/* ===================================
   CSS Variables & Design System
   =================================== */
:root {
    /* Colors - Vibrant & Dynamic Palette */
    --color-primary: hsl(280, 85%, 60%);
    --color-primary-light: hsl(280, 85%, 70%);
    --color-primary-dark: hsl(280, 85%, 50%);
    --color-secondary: hsl(200, 90%, 55%);
    --color-accent: hsl(340, 95%, 60%);
    --color-success: hsl(145, 70%, 55%);
    --color-error: hsl(0, 85%, 60%);

    /* Dark Theme Background */
    --bg-primary: hsl(240, 15%, 8%);
    --bg-secondary: hsl(240, 12%, 12%);
    --bg-tertiary: hsl(240, 10%, 16%);
    --bg-elevated: hsl(240, 12%, 18%);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Text Colors */
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(0, 0%, 75%);
    --text-tertiary: hsl(0, 0%, 55%);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-overlay: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 100%);

    /* 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;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);

    /* 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: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 191, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

/* ===================================
   Header
   =================================== */
.header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    position: relative;
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.2em;
    animation: pulse 2s ease-in-out infinite;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-accent {
    color: var(--color-accent);
    -webkit-text-fill-color: var(--color-accent);
}

.tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    font-weight: 300;
}

/* ===================================
   Search Section
   =================================== */
.search-section {
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

.search-box {
    max-width: 800px;
    margin: 0 auto;
}

.search-input-wrapper {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.search-input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.2), var(--shadow-lg);
    transform: translateY(-2px);
}

.search-icon {
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1.125rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

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

.clear-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.clear-btn.visible {
    display: flex;
}

.clear-btn:hover {
    background: var(--color-error);
    color: white;
    transform: scale(1.1);
}

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

/* ===================================
   Results Section
   =================================== */
.results-section {
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

/* Loading State */
.loading-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-md);
}

.loading-state.active {
    display: flex;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Error State */
.error-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    gap: var(--spacing-md);
}

.error-state.active {
    display: flex;
}

.error-icon {
    font-size: 4rem;
}

.error-state h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
}

.error-state p {
    color: var(--text-secondary);
    max-width: 500px;
}

.retry-btn {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

/* Empty State */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    gap: var(--spacing-md);
}

.empty-state.active {
    display: flex;
}

.empty-icon {
    font-size: 4rem;
    opacity: 0.5;
}

.empty-state h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
}

/* Results Info */
.results-info {
    display: none;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    width: fit-content;
}

.results-info.active {
    display: block;
}

.results-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.results-info strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    opacity: 0;
    animation: fadeIn var(--transition-slow) forwards;
}

/* Artist Card */
.artist-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    animation: slideUp var(--transition-slow) backwards;
}

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

.artist-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.artist-card:hover::before {
    opacity: 1;
}

.artist-avatar {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.artist-info {
    padding: var(--spacing-md);
}

.artist-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.artist-service {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.artist-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* ===================================
   Modal
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn var(--transition-base) forwards;
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1200px;
    /* Wider for Instagram-like grid */
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow-xl);
    animation: scaleIn var(--transition-slow) forwards;
    z-index: 1001;
}

.modal-close {
    position: sticky;
    /* Sticky so it stays visible when scrolling */
    top: var(--spacing-md);
    left: calc(100% - var(--spacing-md) - 40px);
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 1002;
    margin-bottom: calc(-40px - var(--spacing-md));
    /* Negative margin to not affect layout */
}

.modal-close:hover {
    background: var(--color-error);
    border-color: var(--color-error);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

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

.artist-detail-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.artist-detail-name {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.artist-detail-service {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-weight: 600;
}

/* Instagram-style Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    /* Instagram uses minimal gap */
    margin-top: var(--spacing-lg);
}

.media-item {
    position: relative;
    aspect-ratio: 1;
    /* Square like Instagram */
    background: var(--bg-tertiary);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.media-item:hover {
    transform: scale(0.98);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

/* Overlay on hover */
.media-item::before {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 2;
    pointer-events: none;
}

.media-item:hover::before {
    opacity: 1;
}

/* Dark overlay on hover */
.media-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.media-item:hover::after {
    opacity: 1;
}

.media-item img,
.media-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Video overlay indicator */
.video-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    opacity: 0.9;
    pointer-events: none;
    z-index: 5;
}

/* Instagram-style variant with tighter grid */
.media-grid.instagram-style {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2px;
    padding: 0;
}

@media (max-width: 768px) {
    .media-grid.instagram-style {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .media-grid.instagram-style {
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
    }
}

/* Post info overlay at bottom */
.media-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 3;
    pointer-events: none;
}

.media-item:hover .media-info {
    opacity: 1;
}

.media-info .post-title {
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    display: block;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
    line-height: 1.3;
}

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

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

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

@keyframes pulse {

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

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

/* Add staggered animation delay */
.artist-card:nth-child(1) {
    animation-delay: 0ms;
}

.artist-card:nth-child(2) {
    animation-delay: 50ms;
}

.artist-card:nth-child(3) {
    animation-delay: 100ms;
}

.artist-card:nth-child(4) {
    animation-delay: 150ms;
}

.artist-card:nth-child(5) {
    animation-delay: 200ms;
}

.artist-card:nth-child(6) {
    animation-delay: 250ms;
}

.artist-card:nth-child(7) {
    animation-delay: 300ms;
}

.artist-card:nth-child(8) {
    animation-delay: 350ms;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-md);
    }

    .logo {
        font-size: 2rem;
    }

    .search-input-wrapper {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .search-input {
        font-size: 1rem;
    }

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

    .artist-detail-name {
        font-size: 1.75rem;
    }

    .media-grid {
        grid-template-columns: repeat(3, 1fr);
        /* Keep 3 columns on tablet */
        gap: 3px;
    }
}

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

    .modal-content {
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }

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

    .artist-detail-name {
        font-size: 1.5rem;
    }

    .media-grid {
        grid-template-columns: repeat(3, 1fr);
        /* 3 columns like Instagram mobile */
        gap: 2px;
    }
}