/* Spirit Aquarium - Modern Glass UI */
/* Inspired by iOS Liquid Glass design */

@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Rounded:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Glass effect variables */
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-bg-hover: rgba(255, 255, 255, 0.18);
    --glass-bg-active: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --glass-blur: 20px;
    
    /* Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    
    --accent-green: #34C759;
    --accent-yellow: #FFD60A;
    --accent-pink: #FF375F;
    --accent-blue: #0A84FF;
    --accent-orange: #FF9F0A;
    --accent-purple: #BF5AF2;
    
    /* Spacing */
    --safe-area-bottom: env(safe-area-inset-bottom, 20px);
    --safe-area-top: env(safe-area-inset-top, 20px);
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Rounded', sans-serif;
    --font-rounded: 'SF Pro Rounded', 'Inter', -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #1a2634;
    font-family: var(--font-main);
    -webkit-user-select: none;
    user-select: none;
}

/* Game container holds the canvas and receives game input */
#game-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ===== UI Layer ===== */
/* UI layer is ABOVE game container and intercepts clicks on UI elements */
#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 100;
}

/* ===== Glass Effect Mixin ===== */
/* Approximates iOS Liquid Glass with layered gradients and blur */
.glass {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.12) 100%
    );
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}

.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0) 100%
    );
    border-radius: inherit;
    pointer-events: none;
}

.glass:hover {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.2) 0%,
        rgba(255, 255, 255, 0.12) 50%,
        rgba(255, 255, 255, 0.16) 100%
    );
}

/* ===== Bottom Control Bar ===== */
.bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    padding-bottom: calc(12px + var(--safe-area-bottom));
    pointer-events: auto;
    gap: 12px;
    z-index: 1000;
    position: relative;
}

/* Score Pill */
.score-pill {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.score-pill:active {
    transform: scale(0.95);
}

.score-icon {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #00d4ff, #ffffff);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

.score-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-rounded);
}

/* Control Button Group */
.control-group {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 50px;
    overflow: hidden;
    pointer-events: auto;
}

/* ===== Lucide Icons ===== */
.icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    pointer-events: none;
}

.icon-sm {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    pointer-events: none;
}

.icon-xs {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

.icon-lg {
    width: 40px;
    height: 40px;
    stroke-width: 1.5;
    opacity: 0.5;
}

.icon-stat {
    width: 16px;
    height: 16px;
    stroke-width: 2.5;
}

.icon-stat.blue { color: var(--accent-blue); }
.icon-stat.yellow { color: var(--accent-yellow); }
.icon-stat.pink { color: var(--accent-pink); }

.icon-event {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.icon-title {
    width: 12px;
    height: 12px;
    stroke-width: 2.5;
}

.icon-title.death { color: rgba(255, 55, 95, 0.8); }
.icon-title.birth { color: var(--accent-yellow); }
.icon-title.purchased { color: rgba(100, 210, 255, 0.9); }
.icon-title.grewUp { color: rgba(52, 199, 89, 0.9); }

/* Glass Button */
.glass-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
    pointer-events: auto;
    /* Ensure touch targets are responsive */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.glass-btn:active {
    transform: scale(0.95);
}

.glass-btn.active {
    background: var(--glass-bg-active);
}

.glass-btn.active.green { background: rgba(52, 199, 89, 0.4); }
.glass-btn.active.yellow { background: rgba(255, 214, 10, 0.4); }
.glass-btn.active.pink { background: rgba(255, 55, 95, 0.4); }
.glass-btn.active.blue { background: rgba(10, 132, 255, 0.4); }

/* Badge */
.badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--accent-pink);
    color: white;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    top: calc(60px + var(--safe-area-top));
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 50px;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 9999;
    max-width: 90%;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-toast {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    color: white;
}

.toast-message {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

/* ===== Modal/Sheet System ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-sheet {
    width: 100%;
    max-width: 500px;
    max-height: 70vh;
    max-height: min(70vh, calc(100dvh - 120px));
    background: linear-gradient(
        180deg,
        rgba(38, 38, 42, 0.98) 0%,
        rgba(28, 28, 30, 0.98) 100%
    );
    backdrop-filter: blur(50px) saturate(180%);
    -webkit-backdrop-filter: blur(50px) saturate(180%);
    border-radius: 20px 20px 0 0;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 
        0 -10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    pointer-events: auto;
}

.modal-overlay.show .modal-sheet {
    transform: translateY(0);
}

/* Sheet Header */
.sheet-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.sheet-drag-indicator {
    width: 36px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.sheet-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.sheet-close {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sheet-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Sheet Content */
.sheet-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    padding-bottom: calc(20px + var(--safe-area-bottom));
    pointer-events: auto;
}

/* ===== Settings Sheet ===== */
.settings-section {
    margin-bottom: 24px;
}

.settings-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding-left: 4px;
}

.settings-section-footer {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 8px;
    padding-left: 4px;
}

.settings-list {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.settings-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.2s;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Prevent child elements from intercepting clicks */
.settings-item * {
    pointer-events: none;
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.settings-item.selected {
    background: rgba(10, 132, 255, 0.15);
}

.settings-item-icon {
    width: 32px;
    height: 32px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.settings-item-preview {
    width: 60px;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    margin-right: 12px;
}

.settings-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.settings-item-label {
    flex: 1;
    font-size: 15px;
    color: var(--text-primary);
}

.settings-item-value {
    font-size: 14px;
    color: var(--text-secondary);
    margin-right: 8px;
}

.settings-item-check {
    color: var(--accent-blue);
    font-size: 18px;
}

/* Toggle Switch */
.toggle-switch {
    width: 51px;
    height: 31px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-switch.active {
    background: var(--accent-green);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 27px;
    height: 27px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

/* Slider */
.settings-slider {
    padding: 16px;
}

.slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.slider-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-primary);
}

.slider-value {
    font-size: 14px;
    color: var(--text-secondary);
}

.slider-track {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.slider-fill {
    height: 100%;
    background: var(--accent-purple);
    border-radius: 2px;
    transition: width 0.1s;
}

.slider-thumb {
    width: 28px;
    height: 28px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: grab;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 10px;
    color: var(--text-tertiary);
}

/* Danger Button */
.danger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: transparent;
    border: none;
    color: var(--accent-pink);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 12px;
}

.danger-btn:hover {
    background: rgba(255, 55, 95, 0.1);
}

/* ===== Shop Sheet ===== */
.shop-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Prevent child elements from intercepting clicks */
.shop-item * {
    pointer-events: none;
}

.shop-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.shop-item:active {
    transform: scale(0.98);
    background: rgba(52, 199, 89, 0.2);
    border-color: var(--accent-green);
}

.shop-item.locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.shop-item.locked:active {
    transform: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: transparent;
}

.shop-item-thumb {
    position: relative;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.shop-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.shop-item.locked .shop-item-thumb img {
    filter: grayscale(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.new-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    padding: 2px 6px;
    background: var(--accent-green);
    color: white;
    font-size: 8px;
    font-weight: 700;
    border-radius: 10px;
    text-transform: uppercase;
}

.shop-item-info {
    flex: 1;
    min-width: 0;
}

.shop-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.shop-item-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.predator-badge {
    padding: 2px 8px;
    background: rgba(255, 55, 95, 0.8);
    color: white;
    font-size: 9px;
    font-weight: 600;
    border-radius: 10px;
    text-transform: uppercase;
}

.shop-item-cost {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-orange);
    margin-left: auto;
}

.shop-item.locked .shop-item-cost {
    color: var(--text-tertiary);
}

.shop-item-details {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.alive-count {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--accent-blue);
}

/* Unlock Hint */
.unlock-hint {
    text-align: center;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 12px;
}

.unlock-hint-icon {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.unlock-hint-text {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.unlock-hint-next {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ===== Spirit Memories Sheet ===== */
.stats-row {
    display: flex;
    justify-content: space-around;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 16px;
}

.stat-pill {
    text-align: center;
}

.stat-value {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 14px;
}

/* Event Row */
.event-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    margin-bottom: 12px;
}

.event-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.event-icon.death {
    background: rgba(255, 55, 95, 0.15);
}

.event-icon.birth {
    background: rgba(255, 214, 10, 0.15);
}

.event-icon.purchased {
    background: rgba(100, 210, 255, 0.15);
}

.event-icon.grewUp {
    background: rgba(52, 199, 89, 0.15);
}

.event-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.event-icon-fallback {
    font-size: 18px;
}

.event-info {
    flex: 1;
    min-width: 0;
}

.event-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.event-title-icon {
    font-size: 12px;
}

.event-title-icon.death { color: rgba(255, 55, 95, 0.8); }
.event-title-icon.birth { color: var(--accent-yellow); }
.event-title-icon.purchased { color: rgba(100, 210, 255, 0.9); }
.event-title-icon.grewUp { color: rgba(52, 199, 89, 0.9); }

.event-details {
    font-size: 12px;
    color: var(--text-secondary);
}

.event-details span {
    opacity: 0.5;
}

/* ===== Debug Info ===== */
.debug-info {
    position: fixed;
    top: calc(20px + var(--safe-area-top));
    left: 20px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    font-family: monospace;
    font-size: 12px;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 50;
    display: none;
}

.debug-info.show {
    display: block;
}

/* ===== Idle Prompt ===== */
#idlePrompt {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* ===== Confirmation Modal ===== */
.confirm-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(28, 28, 30, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 20px;
    padding: 24px;
    width: 90%;
    max-width: 320px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 200;
}

.confirm-modal.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

.confirm-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.confirm-message {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.4;
}

.confirm-buttons {
    display: flex;
    gap: 12px;
}

.confirm-btn {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.confirm-btn.cancel {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.confirm-btn.danger {
    background: var(--accent-pink);
    color: white;
}

.confirm-btn:hover {
    transform: scale(1.02);
}

.confirm-btn:active {
    transform: scale(0.98);
}

/* ===== How to Play ===== */
.how-to-play-sheet {
    max-height: 80vh;
    max-height: min(80vh, calc(100dvh - 60px));
}

.how-to-play-section {
    margin-bottom: 24px;
}

.how-to-play-section-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 4px;
}

.how-to-play-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 8px;
}

.how-to-play-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.how-to-play-icon.orange { background: rgba(255, 149, 0, 0.2); color: var(--accent-orange); }
.how-to-play-icon.green { background: rgba(52, 199, 89, 0.2); color: var(--accent-green); }
.how-to-play-icon.yellow { background: rgba(255, 214, 10, 0.2); color: var(--accent-yellow); }
.how-to-play-icon.pink { background: rgba(255, 55, 95, 0.2); color: var(--accent-pink); }
.how-to-play-icon.blue { background: rgba(0, 122, 255, 0.2); color: var(--accent-blue); }
.how-to-play-icon.cyan { background: rgba(50, 173, 230, 0.2); color: #32ADE6; }
.how-to-play-icon.red { background: rgba(255, 59, 48, 0.2); color: #FF3B30; }
.how-to-play-icon.purple { background: rgba(175, 82, 222, 0.2); color: #AF52DE; }

.how-to-play-text {
    flex: 1;
}

.how-to-play-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.how-to-play-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Settings item with chevron */
.settings-item.clickable {
    cursor: pointer;
}

.settings-item.clickable:hover {
    background: rgba(255, 255, 255, 0.1);
}

.settings-item .chevron {
    color: var(--text-tertiary);
    margin-left: auto;
}

.settings-item-icon .blue {
    color: var(--accent-blue);
}

/* ===== Welcome Tooltip ===== */
.welcome-tooltip {
    position: fixed;
    bottom: calc(80px + var(--safe-area-bottom));
    left: 20px;
    z-index: 9998;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.welcome-tooltip.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.tooltip-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tooltip-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 122, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
}

.tooltip-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tooltip-title {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
}

.tooltip-message {
    font-size: 13px;
    font-weight: 500;
    color: #666;
}

.tooltip-arrow {
    position: absolute;
    bottom: -8px;
    left: 30px;
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.95);
    transform: rotate(45deg);
    border-radius: 0 0 4px 0;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.1);
}

/* Pulse animation for tooltip */
.welcome-tooltip.show .tooltip-content {
    animation: tooltipPulse 2s ease-in-out infinite;
}

@keyframes tooltipPulse {
    0%, 100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.1); }
    50% { box-shadow: 0 8px 32px rgba(0, 122, 255, 0.3), 0 2px 8px rgba(0, 122, 255, 0.2); }
}

/* ===== Hidden UI State ===== */
body.ui-hidden .bottom-bar,
body.ui-hidden .toast,
body.ui-hidden #idlePrompt {
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.5s ease;
}

/* ===== Responsive ===== */
@media (max-width: 500px) {
    .bottom-bar {
        padding: 8px 12px;
        padding-bottom: calc(8px + var(--safe-area-bottom));
}

    .score-pill {
        padding: 8px 12px;
    }
    
    .score-value {
        font-size: 16px;
    }
    
    .glass-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .control-group {
        gap: 4px;
        padding: 4px;
    }
    
    .modal-sheet {
        max-height: 60vh;
        max-height: min(60vh, calc(100dvh - 100px));
        border-radius: 16px 16px 0 0;
    }
}

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

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

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