/* ===== CSS Variables ===== */
:root {
    --color-primary: #9d4edd;
    --color-primary-light: #c77dff;
    --color-primary-dark: #7b2cbf;
    --color-secondary: #ffd60a;
    --color-accent: #ff006e;
    --color-bg-dark: #0a0a0f;
    --color-bg-card: rgba(20, 20, 30, 0.8);
    --color-text: #f0f0f0;
    --color-text-muted: #b0b0b0;
    --color-border: rgba(157, 78, 221, 0.3);
    --color-success: #06ffa5;
    --color-error: #ff006e;

    --font-primary: 'Noto Serif TC', serif;
    --font-accent: 'Cinzel', serif;

    --shadow-sm: 0 2px 8px rgba(157, 78, 221, 0.1);
    --shadow-md: 0 4px 16px rgba(157, 78, 221, 0.2);
    --shadow-lg: 0 8px 32px rgba(157, 78, 221, 0.3);
    --shadow-glow: 0 0 20px rgba(157, 78, 221, 0.4);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== Animated Background ===== */
.stars,
.stars2,
.stars3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.stars {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="2" height="2"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,0.3)"/></svg>') repeat;
    animation: animateStars 100s linear infinite;
}

.stars2 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="3" height="3"><circle cx="1.5" cy="1.5" r="1" fill="rgba(157,78,221,0.4)"/></svg>') repeat;
    animation: animateStars 150s linear infinite;
}

.stars3 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="4" height="4"><circle cx="2" cy="2" r="1.5" fill="rgba(199,125,255,0.3)"/></svg>') repeat;
    animation: animateStars 200s linear infinite;
}

@keyframes animateStars {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(-2000px);
    }
}

/* ===== Container ===== */
.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ===== Header ===== */
.header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 1s ease;
}

.title {
    font-family: var(--font-accent);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(157, 78, 221, 0.5);
    letter-spacing: 2px;
}

.title-icon {
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    font-style: italic;
    letter-spacing: 1px;
}

/* ===== Sections ===== */
.section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.section.active {
    display: block;
}

.section-title {
    font-family: var(--font-accent);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ===== Glass Card ===== */
.glass-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--color-primary);
}

/* ===== Question Input ===== */
.question-input {
    width: 100%;
    padding: 1.5rem;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    background: rgba(30, 30, 40, 0.6);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text);
    resize: vertical;
    transition: all var(--transition-normal);
    margin-bottom: 2rem;
}

.question-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(157, 78, 221, 0.3);
}

.question-input::placeholder {
    color: var(--color-text-muted);
}

/* ===== Buttons ===== */
.btn {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-icon {
    font-size: 1.3rem;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: rgba(100, 100, 100, 0.3);
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary);
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ===== Card Deck ===== */
.instruction {
    text-align: center;
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.card-deck {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    max-height: 600px;
    overflow-y: auto;
    padding: 1rem;
    background: rgba(10, 10, 20, 0.4);
    border-radius: 12px;
}

.card-deck::-webkit-scrollbar {
    width: 8px;
}

.card-deck::-webkit-scrollbar-track {
    background: rgba(30, 30, 40, 0.3);
    border-radius: 4px;
}

.card-deck::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.tarot-card {
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    border: 2px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.tarot-card::before {
    content: '🌙';
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.3;
}

.tarot-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-glow);
    border-color: var(--color-secondary);
}

.tarot-card.selected {
    border-color: var(--color-secondary);
    box-shadow: 0 0 20px var(--color-secondary);
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
}

.tarot-card.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== Selected Cards Preview ===== */
.selected-cards-container {
    text-align: center;
    margin-bottom: 2rem;
}

.selected-count {
    font-size: 1.2rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.selected-cards-preview {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.selected-card-mini {
    width: 60px;
    height: 90px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    border: 2px solid var(--color-secondary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: bounceIn 0.5s ease;
}

/* ===== Reading Cards Display ===== */
.reading-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.reading-card {
    background: rgba(30, 30, 40, 0.6);
    border: 2px solid var(--color-border);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.8s ease;
}

.reading-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.reading-card-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.reading-card:hover .reading-card-image {
    transform: scale(1.05);
}

.reading-card-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
    margin-bottom: 0.5rem;
}

.reading-card-position {
    font-size: 1rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.reading-card-position.reversed {
    color: var(--color-accent);
}

/* ===== AI Reading ===== */
.ai-reading {
    background: rgba(20, 20, 30, 0.6);
    border: 2px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    min-height: 200px;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(157, 78, 221, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.reading-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    white-space: normal;
    animation: fadeIn 1s ease;
}

/* ===== Conversation Area ===== */
.conversation-area {
    margin-top: 3rem;
    animation: fadeIn 0.5s ease;
}

.conversation-title {
    font-size: 1.5rem;
    color: var(--color-primary-light);
    margin-bottom: 1rem;
    text-align: center;
}

.conversation-history {
    max-height: 500px;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(10, 10, 20, 0.4);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.conversation-history::-webkit-scrollbar {
    width: 8px;
}

.conversation-history::-webkit-scrollbar-track {
    background: rgba(30, 30, 40, 0.3);
    border-radius: 4px;
}

.conversation-history::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.message {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.5s ease;
}

.message-user {
    text-align: right;
}

.message-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.message-content {
    display: inline-block;
    padding: 1rem 1.5rem;
    border-radius: 16px;
    max-width: 80%;
    line-height: 1.6;
}

.message-user .message-content {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-bottom-right-radius: 4px;
}

.message-ai .message-content {
    background: rgba(30, 30, 40, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.conversation-input-container {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.conversation-input {
    flex: 1;
    padding: 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    background: rgba(30, 30, 40, 0.6);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text);
    resize: vertical;
    transition: all var(--transition-normal);
}

.conversation-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(157, 78, 221, 0.3);
}

/* ===== Action Buttons ===== */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@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 bounceIn {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .container {
        padding: 1rem 0.5rem;
    }

    .glass-card {
        padding: 2rem 1rem;
    }

    .card-deck {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
        gap: 0.5rem;
    }

    .reading-cards {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

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

    .conversation-input-container {
        flex-direction: column;
    }

    .message-content {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .card-deck {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }
}

/* ===== Markdown Content Styling ===== */
.reading-text p,
.message-content p {
    margin-bottom: 1rem;
}

.reading-text p:last-child,
.message-content p:last-child {
    margin-bottom: 0;
}

.reading-text h3,
.message-content h3 {
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 214, 10, 0.3);
    padding-bottom: 0.3rem;
}

.reading-text strong,
.message-content strong {
    color: var(--color-primary-light);
    font-weight: 700;
}

.reading-text ul,
.reading-text ol,
.message-content ul,
.message-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.reading-text li,
.message-content li {
    margin-bottom: 0.5rem;
}