/* --- Variables & Core Styling --- */
:root {
    --bg-base: #0a0b10;
    --text-primary: #fcfcfc;
    --text-muted: #a0aab2;
    --accent-gold: #d4af37;
    --accent-gold-glow: rgba(212, 175, 55, 0.4);
    --accent-cyan: #00f0ff;
    --accent-cyan-glow: rgba(0, 240, 255, 0.5);
    
    --glass-bg: rgba(20, 22, 30, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --font-heading: 'Noto Serif TC', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    position: relative;
}

/* Background Effects */
.stars-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.03) 0%, transparent 50%),
        url('data:image/svg+xml;utf8,<svg width="200" height="200" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 100% 100%, 100% 100%, 150px 150px;
    z-index: -2;
}

.mist-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 11, 16, 0.8) 100%);
    pointer-events: none;
    z-index: -1;
}

/* Base Classes */
.accent-gold { color: var(--accent-gold); }
.text-gold { color: var(--accent-gold); }
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 500; }

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 24px;
}

.glass-btn {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.glass-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-base);
    box-shadow: 0 0 15px var(--accent-gold-glow);
}

/* Layout */
.app-container {
    width: 100%;
    max-width: 1000px;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
}

.app-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease forwards;
}

.logo-text {
    font-size: 3.5rem;
    letter-spacing: 4px;
    text-shadow: 0 0 20px rgba(255,255,255,0.1);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    letter-spacing: 6px;
    text-transform: uppercase;
}

/* View State Management */
.view {
    width: 100%;
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.section-hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}
.section-active {
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.5s ease forwards;
}

/* --- View 1: Upload --- */
.upload-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
}

.upload-icon-wrapper {
    position: relative;
    width: 80px; height: 80px;
    margin: 0 auto 1.5rem;
    display: flex; justify-content: center; align-items: center;
}
.glow-ring {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 50%;
    border: 1px solid var(--accent-gold);
    box-shadow: 0 0 20px var(--accent-gold-glow);
    animation: pulseGlow 3s infinite;
}
.upload-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
}

.upload-card h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.upload-card p { color: var(--text-muted); margin-bottom: 2rem; line-height: 1.6; }

.drop-zone {
    border: 2px dashed rgba(212, 175, 55, 0.4);
    border-radius: 12px;
    padding: 3rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0,0,0,0.2);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.05);
}
.drop-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.drop-content i { font-size: 2rem; color: var(--text-muted); }
.drop-text { font-size: 1.1rem; font-weight: 600; }
.drop-hint { font-size: 0.8rem; color: var(--text-muted); }

.privacy-note {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- View 2: Scanning --- */
.scanning-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.scan-frame {
    position: relative;
    width: 300px;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 30px var(--accent-cyan-glow);
}
#scanned-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%) contrast(120%);
}

/* Laser overlay */
.scan-laser {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-cyan);
    box-shadow: 0 0 15px 5px var(--accent-cyan-glow);
    animation: scanMove 2.5s ease-in-out infinite alternate;
    z-index: 10;
}
.scan-overlay-grid {
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background-image: linear-gradient(rgba(0, 240, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 5;
    mix-blend-mode: overlay;
}
.track-dot {
    position: absolute;
    width: 8px; height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: pulseGlowCyan 1.5s infinite alternate;
    z-index: 11;
}

.scan-status {
    width: 100%;
    text-align: center;
}
.status-text {
    color: var(--accent-cyan);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}
.progress-bar-bg {
    width: 100%; height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.progress-fill {
    height: 100%; width: 0%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan-glow);
    transition: width 0.3s ease;
}
.terminal-logs {
    text-align: left;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    height: 60px;
    overflow: hidden;
    opacity: 0.7;
}

/* --- View 3: Dashboard --- */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    width: 100%;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    width: 100%;
}

.dash-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Left Col */
.face-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.analyzed-frame {
    position: relative;
    width: 150px; height: 200px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--accent-gold);
    margin-bottom: 1.5rem;
}
#result-image {
    width: 100%; height: 100%; object-fit: cover;
    display: block;
}
.face-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 3;
    pointer-events: none;
}
.aura-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120%; height: 120%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 60%);
    z-index: 2; pointer-events: none;
}
.face-score-box {
    text-align: center;
}
.score-label {
    display: block; font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.2rem;
}
.score-value {
    font-size: 3rem; font-weight: 700; font-family: var(--font-heading);
    text-shadow: 0 0 15px var(--accent-gold-glow);
}

.result-card h3 { margin-bottom: 1.5rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.5rem; display: flex; align-items: center; gap: 8px;}

/* Stat Bars */
.stat-row {
    display: flex; align-items: center; margin-bottom: 1rem; gap: 10px; font-size: 0.9rem;
}
.stat-name { width: 40px; color: var(--text-muted); }
.stat-bar {
    flex-grow: 1; height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; overflow: hidden;
}
.stat-fill {
    height: 100%; background: linear-gradient(90deg, #d4af37, #f2c94c);
    border-radius: 3px;
}
.stat-val { width: 40px; text-align: right; font-weight: 600; color: var(--accent-gold); }

/* Right Col */
.bazi-summary {
    font-size: 1.1rem; line-height: 1.6; margin-bottom: 1.5rem; letter-spacing: 1px;
}
.five-elements {
    display: flex; gap: 1rem; margin-top: 1rem; justify-content: flex-start;
}
.element-tag {
    width: 40px; height: 40px; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    border: 1px solid var(--glass-border); color: var(--text-muted); font-weight: 600;
}
.element-tag.active {
    border-color: var(--accent-gold); background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold); box-shadow: 0 0 10px var(--accent-gold-glow);
}

.advice-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.advice-item {
    padding: 1.5rem; display: flex; flex-direction: column; gap: 10px;
}
.advice-icon {
    width: 40px; height: 40px; border-radius: 8px;
    display: flex; justify-content: center; align-items: center; font-size: 1.2rem;
    background: rgba(255,255,255,0.05); margin-bottom: 0.5rem;
}
.advice-icon.wealth { color: #f2c94c; }
.advice-icon.career { color: #56ccf2; }
.advice-icon.love { color: #eb5757; }

.advice-item h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.advice-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* Responsive */
@media (max-width: 800px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .advice-grid { grid-template-columns: 1fr; }
    .dashboard-header { flex-direction: column; gap: 1rem; text-align: center; }
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulseGlow {
    0% { transform: scale(0.95); box-shadow: 0 0 10px rgba(212, 175, 55, 0.2); }
    50% { transform: scale(1.05); box-shadow: 0 0 25px rgba(212, 175, 55, 0.6); }
    100% { transform: scale(0.95); box-shadow: 0 0 10px rgba(212, 175, 55, 0.2); }
}
@keyframes scanMove {
    0% { top: 0%; }
    100% { top: 98%; }
}
@keyframes pulseGlowCyan {
    0% { opacity: 0.4; box-shadow: 0 0 5px var(--accent-cyan); transform: scale(0.8); }
    100% { opacity: 1; box-shadow: 0 0 15px var(--accent-cyan); transform: scale(1.2); }
}

/* Footer & References Modal */
.app-footer {
    width: 100%;
    text-align: center;
    margin-top: 3rem;
    padding-bottom: 2rem;
    color: var(--text-muted);
}
.reference-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.reference-link:hover {
    color: var(--accent-gold);
}

.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s ease;
}
.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.modal-content {
    max-width: 600px;
    width: 90%;
    transform: translateY(0);
    transition: transform 0.3s ease;
}
.modal-overlay.hidden .modal-content {
    transform: translateY(20px);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}
.icon-btn {
    padding: 8px 12px;
    font-size: 1.2rem;
}
.modal-body {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
}
.modal-body ul {
    margin: 1rem 0 1.5rem 2rem;
}
.modal-body li {
    margin-bottom: 0.8rem;
    color: var(--text-muted);
}
.modal-body li strong {
    color: var(--accent-gold);
}
.modal-note {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px dashed rgba(0, 240, 255, 0.3);
}