:root {
    --body-bg: #0B132B;
    --bg-gradient: radial-gradient(circle at 50% 20%, #1a2c56 0%, #070D1F 85%);
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-bg-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --accent-blue: #2563EB;
    --accent-glow: #3B82F6;
    --accent-yellow: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    --accent-yellow-solid: #F59E0B;
    --modal-bg: #111827;
    --gallon-border: rgba(255, 255, 255, 0.45);
    --gallon-cap: #007AFF;
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Palette from botol.png */
    --color-indigo: #6366F1;
    --color-cyan: #06B6D4;
    --color-green: #10B981;
    --color-yellow: #F59E0B;
    --color-red: #EF4444;
    --color-pink: #F472B6;
    --color-blue: #3182CE;
    --color-purple: #805AD5;
    --color-orange: #DD6B20;
    --color-teal: #319795;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--body-bg);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: fixed;
}

.app-container {
    width: 100%;
    max-width: 480px;
    height: 100%;
    max-height: 920px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px;
    position: relative;
    overflow: hidden;
}

.screen {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
    justify-content: space-between;
    animation: fade-in 0.25s ease-out;
}

.screen.active {
    display: flex;
}

@keyframes fade-in {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* ================= 1. HOME SCREEN (Ref: 1. Halaman Utama) ================= */
.home-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.player-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 6px 14px 6px 6px;
    border-radius: 30px;
}

.avatar {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
}

.player-info {
    display: flex;
    flex-direction: column;
}

.player-name {
    font-size: 0.8rem;
    font-weight: 600;
}

.player-lv {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.coin-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 6px 12px;
    border-radius: 30px;
}

.coin-value {
    font-size: 0.85rem;
    font-weight: 700;
}

.coin-add-btn {
    background: var(--color-yellow);
    border: none;
    color: #1A202C;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 4px;
}

.home-hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 10px 0;
}

.game-logo-container {
    margin-bottom: 12px;
}

.logo-bottle-icon {
    font-size: 2.2rem;
    margin-bottom: 2px;
    animation: float-bottle 3s ease-in-out infinite;
}

@keyframes float-bottle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.game-title {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(180deg, #FFFFFF 20%, #63B3ED 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 16px rgba(59, 130, 246, 0.5);
    letter-spacing: -0.5px;
}

.game-subtitle {
    font-size: 0.95rem;
    color: #38BDF8;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: -4px;
}

.hero-bottle-preview {
    display: flex;
    gap: 12px;
    margin: 20px 0 24px 0;
    justify-content: center;
    align-items: center;
}

.play-hero-btn {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #FFF;
    border: none;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 14px 52px;
    border-radius: 36px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.play-hero-btn:active {
    transform: scale(0.96);
}

.home-bottom-dock {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 10px;
    border-radius: 24px;
    margin-bottom: 6px;
}

.dock-nav-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    padding: 6px;
    border-radius: 14px;
    transition: background 0.2s;
}

.dock-nav-btn:hover {
    background: var(--glass-bg-hover);
}

.nav-icon {
    font-size: 1.25rem;
}

.home-tagline {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    padding-bottom: 4px;
}

/* ================= 3. GAMEPLAY SCREEN (Ref: 3. Gameplay) ================= */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    flex-shrink: 0;
}

.icon-button {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.icon-button:active {
    transform: scale(0.9);
}

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

.app-header h1 {
    font-size: 1.2rem;
    font-weight: 700;
}

.level-type {
    font-size: 0.65rem;
    color: #38BDF8;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.timer-badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 6px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #38BDF8;
    font-variant-numeric: tabular-nums;
}

.game-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding: 16px 0;
}

.gallon-board {
    display: grid;
    gap: 16px 12px;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-content: center;
    justify-items: center;
    align-items: center;
}

/* --- AUTHENTIC BULBOUS 19L GALLON SHAPE ("GEMUK") --- */
.gallon {
    width: var(--gallon-w, 76px);
    height: var(--gallon-h, 120px);
    border: 2.5px solid var(--gallon-border);
    border-top: none;
    border-bottom-left-radius: 36px;
    border-bottom-right-radius: 36px;
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-start;
    padding: 5px;
    cursor: pointer;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transform-origin: bottom center;
    margin-top: 24px;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}

/* Gallon Narrow Neck */
.gallon::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 16px;
    background: var(--glass-bg);
    border: 2.5px solid var(--gallon-border);
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    pointer-events: none;
}

/* Gallon Blue Cap (19L Dispenser Cap) */
.gallon::after {
    content: '';
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 9px;
    background: var(--gallon-cap);
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
    pointer-events: none;
}

.gallon.selected {
    transform: translateY(-18px) scale(1.06);
    border-color: #38BDF8;
    box-shadow: 0 18px 36px rgba(56, 189, 248, 0.5);
}

/* Directional Pouring Animations */
.gallon.pouring-left {
    animation: pour-left 0.35s ease-in-out forwards;
}

@keyframes pour-left {
    0% { transform: translateY(-18px) rotate(0deg) scale(1.06); }
    40% { transform: translateY(-26px) rotate(-28deg) translateX(-14px) scale(1.02); }
    70% { transform: translateY(-26px) rotate(-28deg) translateX(-14px) scale(1.02); }
    100% { transform: translateY(-18px) rotate(0deg) scale(1.06); }
}

.gallon.pouring-right {
    animation: pour-right 0.35s ease-in-out forwards;
}

@keyframes pour-right {
    0% { transform: translateY(-18px) rotate(0deg) scale(1.06); }
    40% { transform: translateY(-26px) rotate(28deg) translateX(14px) scale(1.02); }
    70% { transform: translateY(-26px) rotate(28deg) translateX(14px) scale(1.02); }
    100% { transform: translateY(-18px) rotate(0deg) scale(1.06); }
}

.gallon.completed {
    animation: pulse-success 0.6s ease;
}

@keyframes pulse-success {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); border-color: #10B981; }
    100% { transform: scale(1); }
}

.liquid-layer {
    width: 100%;
    height: 25%;
    border-radius: 6px;
    transition: height 0.2s ease, transform 0.2s ease;
}

.liquid-layer:first-child {
    border-bottom-left-radius: 32px;
    border-bottom-right-radius: 32px;
}

/* Color Mappings (Matching botol.png Palette) */
.color-indigo { background: var(--color-indigo); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-cyan { background: var(--color-cyan); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-green { background: var(--color-green); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-yellow { background: var(--color-yellow); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-red { background: var(--color-red); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-pink { background: var(--color-pink); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-blue { background: var(--color-blue); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-purple { background: var(--color-purple); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-orange { background: var(--color-orange); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }
.color-teal { background: var(--color-teal); box-shadow: inset 0 2px 4px rgba(255,255,255,0.35); }

/* Toast Notification (Ref: 7. Bantuan & Feedback) */
.toast-notification {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(17, 24, 39, 0.92);
    border: 1px solid rgba(239, 68, 68, 0.4);
    backdrop-filter: blur(16px);
    padding: 12px 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 300;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

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

.toast-icon {
    font-size: 1.4rem;
}

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

.toast-text strong {
    font-size: 0.85rem;
    color: #F87171;
}

.toast-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Gameplay Dock / Powerups (Ref: 3. Gameplay bottom buttons: Undo, Pindah Warna, Tambah Slot) */
.gameplay-dock {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    border-radius: 22px;
    margin-bottom: 6px;
}

.powerup-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.65rem;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 16px;
    border-radius: 14px;
    position: relative;
    transition: background 0.2s;
}

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

.powerup-icon {
    font-size: 1.3rem;
}

.powerup-count {
    position: absolute;
    top: 4px;
    right: 12px;
    background: var(--accent-blue);
    color: #FFF;
    font-size: 0.6rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.4);
}

/* ================= MODALS ================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
    padding: 20px;
    animation: fade-in 0.2s ease;
}

.modal-content.glass {
    background: var(--modal-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(30px);
    padding: 24px;
    border-radius: 28px;
    width: 100%;
    max-width: 360px;
    text-align: center;
    box-shadow: 0 24px 48px rgba(0,0,0,0.6);
    animation: modal-appear 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content.glass.wide {
    max-width: 420px;
    max-height: 85vh;
    overflow-y: auto;
}

@keyframes modal-appear {
    0% { opacity: 0; transform: scale(0.92); }
    100% { opacity: 1; transform: scale(1); }
}

.modal-content h2 {
    font-size: 1.35rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.modal-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.modal-back-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: #FFF;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
}

.star-counter-pill {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-yellow);
}

.level-tabs {
    display: flex;
    background: var(--glass-bg);
    padding: 4px;
    border-radius: 14px;
    margin-bottom: 16px;
    gap: 4px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--accent-blue);
    color: #FFF;
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    max-height: 320px;
    overflow-y: auto;
    padding: 4px;
}

.level-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s;
}

.level-card:hover {
    background: var(--glass-bg-hover);
}

.level-card.active-card {
    border-color: #38BDF8;
    background: rgba(56, 189, 248, 0.2);
}

.level-card-num {
    font-size: 1.1rem;
    font-weight: 700;
}

.level-card-stars {
    font-size: 0.7rem;
    color: var(--color-yellow);
}

.level-card.locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal-close-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.primary-btn {
    background: var(--accent-blue);
    color: #FFF;
    border: none;
    padding: 14px;
    border-radius: 16px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    margin-top: 12px;
}

.glossy-btn {
    background: linear-gradient(135deg, #3182CE 0%, #2B6CB0 100%);
}

.secondary-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: #FFF;
    padding: 10px;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    flex: 1;
}

/* Win Modal (Ref: 4. Kemenangan) */
.win-content .win-stars-header {
    font-size: 2.2rem;
    margin-bottom: 6px;
    letter-spacing: 4px;
}

.win-banner {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-yellow);
    margin-bottom: 16px;
}

.win-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.win-stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 10px;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-icon { font-size: 1.1rem; }
.stat-lbl { font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase; }
.stat-val { font-size: 0.95rem; font-weight: 700; }

.reward-banner {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 10px 16px;
    border-radius: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: var(--color-yellow);
    margin-bottom: 16px;
}

.win-sub-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

/* Pause Modal (Ref: 5. Pause: Lanjutkan, Ulangi Level, Pilih Level, Keluar) */
.pause-icon-header {
    font-size: 2.5rem;
    margin-bottom: 4px;
}

.pause-menu-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0;
}

.pause-btn {
    border: none;
    padding: 12px 20px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 0.95rem;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.pause-btn.green { background: #10B981; }
.pause-btn.blue { background: #3182CE; }
.pause-btn.red { background: #EF4444; }

.pause-btn .btn-icon {
    font-size: 1.1rem;
}

/* Tutorial Modal (Ref: 6. Tutorial / Aturan) */
.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
    margin-bottom: 20px;
}

.tutorial-step {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 10px 12px;
    border-radius: 14px;
}

.step-num {
    background: var(--accent-blue);
    color: #FFF;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-text {
    font-size: 0.8rem;
    color: #CBD5E0;
    line-height: 1.4;
}

.step-text strong {
    color: #FFF;
}

/* Settings Modal (Ref: 10. Pengaturan) */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    text-align: left;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 12px 16px;
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255,255,255,0.2);
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider { background-color: var(--accent-blue); }
input:checked + .slider:before { transform: translateX(22px); }

.settings-group {
    text-align: left;
    margin-bottom: 20px;
}

.group-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.graphics-buttons {
    display: flex;
    gap: 8px;
}

.gfx-btn {
    flex: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}

.gfx-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.settings-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.danger-btn {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #FEB2B2;
    padding: 12px;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

/* Preview Gallon on Home screen */
.preview-gallon {
    width: 54px;
    height: 84px;
    border: 2.5px solid var(--gallon-border);
    border-top: none;
    border-bottom-left-radius: 26px;
    border-bottom-right-radius: 26px;
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column-reverse;
    padding: 4px;
    position: relative;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    margin-top: 16px;
}

.preview-gallon::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 12px;
    background: var(--glass-bg);
    border: 2.5px solid var(--gallon-border);
    border-bottom: none;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

.preview-gallon::after {
    content: '';
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 7px;
    background: var(--gallon-cap);
    border-radius: 4px;
}

.daily-preview-box {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 16px 0;
}

.challenge-time-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    text-align: left;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: 16px;
}

.ach-icon {
    font-size: 1.8rem;
    background: rgba(245, 158, 11, 0.2);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ach-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ach-info strong {
    font-size: 0.85rem;
}

.ach-info span {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin-top: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-blue);
    border-radius: 3px;
}

.ach-status {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}