --theme-life: #e05040;
    --theme-life-shadow: rgba(220,70,50,0.3);
    --theme-pattern: rgba(200,170,120,0.06);
    background: #0e0e1a;
    color: #d4c8b0;
}

body.dark-mode #screen-menu {
    background:
        linear-gradient(180deg, rgba(20,20,40,0.7) 0%, rgba(10,10,20,0.8) 100%),
        url('../assets/menu-bg.png') center/cover no-repeat;
}

body.dark-mode #screen-chapters {
    background:
        linear-gradient(180deg, rgba(20,20,40,0.75) 0%, rgba(10,10,20,0.8) 100%),
        url('../assets/backgrounds/bg-final.jpg') center/cover no-repeat;
}

body.dark-mode .chapter-card {
    background: rgba(255,255,255,0.06);
    border-color: rgba(200,170,120,0.1);
}

body.dark-mode .level-card {
    background: rgba(255,255,255,0.08);
}

body.dark-mode .level-card.current {
    background: linear-gradient(135deg, #8b5e3c, #6a4028);
}

body.dark-mode .overlay-content {
    background: linear-gradient(180deg, #1e1e32 0%, #141424 100%);
    border-color: rgba(200,170,120,0.15);
}

body.dark-mode .btn-primary {
    background: linear-gradient(135deg, #a07040 0%, #7a5030 100%);
}

body.dark-mode .btn-secondary {
    color: #c4a878;
    border-color: #7a5830;
}

body.dark-mode .btn-back {
    color: #c4a878;
}

body.dark-mode .screen-header {
    border-bottom-color: rgba(200,170,120,0.1);
}

body.dark-mode .game-header {
    background: linear-gradient(180deg, rgba(20,20,40,0.95) 0%, rgba(20,20,40,0.4) 100%);
}

body.dark-mode #screen-game {
    background: linear-gradient(180deg, #1a1a2e 0%, #0e0e1a 100%);
}

body.dark-mode #screen-game::before {
    opacity: 0.15;
}

body.dark-mode .game-stats .stat-label {
    color: #a09880;
}

body.dark-mode .game-stats .stat-value {
    color: #d4c8b0;
}

body.dark-mode .combo-badge {
    color: #d4a843;
}

body.dark-mode .zoom-hint {
    background: rgba(255,255,255,0.15);
}

body.dark-mode .banner-ad {
    border-top-color: rgba(200,170,120,0.08);
}

body.dark-mode .story-back {
    background: rgba(255,255,255,0.15);
}

body.dark-mode .story-mystery {
    background: rgba(200,170,120,0.08);
    border-left-color: #c49a5c;
}

body.dark-mode .story-fact {
    background: rgba(255,255,255,0.06);
}

body.dark-mode #splash-screen {
    background: linear-gradient(160deg, #1a1a2e 0%, #0e0e1a 100%);
}

body.dark-mode .splash-title { color: #d4c8b0; }
body.dark-mode .splash-subtitle { color: #a08860; }
body.dark-mode .game-subtitle {
    color: #c4a878;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
body.dark-mode .splash-loader { background: rgba(200,170,120,0.1); }
body.dark-mode .splash-loader-bar { background: linear-gradient(90deg, #7a5830, #c49a5c); }

/* === TUTORIAL === */
.tutorial-card {
    background: linear-gradient(180deg, #f5ecd8 0%, #e8dcc0 100%);
    border: 1px solid rgba(140,110,70,0.2);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    max-width: 320px;
    width: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    box-shadow: 0 12px 40px rgba(60,40,20,0.3);
    animation: overlaySlideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.dark-mode .tutorial-card {
    background: linear-gradient(180deg, #1e1e32 0%, #141424 100%);
    border-color: rgba(200,170,120,0.15);
}

.tutorial-icon {
    font-size: 3rem;
    line-height: 1;
    animation: splashIconIn 0.5s ease;
}

.tutorial-step h3 {
    font-size: 1.2rem;
    color: var(--theme-ink);
    margin: 8px 0 4px;
}

.tutorial-step p {
    font-size: 0.95rem;
    color: var(--theme-ink);
    opacity: 0.8;
    line-height: 1.5;
}

.tutorial-dots {
    display: flex;
    gap: 8px;
}

.tutorial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(100,70,40,0.2);
    transition: background 0.3s, transform 0.3s;
}

.tutorial-dot.active {
    background: var(--theme-accent);
    transform: scale(1.3);
}

.tutorial-skip {
    font-size: 0.85rem;
    padding: 8px 20px;
    min-height: auto;
}

html, body {
    --theme-bg-top: #f0e4c8;
    --theme-bg-bottom: #ddd0b0;
    --theme-ink: #3a2e1f;
    --theme-accent: #a07030;
    --theme-accent-soft: rgba(100,60,30,0.12);
    --theme-surface: rgba(255,255,255,0.5);
    --theme-surface-strong: rgba(255,255,255,0.72);
    --theme-border: rgba(100,70,40,0.15);
    --theme-life: #c04030;
    --theme-life-shadow: rgba(180,60,40,0.3);
    --theme-pattern: rgba(120,80,40,0.08);
    width: 100%;
    height: 100dvh;
    overflow: hidden;
    font-family: 'Georgia', 'Palatino', 'Times New Roman', serif;
    background: #e8dcc0;
    color: #3a2e1f;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-touch-callout: none;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: none;
    position: fixed;
    inset: 0;
}

#app {
    width: 100%;
    height: 100dvh;
    position: relative;
    /* Landscape notch handling only — vertical safe-area is applied per-component
       (.game-header, .screen-header, #screen-menu) to avoid double-padding. */
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.screen {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

/* Reserve space for the AdMob adaptive banner pinned to BOTTOM_CENTER on
   every non-gameplay screen (menu, chapters, story, levels). Without this
   the banner floats over the bottom buttons — "Remove Ads" on the menu,
   the last level card, the "Play" CTA on the story page. Excluded on the
   game screen because the banner is hidden during gameplay. 72px covers
   the banner (~50–60dp) plus the iOS home-indicator safe area. */
.screen:not(#screen-game) {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
}

.screen.active {
    display: flex;
    animation: screenFadeIn 0.25s ease;
}

@keyframes screenFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Prevent iOS rubber-banding on scrollable screens */
.chapter-list, .level-list {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

/* === MENU === */
#screen-menu {
    justify-content: center;
    gap: 0;
    background:
        linear-gradient(180deg, rgba(240,228,200,0.3) 0%, rgba(220,200,170,0.4) 100%),
        url('../assets/menu-bg.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

#menu-bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.menu-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 0 24px;
}

/* Decorative ornament */
.menu-ornament {
    color: rgba(120,80,40,0.2);
    animation: menuFadeIn 1.2s ease-out 0.2s both;
}

/* Logo area */
.menu-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.menu-logo-icon {
    animation: menuLogoEnter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
    filter: drop-shadow(0 2px 6px rgba(100,60,20,0.2));
}

.menu-logo-icon svg {
    display: block;
}

.game-title {
    font-size: 3rem;
    color: #fff;
    text-shadow:
        0 0 15px rgba(0,0,0,0.9),
        0 0 30px rgba(0,0,0,0.6),
        0 2px 4px rgba(0,0,0,0.8);
    letter-spacing: 4px;
    animation: menuTitleEnter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
    margin: 0;
    line-height: 1.2;
}

.menu-title-line {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(120,80,40,0.4) 50%, transparent 100%);
    animation: menuFadeIn 0.8s ease-out 0.7s both;
}

.game-subtitle {
    font-size: 1.15rem;
    color: #fff;
    letter-spacing: 6px;
    text-transform: uppercase;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0,0,0,0.9);
    background: rgba(0,0,0,0.55);
    padding: 10px 28px;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: menuFadeIn 0.8s ease-out 0.8s both;
    margin: 0;
}

.menu-tagline {
    font-size: 0.78rem;
    color: rgba(120,90,50,0.4);
    letter-spacing: 1px;
    margin-top: 4px;
    animation: menuFadeIn 0.8s ease-out 1s both;
}

/* Buttons - mobile friendly */
.btn {
    padding: 16px 44px;
    border: none;
    border-radius: 14px;
    font-size: 1.1rem;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
}

.btn:active {
    transform: scale(0.95);
    opacity: 0.9;
}

.btn-primary {
    background: linear-gradient(135deg, #8b5e3c 0%, #6a4028 100%);
    color: #f0e8d8;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
}

.btn-play-menu {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 56px;
    font-size: 1.2rem;
    border-radius: 50px;
    background: linear-gradient(135deg, #9b6e44 0%, #8b5e3c 30%, #6a4028 100%);
    color: #f5eed8;
    box-shadow:
        0 4px 16px rgba(100,60,30,0.3),
        0 1px 3px rgba(0,0,0,0.15),
        inset 0 1px 0 rgba(255,255,255,0.15);
    animation: menuButtonEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) 1.1s both;
    overflow: hidden;
    letter-spacing: 1px;
}

.btn-play-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    animation: btnShimmer 3s ease-in-out 2s infinite;
}

.btn-play-menu:hover {
    box-shadow:
        0 6px 24px rgba(100,60,30,0.35),
        0 2px 6px rgba(0,0,0,0.12),
        inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

.btn-play-menu:active {
    transform: scale(0.97) translateY(0);
    box-shadow:
        0 2px 8px rgba(100,60,30,0.25),
        inset 0 1px 2px rgba(0,0,0,0.1);
}

.btn-play-text {
    position: relative;
    z-index: 1;
}

.btn-play-arrow {
    position: relative;
    z-index: 1;
    font-size: 1.4rem;
    font-weight: 300;
    opacity: 0.6;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-play-menu:hover .btn-play-arrow {
    transform: translateX(3px);
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    color: #6a4a30;
    border: 2px solid #8b6a48;
}

.btn-ghost {
    background: transparent;
    border: 1px solid rgba(120,80,40,0.2);
    color: rgba(90,60,35,0.5);
    padding: 10px 32px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    animation: menuFadeIn 0.6s ease-out 1.3s both;
}

.btn-ghost:hover {
    border-color: rgba(120,80,40,0.4);
    color: rgba(90,60,35,0.7);
    background: rgba(120,80,40,0.05);
}

.menu-secondary {
    min-height: 40px;
}

/* Bottom bar */
.menu-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    z-index: 1;
    animation: menuFadeIn 1s ease-out 1.5s both;
}

.menu-bottom-left,
.menu-bottom-right {
    flex: 0 0 auto;
}

.menu-bottom-center {
    flex: 1;
    text-align: center;
}

.menu-version {
    font-size: 0.7rem;
    color: rgba(120,90,50,0.25);
    letter-spacing: 1px;
}

.menu-icon-btn {
    background: none;
    border: 1px solid rgba(120,80,40,0.12);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: rgba(90,60,35,0.3);
    transition: all 0.2s ease;
    padding: 0;
}

.menu-icon-btn:hover {
    color: rgba(90,60,35,0.55);
    border-color: rgba(120,80,40,0.25);
    background: rgba(120,80,40,0.05);
}

.menu-icon-btn:active {
    transform: scale(0.92);
}

/* === MENU ANIMATIONS === */
@keyframes menuFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes menuLogoEnter {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes menuTitleEnter {
    from {
        opacity: 0;
        transform: translateY(15px);
        letter-spacing: 8px;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: 2px;
    }
}

@keyframes menuButtonEnter {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes btnShimmer {
    0% { left: -100%; }
    30% { left: 100%; }
    100% { left: 100%; }
}

.btn-back {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #5c3d2e;
    cursor: pointer;
    padding: 8px;
}

/* === CHAPTER/LEVEL SELECT === */
#screen-chapters {
    background:
        linear-gradient(180deg, rgba(240,228,200,0.45) 0%, rgba(220,200,170,0.5) 100%),
        url('../assets/backgrounds/bg-final.jpg') center/cover no-repeat;
}

#screen-levels {
    background:
        linear-gradient(180deg, rgba(240,228,200,0.45) 0%, rgba(220,200,170,0.5) 100%),
        url('../assets/backgrounds/bg-final.jpg') center/cover no-repeat;
}

/* === STORY CARD === */
#screen-story {
    background: linear-gradient(180deg, var(--theme-bg-top) 0%, var(--theme-bg-bottom) 100%);
    padding: 0;
}

.story-card {
    --chapter-color: #d4a843;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.story-card > *:last-child {
    padding-bottom: env(safe-area-inset-bottom, 20px);
}

.story-image-container {
    position: relative;
    width: 100%;
    min-height: 180px;
    max-height: 30vh;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #0e0e16 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Short iPhones (SE, mini) — shrink the hero image further so the
   "Seviyelere Git" / "Go to Levels" CTA stays close to the viewport. */
@media (max-height: 720px) {
    .story-image-container { min-height: 140px; max-height: 24vh; }
}

.story-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.story-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--theme-bg-bottom) 0%, transparent 100%);
}

/* Placeholder when no image: show a themed gradient */
.story-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(212,168,67,0.15) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.story-content {
    padding: 24px 24px 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.story-title {
    font-size: 1.8rem;
    color: var(--theme-ink);
    text-shadow: none;
    margin: 0;
}

.story-period {
    font-size: 0.85rem;
    color: color-mix(in srgb, var(--theme-ink) 58%, white);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: -8px 0 0;
}

.story-text {
    font-size: 0.95rem;
    color: color-mix(in srgb, var(--theme-ink) 84%, white);
    line-height: 1.6;
    margin: 0;
}

.story-mystery {
    font-size: 1rem;
    color: var(--theme-ink);
    font-style: italic;
    line-height: 1.5;
    padding: 12px 16px;
    border-left: 3px solid var(--theme-accent);
    background: color-mix(in srgb, var(--theme-accent) 10%, white);
    border-radius: 0 8px 8px 0;
    margin: 4px 0;
}

.story-back {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 10;
    background: rgba(0,0,0,0.3);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.story-body {
    padding: 18px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
@media (max-height: 720px) {
    .story-body { padding: 12px 18px 16px; gap: 8px; }
    .story-title { font-size: 1.45rem; }
    .story-text { font-size: 0.88rem; line-height: 1.45; }
    .story-mystery { font-size: 0.92rem; padding: 8px 12px; }
    .story-fact { padding: 4px 10px; font-size: 0.75rem; }
}

.story-divider {
    width: 60px;
    height: 2px;
    background: var(--theme-accent);
    opacity: 0.4;
    margin: 4px 0;
}

.story-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 4px 0;
}

.story-fact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.04);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--theme-ink);
}

.story-fact-icon {
    font-size: 1rem;
}

.story-play-btn {
    align-self: center;
    margin-top: 8px;
    padding: 14px 48px;
    font-size: 1.1rem;
    border-radius: 50px;
    width: 100%;
    max-width: 280px;
    /* Stick the CTA to the bottom of the scroll viewport so the user can
       tap it without scrolling past the full story on short phones. */
    position: sticky;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
    z-index: 2;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.screen-header {
    width: 100%;
    display: flex;
    align-items: center;
    padding: calc(env(safe-area-inset-top, 0px) + 16px) calc(env(safe-area-inset-right, 0px) + 16px) 16px calc(env(safe-area-inset-left, 0px) + 16px);
    gap: 12px;
    border-bottom: 1px solid var(--theme-border);
}

.screen-header h2 {
    font-size: 1.3rem;
    color: var(--theme-ink);
}

.chapter-list {
    width: 100%;
    padding: 16px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chapter-card {
    display: flex;
    align-items: center;
    padding: 16px;
    border-radius: 12px;
    background: var(--theme-surface);
    border: 1px solid var(--theme-border);
    box-shadow: 0 2px 8px rgba(100,70,30,0.1);
    cursor: pointer;
    transition: transform 0.1s, background 0.15s;
    gap: 16px;
}

.chapter-card:active {
    transform: scale(0.98);
    background: rgba(255,255,255,0.7);
}

.chapter-card.locked {
    opacity: 0.35;
    cursor: not-allowed;
}

.chapter-thumb {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
    border: 1px solid var(--theme-border);
}

.chapter-card.locked .chapter-thumb {
    filter: grayscale(1) brightness(0.5);
}

.chapter-card.completed .chapter-number {
    border: 2px solid #d4a843;
    box-shadow: 0 0 8px rgba(212, 168, 67, 0.3);
}

.chapter-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 0 12px rgba(0,0,0,0.3);
}

.chapter-info {
    flex: 1;
}

.chapter-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--theme-ink);
}

.chapter-difficulty {
    font-size: 0.85rem;
    color: color-mix(in srgb, var(--theme-ink) 58%, white);
}

.chapter-lock-icon {
    font-size: 1.3rem;
    color: #b0a088;
}

.level-list {
    width: 100%;
    flex: 1;
    overflow-y: auto;
    position: relative;
}

/* === LEVEL PATH MAP === */
.level-path {
    position: relative;
    width: 100%;
    min-height: 640px;
    padding: 20px 0;
}

.level-path-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.level-node {
    position: absolute;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: transform 0.15s;
    z-index: 2;
}

.level-node:active {
    transform: translateX(-50%) scale(0.95);
}

.level-node-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: bold;
    transition: box-shadow 0.3s;
}

.level-node.current .level-node-circle {
    background: linear-gradient(135deg, var(--theme-accent), var(--theme-ink));
    color: #f9f3eb;
    box-shadow: 0 3px 12px var(--theme-accent-soft), 0 0 0 3px rgba(255,255,255,0.3);
    animation: levelPulse 2s ease-in-out infinite;
}

.level-node.completed .level-node-circle {
    background: linear-gradient(135deg, #6b9b6b, #4a7a4a);
    color: #f0f8f0;
    box-shadow: 0 2px 8px rgba(60,100,60,0.25);
}

/* Next-up indicator: the level the player should tap to resume. Strong
   pulsing glow so it stands out from completed (green, dim) and other
   uncompleted (currently-styled current). Combined with a floating
   "OYNAT / PLAY" arrow above the circle for unmistakable affordance. */
.level-node.next-up .level-node-circle {
    background: linear-gradient(135deg, #ffb84d, #ff8a3d);
    color: #2a1a0a;
    box-shadow: 0 0 0 4px rgba(255,184,77,0.45), 0 4px 18px rgba(255,138,61,0.6);
    animation: nextUpPulse 1.6s ease-in-out infinite;
    transform: scale(1.06);
}
.level-node.next-up::before {
    content: '\25BC';
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    color: #ff8a3d;
    font-size: 18px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.25);
    animation: nextUpBounce 1s ease-in-out infinite;
    pointer-events: none;
}
@keyframes nextUpPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(255,184,77,0.45), 0 4px 18px rgba(255,138,61,0.6); }
    50%      { box-shadow: 0 0 0 8px rgba(255,184,77,0.20), 0 4px 28px rgba(255,138,61,0.85); }
}
@keyframes nextUpBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(-4px); }
}

@keyframes levelPulse {
    0%, 100% { box-shadow: 0 3px 12px var(--theme-accent-soft), 0 0 0 3px rgba(255,255,255,0.3); }
    50% { box-shadow: 0 3px 20px var(--theme-accent-soft), 0 0 0 5px rgba(255,255,255,0.15); }
}

.level-node-name {
    font-size: 0.75rem;
    color: var(--theme-ink);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(255,255,255,0.5);
}

.level-node-stars {
    font-size: 0.65rem;
    color: #d4a843;
    letter-spacing: 1px;
}

.level-node.boss .level-node-circle {
    width: 64px;
    height: 64px;
    font-size: 1.6rem;
    background: linear-gradient(135deg, #c89838, #8a5a1a);
    color: #fffbe8;
    box-shadow: 0 4px 18px rgba(200,150,50,0.5), 0 0 0 4px rgba(255,220,120,0.35);
}

.level-node.locked-boss {
    filter: grayscale(0.6);
    cursor: not-allowed;
}

.level-node.locked-boss .level-node-circle {
    background: linear-gradient(135deg, #6d6050, #403830);
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    animation: none;
    opacity: 0.75;
}

.level-node.locked-boss:active {
    transform: translateX(-50%);
}

.level-node-gate {
    font-size: 0.7rem;
    color: #7a5a2a;
    background: rgba(255,240,200,0.85);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    margin-top: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

body.dark-mode .level-node-gate {
    background: rgba(60,50,35,0.85);
    color: #e8c878;
}

.level-thumb {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.1);
    margin-top: 2px;
}

body.dark-mode .level-node-name {
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

/* === GAME SCREEN === */
#screen-game {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top, var(--theme-accent-soft) 0%, transparent 32%),
        linear-gradient(180deg, var(--theme-bg-top) 0%, var(--theme-bg-bottom) 100%);
}

#screen-game::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 18%, var(--theme-pattern) 0 2px, transparent 2px 42px),
        linear-gradient(135deg, transparent 0 47%, color-mix(in srgb, var(--theme-pattern) 55%, transparent) 47% 53%, transparent 53% 100%);
    background-size: 44px 44px, 120px 120px;
    opacity: 0.35;
}

body[data-theme='ottoman'] #screen-game {
    background:
        radial-gradient(circle at 50% 0%, rgba(200,135,39,0.18) 0%, transparent 28%),
        linear-gradient(180deg, var(--theme-bg-top) 0%, var(--theme-bg-bottom) 100%);
}

body[data-theme='ottoman'] #screen-game::before {
    background:
        radial-gradient(circle at 50% 16%, rgba(13,108,103,0.16) 0 3px, transparent 3px 44px),
        repeating-linear-gradient(90deg, transparent 0 54px, rgba(83,27,49,0.06) 54px 56px, transparent 56px 112px),
        linear-gradient(135deg, transparent 0 46%, rgba(200,135,39,0.1) 46% 54%, transparent 54% 100%);
    background-size: 48px 48px, 112px 112px, 160px 160px;
    opacity: 0.5;
}

body[data-theme='ottoman'] #screen-game::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 160px;
    pointer-events: none;
    background:
        radial-gradient(circle at 15% 110%, rgba(83,27,49,0.09) 0 52px, transparent 53px),
        radial-gradient(circle at 35% 110%, rgba(83,27,49,0.08) 0 60px, transparent 61px),
        radial-gradient(circle at 50% 112%, rgba(83,27,49,0.12) 0 78px, transparent 79px),
        radial-gradient(circle at 65% 110%, rgba(83,27,49,0.08) 0 60px, transparent 61px),
        radial-gradient(circle at 85% 110%, rgba(83,27,49,0.09) 0 52px, transparent 53px);
    opacity: 0.8;
}

body[data-theme='ottoman'] .game-header {
    background:
        linear-gradient(180deg, rgba(255,248,242,0.92) 0%, rgba(255,248,242,0.24) 100%);
    box-shadow: 0 10px 24px rgba(83,27,49,0.08);
}

body[data-theme='ottoman'] .difficulty-badge {
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

body[data-theme='ottoman'] .level-card.current {
    background:
        linear-gradient(135deg, #0d6c67 0%, #531b31 100%);
    box-shadow:
        0 3px 14px rgba(13,108,103,0.2),
        inset 0 1px 0 rgba(255,255,255,0.18);
}

.game-header {
    position: relative;
    z-index: 1;
    width: 100%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: calc(env(safe-area-inset-top, 0px) + 6px) calc(env(safe-area-inset-right, 0px) + 16px) 6px calc(env(safe-area-inset-left, 0px) + 16px);
    justify-content: space-between;
    border-bottom: 1px solid var(--theme-border);
    background: linear-gradient(180deg, var(--theme-surface-strong) 0%, transparent 100%);
}

.level-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#level-name {
    font-size: 1.45rem;
    font-weight: bold;
    color: var(--theme-ink);
    letter-spacing: 0.5px;
    line-height: 1.15;
}

.difficulty-badge {
    font-size: 0.9rem;
    color: var(--theme-accent);
    letter-spacing: 0.5px;
}

.btn-hint {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--theme-border);
    background: color-mix(in srgb, var(--theme-surface) 78%, white);
    color: var(--theme-ink);
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-hint:active {
    background: rgba(100,70,40,0.2);
}

.game-stats {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 4px 8px 6px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
}
.game-stats::-webkit-scrollbar { display: none; }
/* Egypt pilot: preserve the board geometry, give controls their own row. */
body[data-chapter="1"] .game-stats {
    width: calc(100% - 20px);
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 8px 6px;
    margin: 0 10px 8px;
    padding: 10px 8px;
    border: 1px solid var(--theme-border);
    border-radius: 14px;
    background: var(--theme-surface-strong);
    overflow: visible;
}
body[data-chapter="1"] .game-stats .lives-display { grid-column: span 3; justify-content: center; }
body[data-chapter="1"] .game-stats .stat-item { grid-column: span 3; }
body[data-chapter="1"] .game-stats .stat-item:nth-child(3) { display: none; }
body[data-chapter="1"] .game-stats .stat-item.combo-stat-active { display: flex; grid-column: 1 / -1; grid-row: 3; }
body[data-chapter="1"] .game-stats .stat-undo,
body[data-chapter="1"] .game-stats .stat-powerup {
    grid-column: span 4;
    justify-self: center;
    width: 44px;
    height: 44px;
}
body[data-chapter="1"] .game-stats .stat-label { color: var(--theme-ink); font-size: .72rem; letter-spacing: .3px; }
body[data-chapter="1"] .game-header { padding-bottom: 10px; }
body[data-chapter="1"] .story-body { padding: 22px 24px 28px; gap: 14px; }
body[data-chapter="1"] .story-title { font-size: 1.7rem; line-height: 1.2; }
body[data-chapter="1"] .story-period { color: var(--theme-ink); font-size: .85rem; }
body[data-chapter="1"] .story-text { color: var(--theme-ink); font-size: 1rem; line-height: 1.65; }
body[data-chapter="1"] .story-mystery { color: var(--theme-ink); font-style: normal; line-height: 1.55; }
body[data-chapter="1"] .story-play-btn { min-height: 48px; position: static; }
body[data-chapter="1"] #overlay-complete .overlay-content {
    max-width: 360px;
    max-height: calc(100vh - 48px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    max-height: calc(100dvh - 48px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    padding: 24px;
    gap: 14px;
}
.complete-story {
    padding: 14px 16px;
    border: 1px solid var(--theme-border);
    border-radius: 12px;
    background: var(--theme-surface-strong);
    text-align: left;
}
.complete-story h3 { font-size: .9rem; color: var(--theme-ink); margin-bottom: 6px; }
.overlay-content .complete-story p { font-size: .92rem; line-height: 1.55; color: var(--theme-ink); }
@media (max-height: 720px) {
    body[data-chapter="1"] .story-body { padding: 16px 20px 22px; gap: 12px; }
    body[data-chapter="1"] .story-title { font-size: 1.5rem; }
    body[data-chapter="1"] .story-text { font-size: .95rem; line-height: 1.55; }
    body[data-chapter="1"] .game-stats { gap: 6px; padding: 6px; margin-bottom: 4px; }
}
@media (max-width: 480px) {
    .game-stats { gap: 8px; padding: 4px 8px 6px; }
    .game-stats .stat-item { gap: 2px; }
    .game-stats .stat-label { font-size: 0.7rem; }
    .game-stats .stat-value { font-size: 1.05rem; }
    .stat-undo, .stat-powerup { width: 36px; height: 36px; font-size: 1.1rem; }
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-label {
    font-size: 0.75rem;
    color: color-mix(in srgb, var(--theme-ink) 45%, white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--theme-ink);
}

.combo-badge {
    font-size: 1rem;
    font-weight: bold;
    color: var(--theme-accent);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
}

.combo-badge.active {
    opacity: 1;
    animation: comboPop 0.3s ease;
}

@keyframes comboPop {
    0% { transform: scale(0.5); }
    60% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.stat-undo {
    background: var(--theme-accent, #a07030);
    color: white;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    transition: transform 0.12s, opacity 0.2s;
}
.stat-undo:active:not(:disabled) { transform: scale(0.9); }
.stat-undo:disabled { cursor: not-allowed; }

.stat-powerup {
    background: rgba(255,255,255,0.9);
    color: var(--theme-ink, #333);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.12);
    transition: transform 0.12s, opacity 0.2s;
}
.stat-powerup:active:not(:disabled) { transform: scale(0.9); }
.stat-powerup:disabled { cursor: not-allowed; }

.mode-selector {
    display: flex;
    gap: 8px;
    justify-content: center;
    padding: 10px 16px 4px;
}
.mode-btn {
    background: rgba(255,255,255,0.75);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 14px;
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--theme-ink, #333);
    cursor: pointer;
    transition: transform 0.12s, background 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.mode-btn:hover { transform: translateY(-1px); }
.mode-btn.active {
    background: var(--theme-accent, #a07030);
    color: #fff;
    border-color: var(--theme-accent);
}
.mode-btn .mode-icon { font-size: 1.1rem; }

.mode-info-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.12);
    background: rgba(255,255,255,0.9);
    color: var(--theme-accent, #a07030);
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    margin-left: 4px;
    transition: transform 0.15s, box-shadow 0.15s;
}
.mode-info-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
body.dark-mode .mode-info-btn {
    background: rgba(60,55,45,0.9);
    color: #e0c480;
    border-color: rgba(255,255,255,0.12);
}

.modes-info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 18px 0 22px;
    text-align: left;
}
.mode-info-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 10px 12px;
    background: rgba(0,0,0,0.04);
    border-radius: 12px;
}
.mode-info-icon { font-size: 1.6rem; line-height: 1.2; }
.mode-info-title { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.mode-info-text { font-size: 0.88rem; line-height: 1.4; color: color-mix(in srgb, var(--theme-ink, #333) 80%, white); }
body.dark-mode .mode-info-row { background: rgba(255,255,255,0.05); }
body.dark-mode .mode-btn {
    background: rgba(60,55,45,0.85);
    color: #f0e4c8;
    border-color: rgba(255,255,255,0.1);
}
body.dark-mode .stat-powerup {
    background: rgba(60,55,45,0.9);
    color: #f0e4c8;
    border-color: rgba(255,255,255,0.1);
}

.timer-freeze-pulse {
    animation: freezePulse 0.9s ease-out;
    color: #4ab8f0 !important;
}
@keyframes freezePulse {
    0% { text-shadow: 0 0 0 rgba(80,180,240,0); transform: scale(1); }
    40% { text-shadow: 0 0 14px rgba(80,180,240,0.9); transform: scale(1.15); }
    100% { text-shadow: 0 0 0 rgba(80,180,240,0); transform: scale(1); }
}
.stat-undo-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #fff;
    color: var(--theme-ink, #333);
    font-size: 0.65rem;
    font-weight: bold;
    border-radius: 10px;
    padding: 1px 5px;
    min-width: 14px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Combo heat glow — progressively warms the game canvas background as combos climb.
   Applied via body class set from game.js. */
.game-canvas-combo-3 { box-shadow: inset 0 0 60px rgba(255,170,60,0.18); }
.game-canvas-combo-5 { box-shadow: inset 0 0 80px rgba(255,120,40,0.28); }
.game-canvas-combo-8 { box-shadow: inset 0 0 100px rgba(255,60,30,0.36); animation: comboPulse 0.8s infinite alternate; }

@keyframes comboPulse {
    from { filter: saturate(1); }
    to   { filter: saturate(1.2) brightness(1.05); }
}

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

.life-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    transition: background 0.3s, box-shadow 0.3s;
}

.life-icon.alive {
    background: radial-gradient(circle at 40% 35%, color-mix(in srgb, var(--theme-life) 68%, white), var(--theme-life));
    box-shadow: 0 1px 6px var(--theme-life-shadow);
}

.life-icon.dead {
    background: rgba(0,0,0,0.08);
    box-shadow: none;
}

#game-canvas {
    width: 100%;
    flex: 1 1 0;
    min-height: 0;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* === OVERLAYS === */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(60,40,20,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: overlayFadeIn 0.3s ease;
}

.overlay.hidden {
    display: none;
}

@keyframes overlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.overlay-content {
    animation: overlaySlideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes overlaySlideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.overlay-content {
    background: linear-gradient(180deg, #f5ecd8 0%, #e8dcc0 100%);
    border: 1px solid rgba(140,110,70,0.2);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    max-width: 320px;
    width: 90%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 8px 24px rgba(60,40,20,0.25);
}

.overlay-content h2 {
    color: #5c3d2e;
}

.stars-display {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.star {
    font-size: 2.2rem;
    transition: transform 0.3s;
}

.star.filled {
    color: #d4a843;
    text-shadow: 0 2px 8px rgba(212,168,67,0.4);
}

.star.empty {
    color: rgba(120,90,50,0.2);
}

.complete-score {
    font-size: 1.4rem;
    font-weight: bold;
    color: #5c3d2e;
}

.complete-stats {
    font-size: 0.8rem;
    color: #8a7060;
    line-height: 1.4;
}

.overlay-content p {
    color: #7a6a50;
}

/* Mobile responsive */
@media (max-width: 480px) {
    .game-title {
        font-size: 2rem;
    }

    .game-subtitle {
        font-size: 0.8rem;
        letter-spacing: 4px;
    }

    .menu-tagline {
        font-size: 0.7rem;
    }

    .btn-play-menu {
        padding: 14px 44px;
        font-size: 1.1rem;
    }

    .menu-logo-icon svg {
        width: 52px;
        height: 52px;
    }

    .chapter-card {
        padding: 12px;
    }

    .level-card {
        width: 70px;
        height: 70px;
        font-size: 1.3rem;
    }

    .game-header {
        padding: 8px 12px;
    }
}

/* Desktop: constrain menu content width */
@media (min-width: 768px) {
    .menu-content {
        max-width: 500px;
    }

    .btn-play-menu {
        padding: 18px 64px;
        font-size: 1.3rem;
    }

    .game-title {
        font-size: 3rem;
    }

    .menu-logo-icon svg {
        width: 80px;
        height: 80px;
    }
}

/* Prevent text selection on game elements */
#app {
    user-select: none;
    -webkit-user-select: none;
}

/* Safe area for notched phones (iOS) */
@supports (padding-top: env(safe-area-inset-top)) {
    .screen-header {
        padding-top: calc(16px + env(safe-area-inset-top));
    }
    /* Game header keeps a tighter top inset — every px eaten here is a px
       the canvas can't use on small iPhones. */
    .game-header {
        padding-top: calc(6px + env(safe-area-inset-top));
    }

    .lives-display {
        padding-top: 2px;
    }

    #screen-menu {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }

    #screen-story .story-content {
        padding-bottom: calc(40px + env(safe-area-inset-bottom));
    }

    .overlay-content {
        margin-bottom: env(safe-area-inset-bottom);
    }
}

/* Countdown timer urgency */
.timer-warning {
    color: #c04030 !important;
    animation: timerPulse 500ms ease-in-out infinite;
}

.timer-critical {
    color: #ff1a1a !important;
    font-weight: bold;
    animation: timerPulse 300ms ease-in-out infinite;
    font-size: 1.1em;
}

/* Move limit urgency (daily 'moves' modifier) — mirrors timer urgency. */
.moves-warning {
    color: #c04030 !important;
    animation: timerPulse 500ms ease-in-out infinite;
}

.moves-critical {
    color: #ff1a1a !important;
    font-weight: bold;
    animation: timerPulse 300ms ease-in-out infinite;
    font-size: 1.1em;
}

/* Daily challenge modifier badge — shown above the game stats row. */
.daily-modifier-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 6px auto 4px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
    max-width: fit-content;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.daily-modifier-badge em {
    font-style: normal;
    background: rgba(255, 255, 255, 0.25);
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 0.7rem;
}

.daily-modifier-badge.hidden {
    display: none;
}

body.dark-mode .daily-modifier-badge {
    background: linear-gradient(135deg, #e55a2b, #d17a0a);
    box-shadow: 0 2px 8px rgba(209, 122, 10, 0.45);
}

.daily-fail-streak-note {
    color: #2a9d3f;
    font-size: 0.85rem;
    font-weight: 500;
    margin: 4px 0 12px;
}

body.dark-mode .daily-fail-streak-note {
    color: #4ade80;
}

@keyframes timerPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Star reveal animation */
.star-animate {
    animation: starReveal 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes starReveal {
    0% { transform: scale(0) rotate(-180deg); opacity: 0; }
    60% { transform: scale(1.3) rotate(10deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.chapter-stars {
    font-size: 0.75em;
    color: var(--theme-accent);
    margin-top: 2px;
}

/* === MENU BOTTOM BUTTONS === */
.btn-menu-secondary {
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* Remove-Ads CTA on the main menu — golden, slightly smaller than the
   primary Play button so it reads as a secondary-but-discoverable upsell.
   Hidden via .hidden when the user already owns premium. */
.btn-remove-ads {
    background: linear-gradient(135deg, #d4a843 0%, #b07820 100%);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    font-weight: 700;
    letter-spacing: 0.3px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.35);
    box-shadow: 0 4px 14px rgba(176,120,32,0.35);
}
.btn-remove-ads:hover { filter: brightness(1.06); }

.menu-bottom-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    max-width: 360px;
}

.btn-menu-icon {
    padding: 9px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

body.dark-mode .btn-menu-icon {
    background: rgba(255,255,255,0.08);
    border-color: rgba(200,170,120,0.15);
}

/* === CHAPTER PROGRESS BAR === */
.chapter-progress {
    width: 100%;
    height: 4px;
    background: rgba(0,0,0,0.06);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

.chapter-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--theme-accent), #d4a843);
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* === ACHIEVEMENTS === */
.overlay-large {
    max-width: 380px;
    max-height: 80vh;
    overflow-y: auto;
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    max-height: 50vh;
    overflow-y: auto;
}

.ach-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(0,0,0,0.03);
    transition: opacity 0.3s;
}

.ach-item.locked {
    opacity: 0.4;
}

.ach-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.ach-info {
    flex: 1;
    text-align: left;
}

.ach-name {
    font-weight: bold;
    font-size: 0.95rem;
    color: var(--theme-ink);
}

.ach-desc {
    font-size: 0.8rem;
    opacity: 0.7;
}

body.dark-mode .ach-item {
    background: rgba(255,255,255,0.05);
}

/* === COLLECTION === */
.collection-hint, .leaderboard-hint {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 8px;
}
.collection-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
    max-height: 55vh;
    overflow-y: auto;
}
.collection-item {
    background: rgba(0,0,0,0.04);
    border-radius: 14px;
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: transform 0.15s;
}
.collection-item.collected {
    background: linear-gradient(135deg, rgba(240,215,130,0.35), rgba(200,150,70,0.25));
    box-shadow: 0 2px 10px rgba(200,150,50,0.25);
}
.collection-item.locked { opacity: 0.55; }
.collection-icon { font-size: 2.2rem; line-height: 1; }
.collection-name { font-weight: 700; font-size: 0.85rem; color: var(--theme-ink); }
.collection-chapter { font-size: 0.7rem; opacity: 0.7; }
.collection-progress { font-size: 0.7rem; color: #b8860b; font-weight: 600; }
body.dark-mode .collection-item { background: rgba(255,255,255,0.05); }
body.dark-mode .collection-item.collected { background: linear-gradient(135deg, rgba(240,215,130,0.22), rgba(180,130,60,0.2)); }

/* === LEADERBOARD === */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    max-height: 55vh;
    overflow-y: auto;
}
.leaderboard-row {
    display: grid;
    grid-template-columns: 40px 1fr auto auto;
    gap: 10px;
    align-items: center;
    padding: 10px 12px;
    background: rgba(0,0,0,0.04);
    border-radius: 10px;
    font-size: 0.85rem;
}
.leaderboard-row.top {
    background: linear-gradient(135deg, rgba(240,215,130,0.4), rgba(220,180,90,0.25));
    font-weight: 700;
}
.lb-rank { font-size: 1.1rem; text-align: center; }
.lb-date { opacity: 0.85; font-variant-numeric: tabular-nums; }
.lb-stars { color: #d4a843; letter-spacing: 1px; }
.lb-score { font-weight: 700; color: var(--theme-accent); font-variant-numeric: tabular-nums; }
.leaderboard-empty { text-align: center; opacity: 0.6; padding: 20px; }
body.dark-mode .leaderboard-row { background: rgba(255,255,255,0.05); }

/* Achievement toast notification */
.ach-toast {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: linear-gradient(135deg, #f5ecd8, #e8dcc0);
    border: 1px solid rgba(140,110,70,0.2);
    border-radius: 14px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(60,40,20,0.25);
    z-index: 200;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ach-toast.show {
    transform: translateX(-50%) translateY(0);
}

.ach-toast.hidden {
    display: none;
}

body.dark-mode .ach-toast {
    background: linear-gradient(135deg, #1e1e32, #141424);
    border-color: rgba(200,170,120,0.15);
}

.ach-toast-icon {
    font-size: 1.5rem;
}

.ach-toast-text {
    display: flex;
    flex-direction: column;
}

.ach-toast-text strong {
    font-size: 0.9rem;
    color: var(--theme-ink);
}

.ach-toast-text span {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* === SETTINGS === */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--theme-border);
    font-size: 0.95rem;
    color: var(--theme-ink);
}

.setting-row.danger {
    border-bottom: none;
}

.setting-toggle {
    width: 48px;
    height: 28px;
    border-radius: 14px;
    border: none;
    background: rgba(0,0,0,0.1);
    cursor: pointer;
    position: relative;
    transition: background 0.3s;
}

.setting-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.setting-toggle.active {
    background: var(--theme-accent);
}

.setting-toggle.active::after {
    transform: translateX(20px);
}

.setting-value {
    padding: 6px 14px;
    border: 1px solid var(--theme-border);
    border-radius: 8px;
    background: transparent;
    color: var(--theme-ink);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
}

.setting-buy {
    padding: 8px 16px;
    font-size: 0.85rem;
    min-height: auto;
}

.setting-danger {
    color: #c04030;
    border-color: #c04030;
    padding: 8px 16px;
    font-size: 0.85rem;
    min-height: auto;
}

.settings-version {
    font-size: 0.75rem;
    opacity: 0.4;
    margin-top: 8px;
}

/* === BANNER AD === */
.banner-ad {
    width: 100%;
    height: calc(54px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: linear-gradient(180deg, rgba(0,0,0,0.03) 0%, rgba(0,0,0,0.06) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-top: 1px solid var(--theme-border);
}

.banner-ad-label {
    font-size: 0.8rem;
    color: var(--theme-ink);
    opacity: 0.25;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px dashed rgba(0,0,0,0.1);
    padding: 4px 16px;
    border-radius: 4px;
}

body.dark-mode .banner-ad {
    background: rgba(255,255,255,0.03);
}

/* Premium users: hide banner */
body.premium .banner-ad {
    display: none;
}

/* === ZOOM HINT === */
.zoom-hint {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    z-index: 5;
    animation: zoomHintFade 3s ease forwards;
    pointer-events: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.zoom-hint.hidden { display: none; }

/* === LOADING SKELETON === */
.skeleton {
    background: linear-gradient(90deg,
        rgba(0,0,0,0.04) 25%,
        rgba(0,0,0,0.08) 50%,
        rgba(0,0,0,0.04) 75%
    );
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}

body.dark-mode .skeleton {
    background: linear-gradient(90deg,
        rgba(255,255,255,0.04) 25%,
        rgba(255,255,255,0.08) 50%,
        rgba(255,255,255,0.04) 75%
    );
    background-size: 200% 100%;
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-chapter {
    height: 60px;
    margin: 8px 16px;
}

.skeleton-level {
    width: 52px;
    height: 52px;
    border-radius: 50%;
}

@keyframes zoomHintFade {
    0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
    15% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

/* === CONFETTI CELEBRATION === */
.confetti-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 150;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    top: -10px;
    animation: confettiFall linear forwards;
}

@keyframes confettiFall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    80% { opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* === First-launch language picker === */
.overlay.first-launch {
    background: rgba(30,20,10,0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.overlay.first-launch .overlay-content {
    max-width: 340px;
    padding: 28px 22px calc(22px + env(safe-area-inset-bottom));
}
.overlay.first-launch .lang-picker h2 {
    font-size: 1.4rem;
    margin-bottom: 18px;
    text-align: center;
}
.overlay.first-launch .lang-option {
    padding: 16px 20px;
    font-size: 1.05rem;
    min-height: 52px;
}

/* === iOS Install Banner === */
.ios-install-banner {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, #f5ecd8 0%, #e8dcc0 100%);
    border: 1px solid rgba(140,110,70,0.3);
    border-radius: 16px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    z-index: 200;
    transform: translateY(calc(100% + 24px));
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ios-install-banner.show { transform: translateY(0); }
.ios-install-banner.hidden { display: none; }
.ios-install-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
}
.ios-install-text { flex: 1; min-width: 0; }
.ios-install-text strong {
    font-size: 0.95rem;
    color: var(--theme-ink);
    display: block;
    margin-bottom: 2px;
}
.ios-install-text p {
    font-size: 0.78rem;
    color: var(--theme-ink);
    opacity: 0.75;
    margin: 2px 0;
}
.ios-install-steps {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem !important;
    opacity: 0.9 !important;
}
.ios-share-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 22px;
    border: 1.5px solid var(--theme-accent);
    border-radius: 4px;
    border-top: none;
    position: relative;
    color: var(--theme-accent);
    font-size: 0.9rem;
    line-height: 1;
    padding-top: 1px;
}
.ios-install-close {
    background: rgba(0,0,0,0.08);
    border: none;
    color: var(--theme-ink);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
body.dark-mode .ios-install-banner {
    background: linear-gradient(180deg, #2a2a3e 0%, #1f1f2e 100%);
    border-color: rgba(255,255,255,0.1);
}
body.dark-mode .ios-install-close {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

/* === Rate Us Modal === */
#overlay-rate .overlay-content {
    text-align: center;
    max-width: 320px;
}
.rate-subtitle {
    font-size: 0.9rem;
    color: var(--theme-ink);
    opacity: 0.75;
    margin: 4px 0 20px;
}
.rate-stars {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin: 8px 0 20px;
}
.rate-star {
    background: none;
    border: none;
    font-size: 2.4rem;
    line-height: 1;
    color: #cbb68a;
    cursor: pointer;
    padding: 6px;
    transition: transform 0.15s;
    -webkit-tap-highlight-color: transparent;
}
.rate-star.filled { color: #f4c542; }
.rate-star:active { transform: scale(1.2); }

/* === Settings Legal Links === */
.settings-legal {
    margin-top: 20px;
    text-align: center;
    font-size: 0.85em;
}
.settings-legal a {
    color: #6a4028;
    text-decoration: underline;
    padding: 4px 6px;
    -webkit-tap-highlight-color: transparent;
}
body.dark-mode .settings-legal a { color: #d4a843; }
.settings-legal-sep {
    color: #999;
    margin: 0 4px;
}

/* === Premium Paywall === */
.premium-subtitle {
    text-align: center;
    color: #666;
    margin: 8px 0 20px;
    font-size: 0.95em;
}
body.dark-mode .premium-subtitle { color: #aaa; }
.premium-benefits {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}
.premium-benefits li {
    padding: 10px 14px;
    margin: 6px 0;
    background: rgba(212, 168, 67, 0.12);
    border-radius: 8px;
    font-size: 0.95em;
}
body.dark-mode .premium-benefits li { background: rgba(212, 168, 67, 0.2); }
.premium-price {
    text-align: center;
    font-size: 2em;
    font-weight: 700;
    color: #6a4028;
    margin: 16px 0;
}
body.dark-mode .premium-price { color: #d4a843; }
.premium-legal {
    margin-top: 16px;
    text-align: center;
    font-size: 0.8em;
    color: #666;
    line-height: 1.5;
}
body.dark-mode .premium-legal { color: #999; }
.premium-legal a {
    color: #6a4028;
    text-decoration: underline;
    -webkit-tap-highlight-color: transparent;
}
body.dark-mode .premium-legal a { color: #d4a843; }