/* =========================================
   SERAP GEREBİÇ INFLUENCER RAPORU
   Apple-Stripe Minimalist Design System
   ========================================= */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #F5F5F7;
    --color-surface: #FFFFFF;
    --color-text-primary: #1D1D1F;
    --color-text-secondary: #86868B;
    --color-text-tertiary: #AEAEB2;
    --color-accent: #0071E3;
    --color-accent-light: #E8F4FD;
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    --color-border: #E5E5E7;
    --color-border-light: #F0F0F2;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #0071E3 0%, #00C7BE 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 80px rgba(0,0,0,0.16);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* =========================================
   HEADER
   ========================================= */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border-light);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--color-accent-light);
    color: var(--color-accent);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

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

.hero-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--spacing-2xl);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: var(--transition-base);
}

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

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* =========================================
   FILTER SECTION
   ========================================= */
.filter-section {
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 64px;
    z-index: 50;
    background: rgba(245, 245, 247, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-select {
    appearance: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text-primary);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: var(--transition-fast);
}

.filter-select:hover {
    border-color: var(--color-accent);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.search-group {
    flex: 1;
    min-width: 200px;
}

.search-input {
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

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

.search-input:hover {
    border-color: var(--color-accent);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* =========================================
   INFLUENCER GRID
   ========================================= */
.influencers-section {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.influencers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* Influencer Card */
.influencer-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.influencer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition-base);
}

.influencer-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #E8E8ED 0%, #D1D1D6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-handle {
    font-size: 14px;
    color: var(--color-accent);
    text-decoration: none;
}

.card-score {
    width: 48px;
    height: 48px;
    position: relative;
}

.score-ring {
    width: 100%;
    height: 100%;
    position: relative;
}

.score-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-ring-bg {
    fill: none;
    stroke: var(--color-border-light);
    stroke-width: 3;
}

.score-ring-fill {
    fill: none;
    stroke: var(--color-success);
    stroke-width: 3;
    stroke-linecap: round;
    transition: stroke-dasharray 0.6s ease;
}

.score-ring-fill.medium {
    stroke: var(--color-warning);
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.card-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.card-stat {
    display: flex;
    flex-direction: column;
}

.card-stat-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.card-stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.card-niche {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.card-action {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    opacity: 0;
    transform: translateX(8px);
    transition: var(--transition-base);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.influencer-card:hover .card-action {
    opacity: 1;
    transform: translateX(0);
}

/* =========================================
   MODAL
   ========================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px) scale(0.98);
    transition: var(--transition-slow);
    position: relative;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-bg);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

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

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-right: var(--spacing-2xl);
}

.modal-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #E8E8ED 0%, #D1D1D6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    flex-shrink: 0;
}

.modal-info {
    flex: 1;
}

.modal-name {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-xs);
}

.modal-handle {
    font-size: 15px;
    color: var(--color-accent);
    text-decoration: none;
}

.modal-handle:hover {
    text-decoration: underline;
}

.modal-score {
    text-align: center;
}

.modal-score .score-ring {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-xs);
}

.modal-score .score-value {
    font-size: 18px;
}

.modal-score .score-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.modal-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.modal-stat {
    text-align: center;
}

.modal-stat-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.modal-stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--spacing-md);
    overflow-x: auto;
}

.modal-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

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

.modal-tab.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.modal-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-list {
    list-style: none;
}

.content-list li {
    position: relative;
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.content-list li:last-child {
    border-bottom: none;
}

.content-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--spacing-md);
    width: 20px;
    height: 20px;
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-full);
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.risk-list li::before {
    content: '!';
    background: var(--color-warning);
}

#tab-scenario p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-primary);
}

/* Box Preview */
.box-preview {
    background: linear-gradient(135deg, #FFF5F5 0%, #FFF0E8 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.box-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.box-icon {
    font-size: 24px;
}

.box-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.box-items {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.box-items li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-primary);
}

.box-items li::before {
    content: '🥮';
    font-size: 16px;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid var(--color-border-light);
}

.footer-text {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-select,
    .search-input {
        width: 100%;
    }
    
    .influencers-grid {
        grid-template-columns: 1fr;
    }
    
    .modal {
        max-height: 90vh;
        margin: var(--spacing-md);
    }
    
    .modal-header {
        flex-wrap: wrap;
    }
    
    .modal-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .modal-tabs {
        gap: var(--spacing-xs);
    }
    
    .modal-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .modal-header {
        flex-direction: column;
        text-align: center;
        padding-right: 0;
    }
    
    .modal-score {
        margin-top: var(--spacing-md);
    }
}

/* =========================================
   UTILITIES
   ========================================= */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 16px;
}