/* ========================
   Tea Mini App 2.0 - Styles
   ======================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --primary: #9d1c41;
    --primary-dark: #7a1533;
    --primary-light: #b8234e;
    --secondary: #d4a574;
    --accent: #e8c39e;

    /* Backgrounds */
    --bg-dark: #0f0f0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);

    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --backdrop-blur: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, system-ui, sans-serif;
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Video Background === */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(15, 15, 15, 0.6) 0%,
            rgba(15, 15, 15, 0.8) 100%);
    backdrop-filter: blur(2px);
}

/* === Main Container === */
.container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

/* === User Greeting === */
.user-greeting {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.6s ease-out;
}

.greeting-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

#userName {
    color: var(--secondary);
}

.user-level {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.level-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.level-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* === Progress Ring === */
.progress-container {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.8s ease;
    stroke-linecap: round;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.progress-percent {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.progress-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === Header === */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.8s ease-out 0.3s backwards;
}

.logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* === Stats Grid === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    animation: fadeIn 0.8s ease-out 0.4s backwards;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(var(--backdrop-blur));
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}

/* === Navigation Grid === */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.nav-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    min-height: 180px;
    text-decoration: none;
    color: var(--text-primary);
    overflow: hidden;

    /* Glassmorphism  */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--backdrop-blur));
    box-shadow: var(--shadow-sm);

    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.6s ease-out backwards;
}

.nav-card:nth-child(1) {
    animation-delay: 0.5s;
}

.nav-card:nth-child(2) {
    animation-delay: 0.55s;
}

.nav-card:nth-child(3) {
    animation-delay: 0.6s;
}

.nav-card:nth-child(4) {
    animation-delay: 0.65s;
}

.nav-card:nth-child(5) {
    animation-delay: 0.7s;
}

.nav-card:nth-child(6) {
    animation-delay: 0.75s;
}

.nav-card:nth-child(7) {
    animation-delay: 0.8s;
}

.nav-card:nth-child(8) {
    animation-delay: 0.85s;
}

.nav-card-featured {
    grid-column: span 2;
    background: linear-gradient(135deg,
            rgba(157, 28, 65, 0.15),
            rgba(157, 28, 65, 0.05));
    border-color: rgba(157, 28, 65, 0.3);
}

.nav-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.nav-card:active {
    transform: translateY(-2px) scale(1.01);
}

.nav-card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--secondary);
    transition: transform 0.3s ease;
}

.nav-card:hover .nav-card-icon {
    transform: scale(1.1);
}

.nav-card-icon svg {
    width: 100%;
    height: 100%;
}

.nav-card-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.nav-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

/* === Footer === */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-link {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent);
}

/* === Achievement Notification === */
.achievement-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(157, 28, 65, 0.95), rgba(122, 21, 51, 0.95));
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(var(--backdrop-blur));
    animation: slideDown 0.5s ease-out;
}

.achievement-icon {
    font-size: 2rem;
}

.achievement-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.achievement-name {
    font-size: 1rem;
    font-weight: 600;
}

/* === Animations === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-100%);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* === Responsive === */
@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md);
    }

    .greeting-text {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .nav-grid {
        grid-template-columns: 1fr;
    }

    .nav-card-featured {
        grid-column: span 1;
    }
}

/* === Page Styles === */
.page-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.page-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(var(--backdrop-blur));
    box-shadow: var(--shadow-md);
}

.action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-primary);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.action-button:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.15);
}