/**
 * Palm Reading Page Styles
 * 墨金 (Ink & Gold) Design System
 */

/* ===================================
   Navigation
   =================================== */
.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.nav-links a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-normal);
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--color-gold);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-gold);
}

/* ===================================
   Hero Section
   =================================== */
.palm-hero {
    position: relative;
    padding: 5rem 0 3rem;
    text-align: center;
    overflow: hidden;
}
.palm-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 800px 500px at 30% 60%, rgba(212, 175, 55, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 600px 400px at 70% 30%, rgba(221, 160, 221, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 500px 500px at 50% 80%, rgba(69, 183, 209, 0.03) 0%, transparent 60%);
    animation: floatPattern 25s ease-in-out infinite;
    pointer-events: none;
}
.palm-hero-content {
    position: relative;
    z-index: 1;
}
.palm-hero-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border: 1px solid var(--color-gold-muted);
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-gold);
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}
.palm-hero-title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    margin-bottom: 1rem;
}
.palm-hero-subtitle {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}
.palm-hero-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ===================================
   Upload Section
   =================================== */
.palm-upload-section {
    padding: 2rem 0 4rem;
}
.upload-card {
    max-width: 600px;
    margin: 0 auto;
}
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-2xl);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--duration-normal);
    background: var(--color-glass-surface);
    backdrop-filter: blur(var(--glass-blur));
}
.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--color-gold);
    background: var(--color-warm-highlight);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.08);
}
.upload-icon {
    margin-bottom: 1.5rem;
    opacity: 0.6;
}
.upload-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}
.upload-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}
.upload-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}
.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--duration-normal);
    border: none;
}
.upload-btn.primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-text-inverse);
}
.upload-btn.primary:hover {
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    transform: translateY(-1px);
}
.upload-btn.secondary {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold-muted);
}
.upload-btn.secondary:hover {
    background: rgba(212, 175, 55, 0.08);
    border-color: var(--color-gold);
}

/* AI Status Bar */
.ai-status-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    margin-top: 1rem;
    background: var(--color-glass-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    font-size: var(--text-xs);
}
.ai-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gold);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Hand Select Guide */
.hand-select-guide {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(var(--rgb-gold, 212,175,55), 0.06), rgba(var(--rgb-gold, 212,175,55), 0.02));
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    text-align: center;
}
.hand-select-guide h4 {
    font-size: var(--text-sm);
    color: var(--color-gold);
    margin-bottom: 0.4rem;
}
.hand-guide-desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: 0.8rem;
}
.hand-guide-items {
    display: flex;
    gap: 1rem;
    justify-content: center;
}
.hand-guide-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    padding: 0.4rem 0.8rem;
    background: var(--color-glass-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}
.hand-emoji {
    font-size: 1.2rem;
}

/* Upload Guide */
.upload-guide {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: var(--color-glass-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
}
.upload-guide h4 {
    font-size: var(--text-sm);
    color: var(--color-gold);
    margin-bottom: 0.75rem;
    text-align: center;
}
.guide-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}
.guide-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}
.guide-icon {
    font-size: 1.2em;
}

/* ===================================
   Preview Section
   =================================== */
.preview-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.preview-card {
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}
.preview-image-wrapper {
    position: relative;
    background: #000;
}
.preview-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}
.preview-image-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}
.line-legend {
    position: absolute;
    bottom: 0.75rem;
    left: 0.75rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-md);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.65rem;
    color: #fff;
}
.legend-color {
    width: 10px;
    height: 3px;
    border-radius: 2px;
}

.preview-actions {
    display: flex;
    gap: 0.75rem;
    padding: 1.25rem;
    justify-content: center;
}
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--duration-normal);
    border: none;
}
.action-btn.analyze {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-text-inverse);
}
.action-btn.analyze:hover {
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
    transform: translateY(-2px);
}
.action-btn.reset {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.action-btn.reset:hover {
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}

/* ===================================
   Loading Section
   =================================== */
.palm-loading {
    padding: 4rem 0;
}
.loading-card {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
}
.loading-orb {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
}
.orb-ring {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}
.orb-ring.delay-1 {
    inset: 8px;
    border-top-color: var(--color-gold-light);
    animation-duration: 2s;
    animation-direction: reverse;
}
.orb-ring.delay-2 {
    inset: 16px;
    border-top-color: var(--color-gold-muted);
    animation-duration: 2.5s;
}
.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}
.loading-text {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}
.loading-sub {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}
.loading-bar {
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}
.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    border-radius: 2px;
    transition: width 0.5s ease;
    width: 0%;
}

/* ===================================
   Results Section
   =================================== */
.palm-results {
    padding: 3rem 0 4rem;
}

/* Summary Card */
.result-summary-card {
    max-width: 480px;
    margin: 0 auto 3rem;
    text-align: center;
    padding: 2.5rem;
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}
.result-summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
}
.summary-header {
    margin-bottom: 1.5rem;
}
.summary-header h3 {
    font-size: var(--text-2xl);
    margin-bottom: 0.5rem;
}
.summary-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-gold);
    border: 1px solid var(--color-gold-muted);
    letter-spacing: 0.05em;
}
.summary-score-ring {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 1.5rem;
}
.score-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 12px rgba(212, 175, 55, 0.2));
}
.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.score-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--color-gold-light);
    line-height: 1;
}
.score-label {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}
.summary-message {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 360px;
    margin: 0 auto;
}

/* Lines Grid */
.lines-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

/* Line Card */
.line-card {
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    cursor: pointer;
    transition: all var(--duration-normal);
    overflow: hidden;
}
.line-card:hover {
    border-color: var(--color-glass-hover);
    box-shadow: var(--shadow-warm-md);
    transform: translateY(-2px);
}
.line-card.expanded {
    border-color: var(--color-gold-muted);
}
.line-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.line-icon-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.line-icon-circle.life {
    background: rgba(69, 183, 209, 0.12);
    color: #45B7D1;
}
.line-icon-circle.heart {
    background: rgba(255, 107, 107, 0.12);
    color: #FF6B6B;
}
.line-icon-circle.head {
    background: rgba(78, 205, 196, 0.12);
    color: #4ECDC4;
}
.line-icon-circle.fate {
    background: rgba(221, 160, 221, 0.12);
    color: #DDA0DD;
}
.line-name {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin: 0;
}
.line-name-en {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    font-family: var(--font-display);
}
.line-score {
    margin-left: auto;
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-gold-light);
}

/* Score Bar */
.line-bar-wrapper {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.line-bar {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, #45B7D1, #4ECDC4);
    transition: width 1s ease-out;
}
.line-bar.heart {
    background: linear-gradient(90deg, #FF6B6B, #FF8E8E);
}
.line-bar.head {
    background: linear-gradient(90deg, #4ECDC4, #7EDDA9);
}
.line-bar.fate {
    background: linear-gradient(90deg, #DDA0DD, #E8B4E8);
}

/* Detail */
.line-detail {
    margin-bottom: 0.5rem;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}
.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    background: rgba(212, 175, 55, 0.08);
    color: var(--color-gold-text);
    border: 1px solid var(--color-border-light);
}
.detail-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Extra (expanded) */
.line-extra {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0;
}
.line-card.expanded .line-extra {
    max-height: 300px;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-light);
    margin-top: 0.75rem;
}
.line-extra h5 {
    font-size: var(--text-sm);
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}
.extra-content {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   Additional Analysis
   =================================== */
.additional-section {
    max-width: 900px;
    margin: 0 auto 3rem;
}
.section-title {
    font-size: var(--text-3xl);
    text-align: center;
    margin-bottom: 0.5rem;
}
.section-subtitle {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}
.additional-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.additional-card {
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--duration-normal);
    opacity: 0;
    transform: translateY(20px);
}
.additional-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.additional-card:hover {
    border-color: var(--color-glass-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-warm-md);
}
.additional-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}
.additional-card h4 {
    font-size: var(--text-base);
    margin-bottom: 0.5rem;
}
.additional-card p {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Result Actions */
.result-actions {
    text-align: center;
    margin-top: 2rem;
}

/* ===================================
   Palm Guide Section (SEO)
   =================================== */
.palm-guide {
    padding: 4rem 0;
    background: var(--color-bg-secondary);
}
.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.guide-card {
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.guide-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.guide-card:hover {
    border-color: var(--color-glass-hover);
    box-shadow: var(--shadow-warm-md);
}
.guide-card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.guide-card h3 {
    font-size: var(--text-lg);
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
}
.guide-card > p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}
.guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.guide-list li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding: 0.4rem 0;
    padding-left: 1rem;
    position: relative;
    line-height: 1.5;
}
.guide-list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}
.guide-list li strong {
    color: var(--color-text-primary);
}

/* ===================================
   Special Signs Section
   =================================== */
.palm-signs {
    padding: 4rem 0;
}
.signs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}
.sign-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-glass-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    opacity: 0;
    transform: translateY(15px);
    transition: all var(--duration-normal);
}
.sign-item.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.sign-item:hover {
    border-color: var(--color-gold-muted);
    transform: translateY(-2px);
}
.sign-symbol {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 0.75rem;
    line-height: 1;
}
.sign-item h4 {
    font-size: var(--text-sm);
    margin-bottom: 0.5rem;
}
.sign-item p {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ===================================
   CTA Section
   =================================== */
.palm-cta {
    padding: 4rem 0;
    text-align: center;
    background: var(--color-bg-secondary);
}
.palm-cta h2 {
    font-size: var(--text-3xl);
    margin-bottom: 0.5rem;
}
.palm-cta > .container > p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}
.cta-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-link {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--duration-normal);
}
.cta-link:hover {
    color: var(--color-gold);
    border-color: var(--color-gold-muted);
}
.cta-link.primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-text-inverse);
    border-color: transparent;
}
.cta-link.primary:hover {
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
    transform: translateY(-1px);
}

/* ===================================
   Footer
   =================================== */
.palm-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--color-border-light);
    text-align: center;
}
.palm-footer p {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-bottom: 0.5rem;
}
.footer-links {
    margin-top: 0.5rem;
}
.footer-links a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: color var(--duration-fast);
}
.footer-links a:hover {
    color: var(--color-gold);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .palm-hero {
        padding: 3rem 0 2rem;
    }
    .palm-hero-title {
        font-size: var(--text-4xl);
    }
    .lines-grid {
        grid-template-columns: 1fr;
        padding: 0 0.5rem;
    }
    .guide-grid {
        grid-template-columns: 1fr;
        padding: 0 0.5rem;
    }
    .signs-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 0.5rem;
    }
    .additional-grid {
        grid-template-columns: 1fr;
        padding: 0 0.5rem;
    }
    .nav-links {
        gap: 0.75rem;
        font-size: var(--text-xs);
    }
    .upload-area {
        padding: 2rem 1rem;
    }
    .result-summary-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .palm-hero-title {
        font-size: var(--text-3xl);
    }
    .palm-hero-subtitle {
        font-size: var(--text-base);
    }
    .upload-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .upload-btn {
        justify-content: center;
    }
    .signs-grid {
        grid-template-columns: 1fr;
    }
    .guide-items {
        grid-template-columns: 1fr;
    }
    .cta-links {
        flex-direction: column;
        align-items: center;
    }
    .cta-link {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}