:root {
    --primary-green: #10b981;
    --primary-green-dark: #059669;
    --primary-green-darker: #047857;
    --primary-green-light: #34d399;
    --primary-green-lighter: #6ee7b7;
    --primary-cyan: #06b6d4;
    --primary-cyan-dark: #0891b2;
    --primary-cyan-light: #22d3ee;
    --primary-cyan-lighter: #67e8f9;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea, select {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    user-select: text !important;
}

html {
    scroll-behavior: smooth;
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
    color: #e5e5e5;
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection, ::-moz-selection {
    background: rgba(16, 185, 129, 0.3);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

header {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #222;
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(17, 17, 17, 0.98);
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: var(--shadow-lg);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) 0;
    transition: padding 0.3s ease;
}

header.scrolled nav {
    padding: var(--spacing-3) 0;
}

.logo {
    font-size: 1.875rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green-light), var(--primary-cyan-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    transition: transform 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.3));
}

.logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.1);
    filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.6));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-links a {
    color: var(--gray-200);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: 8px;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-cyan));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--primary-green-lighter);
    background: rgba(16, 185, 129, 0.1);
}

.nav-links a:hover::before {
    width: 80%;
}

.main-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: 120px 0 40px 0;
}

.hero-section {
    background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-16) 0;
    text-align: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(16, 185, 129, 0.05) 50%, transparent 60%);
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; transform: translateX(-10px); }
    50% { opacity: 0.6; transform: translateX(10px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-6);
    background: linear-gradient(135deg, #fff 20%, var(--primary-green-lighter) 40%, var(--primary-cyan-light) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--gray-200);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-8);
}

.company-tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
    flex-wrap: wrap;
    padding: var(--spacing-2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    justify-content: center;
    align-items: center;
}

.company-tab {
    padding: var(--spacing-3) var(--spacing-5);
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--gray-300);
}

.company-tab.active {
    background: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
    box-shadow: var(--shadow-sm);
}

.company-tab:hover:not(.active) {
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-green-lighter);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-6);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(16, 185, 129, 0.3);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    background: linear-gradient(135deg, var(--primary-green-light), var(--primary-cyan-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    min-height: 44px;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green-dark), var(--primary-green));
    color: white;
    border: 1px solid var(--primary-green);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.5);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
}

.btn-secondary {
    background: rgba(75, 85, 99, 0.8);
    color: var(--gray-200);
    border: 1px solid var(--gray-600);
}

.btn-secondary:hover {
    background: rgba(75, 85, 99, 0.9);
    transform: translateY(-2px);
    border-color: var(--gray-500);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--primary-green);
    color: var(--primary-green-lighter);
}

.card {
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid var(--gray-700);
    border-radius: 20px;
    backdrop-filter: blur(30px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03), rgba(6, 182, 212, 0.03));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-green);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(16, 185, 129, 0.2);
}

.section {
    margin-bottom: var(--spacing-8);
    position: relative;
}

.section-header {
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    border-bottom: 1px solid var(--gray-700);
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-2);
    background: linear-gradient(135deg, white 20%, var(--primary-green-lighter) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--gray-400);
    font-weight: 400;
}

.section-content {
    padding: var(--spacing-8);
    position: relative;
    z-index: 1;
}

.upload-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.upload-card {
    border: 2px dashed var(--gray-600);
    border-radius: 16px;
    padding: var(--spacing-8);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    overflow: hidden;
}

.upload-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(6, 182, 212, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.upload-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.upload-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.upload-card-title {
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-2);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.upload-card-desc {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.file-input {
    display: none;
}

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

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: var(--spacing-2);
}

.form-input, .form-select {
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--gray-600);
    border-radius: 8px;
    font-size: 0.9rem;
    background: rgba(17, 17, 17, 0.8);
    color: var(--gray-200);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.campaigns-table {
    display: none;
    margin-top: var(--spacing-6);
}

.campaigns-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.campaigns-header h3 {
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.campaigns-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.campaigns-container {
    background: rgba(17, 17, 17, 0.95);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-700);
    max-height: 600px;
    overflow-y: auto;
}

.campaign-header.zero-performance {
    background: rgba(107, 114, 128, 0.3);
    border-left: 4px solid #6B7280;
}

.zero-state-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-400);
    font-size: 0.8rem;
    margin-left: 8px;
}

.campaign-group {
    border-bottom: 1px solid var(--gray-700);
}

.campaign-group:last-child {
    border-bottom: none;
}

.campaign-header {
    background: rgba(31, 41, 55, 0.8);
    color: white;
    padding: var(--spacing-5);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    position: relative;
    backdrop-filter: blur(10px);
}

.campaign-header:hover {
    background: rgba(16, 185, 129, 0.1);
    transform: translateX(2px);
}

.campaign-header.expanded {
    background: rgba(16, 185, 129, 0.15);
    border-bottom: 2px solid var(--primary-green);
}

.campaign-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-500);
    border-radius: 4px;
    cursor: pointer;
    appearance: none;
    position: relative;
    background: rgba(17, 17, 17, 0.9);
    transition: all 0.2s ease;
}

.campaign-checkbox:checked {
    background: var(--primary-green);
    border-color: var(--primary-green);
}

.campaign-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: 600;
}

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

.campaign-name {
    font-weight: 600;
    font-size: 1.2rem;
    color: white;
    margin-bottom: var(--spacing-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.campaign-meta {
    font-size: 0.85rem;
    color: var(--gray-400);
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
    flex-wrap: wrap;
}

.campaign-metrics {
    display: flex;
    gap: var(--spacing-5);
    align-items: center;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.campaign-metric {
    text-align: center;
    min-width: 80px;
}

.campaign-metric-value {
    font-weight: 600;
    color: white;
    font-size: 0.95rem;
    display: block;
}

.campaign-metric-label {
    font-size: 0.7rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.campaign-toggle {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: var(--spacing-1);
    border-radius: 4px;
    flex-shrink: 0;
}

.campaign-toggle:hover {
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-green);
}

.campaign-toggle.expanded {
    transform: rotate(90deg);
    color: var(--primary-green);
}

.adsets-content {
    display: none;
    background: rgba(15, 23, 42, 0.8);
    border-top: 1px solid var(--gray-700);
}

.adsets-content.expanded {
    display: block;
}

.adset-group {
    border-bottom: 1px solid var(--gray-700);
}

.adset-group:last-child {
    border-bottom: none;
}

.adset-header {
    background: rgba(30, 41, 59, 0.8);
    color: white;
    padding: var(--spacing-4) var(--spacing-5) var(--spacing-4) var(--spacing-10);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    position: relative;
}

.adset-header:hover {
    background: rgba(6, 182, 212, 0.1);
    transform: translateX(2px);
}

.adset-header.expanded {
    background: rgba(6, 182, 212, 0.15);
    border-bottom: 1px solid var(--primary-cyan);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.kpi-card {
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid var(--gray-700);
    border-radius: 16px;
    padding: var(--spacing-8);
    position: relative;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-cyan));
    border-radius: 16px 16px 0 0;
}

.kpi-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-400);
    margin-bottom: var(--spacing-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-2);
    line-height: 1;
}

.kpi-change {
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--gray-400);
}

.ranking-filters {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    background: rgba(17, 17, 17, 0.8);
    padding: var(--spacing-2);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.filter-btn {
    padding: var(--spacing-3) var(--spacing-5);
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-400);
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: var(--primary-green);
    color: white;
    box-shadow: var(--shadow-md);
}

.filter-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-300);
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.ranking-item {
    display: grid;
    grid-template-columns: 80px 1fr 120px;
    gap: var(--spacing-6);
    align-items: center;
    padding: var(--spacing-6);
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid var(--gray-700);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    backdrop-filter: blur(20px);
}

.ranking-item:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.ranking-item.top-performer {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(17, 17, 17, 0.95));
}

.ranking-item.top-performer::before {
    content: 'TOP PERFORMER';
    position: absolute;
    top: -1px;
    right: var(--spacing-6);
    background: var(--primary-green);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: 0 0 8px 8px;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.ranking-item.zero-performance {
    background: rgba(107, 114, 128, 0.1);
    border-color: var(--gray-600);
}

#segmentChart {
    max-width: 100%;
    height: auto;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-6);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: rgba(17, 17, 17, 0.98);
    border-radius: 20px;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-700);
    backdrop-filter: blur(30px);
}

.modal-header {
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    border-bottom: 1px solid var(--gray-700);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(20px);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.modal-close {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: var(--spacing-2);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.4);
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-8);
    line-height: 1.7;
}

.modal-footer {
    padding: var(--spacing-6) var(--spacing-8);
    border-top: 1px solid var(--gray-700);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-4);
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(20px);
}

.terms-section {
    margin-bottom: var(--spacing-8);
}

.terms-section h3 {
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-4);
    font-size: 1.125rem;
}

.terms-section p, .terms-section li {
    color: var(--gray-300);
    margin-bottom: var(--spacing-3);
    font-size: 0.95rem;
}

.terms-section ul {
    padding-left: var(--spacing-6);
}

.terms-section li {
    margin-bottom: var(--spacing-2);
}

.company-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    background: rgba(31, 41, 55, 0.5);
    border-radius: 12px;
    margin-bottom: var(--spacing-3);
    border: 1px solid var(--gray-700);
    transition: all 0.3s ease;
}

.company-item.active {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--primary-green);
}

.company-info {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-1);
}

.company-stats {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.company-actions {
    display: flex;
    gap: var(--spacing-2);
}

.btn-small {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: 0.75rem;
    border-radius: 6px;
}

.btn-danger {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.share-link-container {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-3);
}

.share-link-container input {
    flex: 1;
}

.loading {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 17, 17, 0.95);
    color: white;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    font-weight: 500;
    z-index: 9999;
    backdrop-filter: blur(10px);
}

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

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-6);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.alert {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: 12px;
    margin-bottom: var(--spacing-6);
    font-size: 0.9rem;
    border: 1px solid;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--primary-green);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.export-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

@media (max-width: 1024px) {
    .main-container {
        padding: 0 var(--spacing-4);
    }
    
    .ranking-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-4);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .main-container {
        padding: 0 var(--spacing-3);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .campaigns-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }

    .campaign-header {
        padding: var(--spacing-4);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }

    .campaign-metrics {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2);
        width: 100%;
    }

    .modal-content {
        margin: var(--spacing-4);
        max-width: calc(100vw - 32px);
    }

    .upload-grid, .kpi-grid {
        grid-template-columns: 1fr;
    }

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 0 var(--spacing-2);
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    
    .section-content {
        padding: var(--spacing-6);
    }

    .campaigns-actions {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.success-feedback {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: white;
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: 12px;
    position: fixed;
    top: var(--spacing-5);
    right: var(--spacing-5);
    z-index: 10000;
    animation: slideIn 0.3s ease-out, fadeOut 0.3s ease-in 2.7s forwards;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

@keyframes slideIn {
    0% { transform: translateX(100%); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    0% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(100%); }
}