:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;

    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(30, 30, 60, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #6b7280;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);

    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.4);

    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);

    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.05);

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.2);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
}

[data-theme="light"] .sun-icon,
[data-theme="dark"] .moon-icon {
    opacity: 1;
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
    opacity: 0;
    position: absolute;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: float 20s infinite linear;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: -5s;
    background: var(--gradient-secondary);
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: -15s;
    background: var(--gradient-accent);
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 10%;
    left: 60%;
    animation-delay: -7s;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
    100% {
        transform: translateY(0px) rotate(360deg);
    }
}

/* Stars Animation */
.stars-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.interactive-star {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Home Screen */
.home-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.home-screen.hidden {
    display: none;
}

.home-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-section {
    margin-bottom: 4rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-icon {
    width: 1em;
    height: 1em;
    filter: drop-shadow(0 0 20px rgba(102, 102, 255, 0.5));
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.option-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

.option-card:hover::before {
    transform: scaleX(1);
}

.option-card.coming-soon {
    opacity: 0.7;
    cursor: not-allowed;
}

.option-card.coming-soon:hover {
    transform: none;
    box-shadow: var(--shadow-lg);
}

.option-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.option-icon svg {
    width: 40px;
    height: 40px;
}

.option-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.option-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.option-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.feature-tag {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.option-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

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

.btn-arrow {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.option-btn:hover .btn-arrow {
    transform: translateX(4px);
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--warning-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Constellation Screen */
.constellation-screen {
    display: none;
    min-height: 100vh;
    padding: 2rem 0;
}

.constellation-screen.active {
    display: block;
}

/* Moon Screen */
.moon-screen {
    display: none;
    min-height: 100vh;
    padding: 2rem 0;
}

.moon-screen.active {
    display: block;
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-icon {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0;
}

/* Moon Display */
.moon-display {
    margin-bottom: 2rem;
}

.moon-image {
    width: 100%;
    height: auto;
    display: block;
}

.moon-info {
    display: none;
}

.moon-info.show {
    display: block;
}

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

.back-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.back-btn:hover {
    background: var(--bg-glass);
    transform: translateX(-2px);
}

.back-btn svg {
    width: 16px;
    height: 16px;
}

.screen-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.title-icon {
    width: 20px !important;
    height: 20px !important;
}

/* Main Layout */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Search Panel */
.search-panel {
    min-height: fit-content;
}

.search-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.search-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-icon {
    width: 18px !important;
    height: 18px !important;
}

/* Form Elements */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.label-icon {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0;
}

.form-select,
.form-input {
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.search-btn {
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.search-btn:hover:not(.loading) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.search-btn.loading {
    cursor: not-allowed;
    opacity: 0.8;
}

.btn-text {
    transition: var(--transition-fast);
}

.btn-loading {
    display: none;
}

.search-btn.loading .btn-text,
.search-btn.loading .btn-icon {
    display: none;
}

.search-btn.loading .btn-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0;
}

.loading-spinner {
    width: 16px !important;
    height: 16px !important;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Suggestions Panel */
.suggestions-panel {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.suggestions-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.suggestions-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.suggestions-icon {
    width: 16px !important;
    height: 16px !important;
}

.suggestions-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.suggestions-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.suggestion-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.suggestion-item:hover {
    background: var(--border-color);
    transform: translateX(4px);
}

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

.suggestion-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.suggestion-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Loading Section */
.loading-section {
    display: none;
    text-align: center;
    padding: 3rem;
}

.loading-section.show {
    display: block;
}

.loading-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.loading-animation {
    margin-bottom: 2rem;
}

.loading-stars {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.star {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.star:nth-child(1) { animation-delay: -0.32s; }
.star:nth-child(2) { animation-delay: -0.16s; }
.star:nth-child(3) { animation-delay: 0s; }
.star:nth-child(4) { animation-delay: 0.16s; }
.star:nth-child(5) { animation-delay: 0.32s; }

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

.loading-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

.loading-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-glass);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

/* Results Section */
.results-section {
    display: none;
}

.results-section.show {
    display: block;
}

.results-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.results-icon {
    width: 16px !important;
    height: 16px !important;
}

.results-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.action-btn svg {
    width: 14px !important;
    height: 14px !important;
}

.constellation-display {
    margin-bottom: 2rem;
}

.image-container {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.constellation-image {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem;
    color: white;
}

.overlay-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.overlay-description {
    opacity: 0.9;
}

/* Info Cards */
.constellation-info {
    display: none;
}

.constellation-info.show {
    display: block;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.info-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-icon {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0;
}

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

.info-content a {
    color: var(--primary-color);
    text-decoration: none;
}

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

/* Error Section */
.error-section {
    display: none;
    text-align: center;
    padding: 3rem;
}

.error-section.show {
    display: block;
}

.error-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--error-color);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.error-icon {
    width: 28px !important;
    height: 28px !important;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-message {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.error-details {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    margin-bottom: 2rem;
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: left;
    white-space: pre-wrap;
    word-break: break-word;
}

.retry-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

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

.retry-btn svg {
    width: 16px !important;
    height: 16px !important;
}

/* Config Section */
.config-section {
    margin-top: 3rem;
}

.config-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.config-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.config-icon {
    width: 16px !important;
    height: 16px !important;
}

.config-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.config-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
}

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

.config-btn svg {
    width: 16px !important;
    height: 16px !important;
}

.config-help {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.config-help h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.config-help ol {
    color: var(--text-secondary);
    padding-left: 1.5rem;
    line-height: 1.6;
}

.config-help li {
    margin-bottom: 0.5rem;
}

.config-help a {
    color: var(--primary-color);
    text-decoration: none;
}

.config-help a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 500px;
    transform: translateY(-100px);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0;
}

.toast-success {
    border-color: var(--success-color);
}

.toast-success .toast-icon {
    color: var(--success-color);
}

.toast-error {
    border-color: var(--error-color);
}

.toast-error .toast-icon {
    color: var(--error-color);
}

.toast-warning {
    border-color: var(--warning-color);
}

.toast-warning .toast-icon {
    color: var(--warning-color);
}

.toast-info {
    border-color: var(--primary-color);
}

.toast-info .toast-icon {
    color: var(--primary-color);
}

/* Header */
.header {
    padding: 4rem 0 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
    position: relative;
    z-index: 1;
}

/* Tabs */
.search-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.tab-button:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.tab-button.active {
    color: var(--primary-color);
    background: var(--bg-glass);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-icon {
    font-size: 1.2em;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.input-group {
    display: flex;
    gap: 1rem;
}

/* Filters */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 3rem;
}

.loading.show {
    display: block;
}

.results-count {
    background: var(--bg-glass);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Repository Card */
.repo-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.repo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.repo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

.repo-card:hover::before {
    transform: scaleX(1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .options-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .info-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .theme-toggle {
        top: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }

    .toast {
        min-width: 280px;
        margin: 0 1rem;
    }
}