/* ===== Premium Design System ===== */
:root {
    /* Sophisticated Color Palette */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* Vibrant Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);

    /* Accent Colors */
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-blue: #4facfe;
    --accent-pink: #f5576c;
    --accent-green: #43e97b;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b4b4c8;
    --text-muted: #6b6b80;
    --text-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Border & Shadow */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(102, 126, 234, 0.3);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ===== Header ===== */
.header {
    background: rgba(26, 26, 46, 0.8);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: var(--font-size-3xl);
    filter: drop-shadow(0 0 12px rgba(102, 126, 234, 0.6));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* ===== Main ===== */
.main {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 200px);
}

/* ===== Section ===== */
.section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ===== Welcome Section ===== */
.welcome-section {
    padding: var(--spacing-2xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 700px;
    text-align: center;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.welcome-card h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-card>p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.welcome-steps {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.step:hover {
    background: rgba(255, 255, 255, 0.04);
    transform: translateX(8px);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-content a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.step-content a:hover {
    text-decoration: underline;
}

/* ===== Horizontal Category Layout ===== */
.pattern-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.pattern-category {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
}

.pattern-category:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.category-icon {
    font-size: var(--font-size-3xl);
    filter: drop-shadow(0 2px 8px rgba(102, 126, 234, 0.4));
}

.category-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* ===== Horizontal Scrolling Pattern Grid ===== */
.pattern-scroll-container {
    position: relative;
    margin: 0 calc(-1 * var(--spacing-lg));
    padding: 0 var(--spacing-lg);
}

.pattern-grid {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
    padding-bottom: var(--spacing-sm);
}

.pattern-grid::-webkit-scrollbar {
    height: 6px;
}

.pattern-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.pattern-grid::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* ===== Pattern Card ===== */
.pattern-card {
    flex: 0 0 280px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.pattern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.pattern-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.pattern-card:hover::before {
    opacity: 0.1;
}

.pattern-card.selected {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.15);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2), var(--shadow-md);
}

.pattern-card.selected::before {
    opacity: 0.2;
}

.pattern-card>* {
    position: relative;
    z-index: 1;
}

.pattern-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.pattern-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.pattern-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.6;
}

.pattern-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-primary);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

/* ===== Compact Pattern Chip Grid ===== */
.pattern-grid-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.pattern-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.pattern-chip:hover {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.pattern-chip.selected {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.15);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2), 0 4px 12px rgba(102, 126, 234, 0.2);
}

.chip-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.chip-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .pattern-grid-compact {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .pattern-chip {
        padding: 10px 12px;
        gap: 6px;
    }

    .chip-icon {
        font-size: 1.2rem;
    }

    .chip-name {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .pattern-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Options ===== */
.options-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.option-group {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
}

.option-group:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.option-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.option-icon {
    font-size: var(--font-size-2xl);
}

.option-help {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

/* ===== Slider ===== */
.slider-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.slider {
    flex: 1;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-fast);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.slider-display {
    min-width: 90px;
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Input ===== */
.input {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

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

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary,
.btn-icon-only {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    min-height: 48px;
    min-width: 48px;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-xl);
    min-height: 64px;
}

.btn-generate {
    width: 100%;
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.btn-icon {
    font-size: var(--font-size-2xl);
}

.btn-icon-only {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-xl);
}

.btn-icon-only:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
}

/* ===== Output Section ===== */
.output-section {
    animation: slideIn var(--transition-slow);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.output-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

/* --- Title Area --- */
.output-title-area {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    position: relative;
    overflow: hidden;
}

.output-title-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.output-title-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
    position: relative;
}

.output-title-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin: 0;
    position: relative;
}

/* --- Stats Bar --- */
.output-stats-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.output-stat {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.output-stat-icon {
    font-size: var(--font-size-sm);
}

.output-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.output-stat-value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.output-stat-divider {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    flex-shrink: 0;
}

.output-actions-inline {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-action:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-action-icon {
    font-size: var(--font-size-sm);
}

.btn-action-text {
    font-size: var(--font-size-xs);
}

/* --- Script Content --- */
.output-content {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
}

.script-content-wrapper {
    max-height: 500px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
}

.script-content-wrapper::-webkit-scrollbar {
    width: 6px;
}

.script-content-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.script-content-wrapper::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 3px;
}

.script-content-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

.script-text {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.05rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.01em;
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: keep-all;
    margin: 0;
    background: none;
    border: none;
}

.paragraph-line {
    display: block;
    margin-bottom: var(--spacing-md);
    line-height: 2;
}

.dialogue-line {
    display: block;
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
    font-style: italic;
}

.dialogue-marker {
    color: var(--accent-primary);
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

.scene-line {
    display: block;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(102, 126, 234, 0.08);
    border-left: 4px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    line-height: 1.8;
}

.scene-marker {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-right: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.05em;
}

/* --- Character Stats --- */
.output-char-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: rgba(102, 126, 234, 0.06);
    border-top: 1px solid var(--border-color);
}

.char-stat-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.char-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.char-stat-value {
    font-size: var(--font-size-sm);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.char-stat-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
}

/* --- Selected Topic --- */
.selected-topic-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(79, 172, 254, 0.08);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(79, 172, 254, 0.15);
}

.topic-icon {
    font-size: var(--font-size-base);
}

.topic-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 600;
}

.topic-text {
    font-size: var(--font-size-sm);
    color: var(--accent-blue);
    font-weight: 700;
}

/* --- Output Footer --- */
.output-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
}

.btn-regenerate {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-regenerate:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: rgba(102, 126, 234, 0.1);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    background: rgba(26, 26, 46, 0.8);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(20px);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    padding: var(--spacing-md);
    overflow-y: auto;
    backdrop-filter: blur(8px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    max-width: 550px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-slow);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }

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

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-3xl);
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.modal-description a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.modal-description a:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.input-with-toggle {
    display: flex;
    gap: var(--spacing-sm);
}

.input-with-toggle .input {
    flex: 1;
}

.btn-toggle {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-xl);
    min-width: 48px;
    transition: all var(--transition-base);
}

.btn-toggle:hover {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.status-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-message.success {
    background: rgba(67, 233, 123, 0.1);
    border: 1px solid rgba(67, 233, 123, 0.3);
    color: var(--accent-green);
}

.status-message.error {
    background: rgba(245, 87, 108, 0.1);
    border: 1px solid rgba(245, 87, 108, 0.3);
    color: var(--accent-pink);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 35, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(12px);
}

.loading-content {
    text-align: center;
}

.spinner {
    width: 70px;
    height: 70px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

.loading-content p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: 600;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .pattern-card {
        flex: 0 0 240px;
    }

    .options-container {
        grid-template-columns: 1fr;
    }

    .output-content {
        max-height: 400px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .logo {
        font-size: var(--font-size-xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .pattern-card {
        flex: 0 0 220px;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

*:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 3px;
}