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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f6fa;
    color: #2f3640;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-box {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 32px;
    color: #667eea;
    margin-bottom: 8px;
}

.auth-header p {
    color: #666;
    font-size: 16px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h1 {
    font-size: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(102, 126, 234, 0.2);
    border-left-color: #667eea;
    color: white;
}

.nav-icon {
    font-size: 20px;
    margin-right: 12px;
    width: 28px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.logout-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    text-decoration: none;
}

.logout-link:hover {
    color: white;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    min-height: 100vh;
}

/* Dashboard Header */
.dashboard-header {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h1 {
    font-size: 32px;
    color: #2f3640;
}

.dashboard-header p {
    color: #666;
    margin-top: 5px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-right: 16px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: #2f3640;
}

.stat-label {
    color: #666;
    font-size: 14px;
    margin-top: 4px;
}

.stat-percentage {
    color: #43e97b;
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

/* Business Tabs */
.business-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 0;
}

.business-tab-btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.business-tab-btn:hover {
    color: #667eea;
    background: #f5f6fa;
}

.business-tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

/* Search Bar */
.search-bar-container {
    margin-bottom: 20px;
}

.search-input {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.search-input::placeholder {
    color: #999;
}

/* Card */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.card-header {
    padding: 24px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 20px;
    color: #2f3640;
}

.card-body {
    padding: 24px;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2f3640;
}

.form-group input,
.form-group textarea,
.form-group select,
.form-input,
.form-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    color: #999;
    font-size: 12px;
    margin-top: 4px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #e0e0e0;
    color: #2f3640;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-danger {
    background: #f5576c;
    color: white;
}

.btn-danger:hover {
    background: #e54656;
}

.btn-success {
    background: #43e97b;
    color: white;
}

.btn-block {
    width: 100%;
}

/* Messages */
.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.success-message {
    background: #efe;
    color: #3c3;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Loading */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

.loading-spinner {
    text-align: center;
    padding: 40px;
    color: #999;
}

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

/* Business List */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.business-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s;
}

.business-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.business-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.business-logo {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-right: 15px;
}

.business-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.business-info h3 {
    font-size: 18px;
    margin-bottom: 4px;
}

.business-type {
    color: #999;
    font-size: 14px;
}

.business-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 15px 0;
    padding: 15px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

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

.business-stat-value {
    font-size: 20px;
    font-weight: bold;
    color: #667eea;
}

.business-stat-label {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}

.business-actions {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 24px;
    color: #2f3640;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: #999;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #2f3640;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: #f8f9fa;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.data-table th {
    font-weight: 600;
    color: #2f3640;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

/* Filter Controls */
.filter-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
    color: #2f3640;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #f5f5f5;
    color: #333;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Theme color dots in business cards */
.business-theme-preview {
    margin: 12px 0;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
}

.theme-colors {
    display: flex;
    gap: 8px;
    align-items: center;
}

.theme-color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

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

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

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .modal-wide {
        max-width: 95%;
    }

    .theme-presets {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Analytics Page */
.analytics-filters {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 20px;
    align-items: end;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.analytics-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.analytics-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.analytics-card .card-icon {
    font-size: 36px;
    line-height: 1;
}

.analytics-card .card-content {
    flex: 1;
}

.analytics-card .card-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
    margin-bottom: 8px;
}

.analytics-card .card-value {
    font-size: 32px;
    font-weight: 700;
    color: #2f3640;
    line-height: 1.2;
}

.analytics-card .card-subtitle {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}

.analytics-card .card-growth {
    margin-top: 8px;
}

.growth-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.growth-badge.positive {
    background: #d4edda;
    color: #155724;
}

.growth-badge.positive::before {
    content: "↑ +";
}

.growth-badge.negative {
    background: #f8d7da;
    color: #721c24;
}

.growth-badge.negative::before {
    content: "↓ ";
}

.growth-badge.neutral {
    background: #e7f3ff;
    color: #004085;
}

.growth-badge.neutral::before {
    content: "";
}

.loading-state {
    text-align: center;
    padding: 80px 20px;
}

.loading-state .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loading-state p {
    color: #666;
    font-size: 16px;
}

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

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #999;
}

.empty-state h3 {
    color: #666;
    margin-bottom: 12px;
}

/* Top Sharers Table */
.sharers-table {
    width: 100%;
    border-collapse: collapse;
}

.sharers-table thead th {
    text-align: left;
    padding: 12px;
    background: #f8f9fa;
    border-bottom: 2px solid #e0e0e0;
    font-weight: 600;
    font-size: 14px;
    color: #666;
}

.sharers-table tbody td {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
}

.sharers-table tbody tr:hover {
    background: #f8f9fa;
}

.instagram-username {
    font-weight: 600;
    color: #667eea;
}

.follower-count {
    color: #999;
    font-size: 13px;
}

.reach-highlight {
    background: #e7f3ff;
    color: #004085;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 13px;
}

@media (max-width: 768px) {
    .analytics-filters {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}