@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #12183a;
    --bg-card: rgba(18, 24, 58, 0.8);
    --accent-purple: #6b4ee6;
    --accent-pink: #ff6b9d;
    --accent-gold: #ffd700;
    --accent-green: #00d9a3;
    --text-primary: #e8e8ff;
    --text-secondary: #a0a0c0;
    --text-muted: #6b6b8a;
    --border-color: rgba(107, 78, 230, 0.3);
    --glass-bg: rgba(18, 24, 58, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 600;
}

/* Starfield Background */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
}

.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-gold);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-user a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-user a:hover {
    color: var(--accent-gold);
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    padding-top: 70px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 20px rgba(107, 78, 230, 0.5)); }
    to { filter: drop-shadow(0 0 40px rgba(255, 107, 157, 0.5)); }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: white;
    box-shadow: 0 4px 20px rgba(107, 78, 230, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(107, 78, 230, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-purple);
    background: rgba(107, 78, 230, 0.1);
}

/* Zodiac Grid */
.zodiac-section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.zodiac-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.zodiac-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-primary);
}

.zodiac-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 40px rgba(107, 78, 230, 0.3);
}

.zodiac-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.zodiac-name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.zodiac-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Feature Cards */
.features-section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-primary);
    display: block;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 40px rgba(107, 78, 230, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Fortune Page */
.fortune-page {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.zodiac-selector {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
    margin-bottom: 2rem;
    scrollbar-width: none;
}

.zodiac-selector::-webkit-scrollbar {
    display: none;
}

.zodiac-tab {
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    font-size: 0.9rem;
}

.zodiac-tab:hover,
.zodiac-tab.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: white;
    border-color: transparent;
}

.date-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.date-tab {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.date-tab:hover,
.date-tab.active {
    background: rgba(107, 78, 230, 0.2);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.fortune-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
}

.fortune-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.fortune-zodiac-icon {
    font-size: 4rem;
}

.fortune-zodiac-info h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.fortune-zodiac-info p {
    color: var(--text-muted);
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.score-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(107, 78, 230, 0.1);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.score-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-label {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.fortune-content {
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Pairing Page */
.pairing-page {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.pairing-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.pairing-select {
    padding: 1rem 2rem;
    border-radius: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    min-width: 200px;
}

.pairing-select:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.pairing-heart {
    font-size: 3rem;
    color: var(--accent-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.pairing-result {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: conic-gradient(var(--accent-purple) var(--score-deg), rgba(107, 78, 230, 0.2) var(--score-deg));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    position: relative;
}

.score-circle::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-primary);
}

.score-circle span {
    position: relative;
    z-index: 1;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Tarot Page */
.tarot-page {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.spread-selector {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.spread-btn {
    padding: 1rem 2rem;
    border-radius: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.spread-btn:hover,
.spread-btn.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: white;
    border-color: transparent;
}

.tarot-cards-area {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    min-height: 300px;
}

.tarot-card {
    width: 150px;
    height: 250px;
    border-radius: 15px;
    background: linear-gradient(135deg, #1a1a4e, #2d1b69);
    border: 2px solid var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.5s;
    position: relative;
    transform-style: preserve-3d;
}

.tarot-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(107, 78, 230, 0.4);
}

.tarot-card.flipped {
    transform: rotateY(180deg);
}

.tarot-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.tarot-card-front {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transform: rotateY(180deg);
    background: var(--glass-bg);
    border-radius: 15px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* AI Chat Page */
.ai-page {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
}

.chat-container {
    flex: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    max-width: 80%;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    line-height: 1.6;
}

.chat-message.user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: white;
    border-bottom-right-radius: 5px;
}

.chat-message.assistant {
    align-self: flex-start;
    background: rgba(107, 78, 230, 0.2);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 5px;
}

.chat-input-area {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
}

.chat-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    background: rgba(107, 78, 230, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.chat-send {
    padding: 1rem 2rem;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.chat-send:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(107, 78, 230, 0.4);
}

.quick-questions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0 1.5rem 1rem;
}

.quick-question {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(107, 78, 230, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.quick-question:hover {
    background: rgba(107, 78, 230, 0.3);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.auth-card h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 15px;
    background: rgba(107, 78, 230, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(107, 78, 230, 0.15);
}

.form-select {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 15px;
    background: rgba(107, 78, 230, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.oauth-buttons {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.oauth-title {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.oauth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.oauth-btn {
    padding: 0.8rem;
    border-radius: 12px;
    background: rgba(107, 78, 230, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.oauth-btn:hover {
    background: rgba(107, 78, 230, 0.2);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.auth-footer {
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--accent-purple);
    text-decoration: none;
}

/* Profile Page */
.profile-page {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.profile-header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
}

.profile-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.profile-info {
    color: var(--text-secondary);
}

.profile-menu {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
}

.profile-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
}

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

.profile-menu-item:hover {
    background: rgba(107, 78, 230, 0.1);
}

.profile-menu-item span:first-child {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 1rem 2rem;
    border-radius: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    z-index: 9999;
    transition: transform 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar-content {
        padding: 0 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    .zodiac-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .fortune-header {
        flex-direction: column;
        text-align: center;
    }
    
    .pairing-selector {
        flex-direction: column;
    }
    
    .oauth-grid {
        grid-template-columns: 1fr;
    }
    
    .chat-message {
        max-width: 90%;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-pink);
}