/**
 * KARBON Admin v31 - Light Theme
 * Modern glassmorphism design
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1D4ED8;
    --accent: #8B5CF6;

    --bg-gradient-start: #F0F4FF;
    --bg-gradient-end: #E8F0FE;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-sidebar: rgba(255, 255, 255, 0.95);

    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;

    --border: rgba(148, 163, 184, 0.25);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);

    --glass-blur: 20px;
    --glass-border: rgba(255, 255, 255, 0.6);

    --success: #16A34A;
    --warning: #D97706;
    --error: #DC2626;
    --info: #0EA5E9;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 50%, #F5F3FF 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
}

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

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.sidebar-logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.sidebar-logo-text span {
    font-weight: 400;
    color: var(--text-secondary);
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    margin-bottom: 0.25rem;
}

.nav-link:hover {
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-link.active i {
    color: white;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--error);
    font-weight: 500;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: rgba(220, 38, 38, 0.08);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

/* Header */
.main-header {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

.header-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-role {
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Main Container */
.main-container {
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title i {
    color: var(--primary);
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.stat-info h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.stat-icon.green {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
}

.stat-icon.yellow {
    background: rgba(217, 119, 6, 0.1);
    color: var(--warning);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent);
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Tool Cards - Ultra Compact */
.tool-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.375rem 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.tool-card:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.tool-card.active {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(22, 163, 74, 0.03) 0%, rgba(37, 99, 235, 0.03) 100%);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0;
}

.tool-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    color: white;
}

.tool-icon.blue {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
}

.tool-icon.yellow {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.tool-icon.purple {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
}

.tool-name {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.tool-desc {
    display: none;
}

.tool-body {
    display: none;
}

.tool-body p {
    display: none;
}

.tool-status {
    display: none;
}

.tool-status.active {
    color: var(--success);
}

.tool-status.coming {
    color: var(--text-muted);
}

.tool-status.open {
    color: var(--primary);
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.alert:hover {
    transform: translateX(4px);
}

.alert.success {
    background: rgba(22, 163, 74, 0.08);
    color: var(--success);
}

.alert.warning {
    background: rgba(217, 119, 6, 0.08);
    color: var(--warning);
}

.alert.info {
    background: rgba(14, 165, 233, 0.08);
    color: var(--info);
}

.alert i {
    font-size: 1.25rem;
}

.alert span {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

/* API Status Items */
.api-status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
}

.api-status-item.configured {
    background: rgba(22, 163, 74, 0.06);
}

.api-status-item.not-configured {
    background: rgba(148, 163, 184, 0.1);
}

.api-status-item .api-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.api-status-item .api-name i {
    width: 20px;
    color: var(--primary);
}

.api-status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.625rem;
    border-radius: 20px;
    font-weight: 600;
}

.api-status-badge.configured {
    background: rgba(22, 163, 74, 0.15);
    color: var(--success);
}

.api-status-badge.not-configured {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

table tr:hover {
    background: rgba(37, 99, 235, 0.03);
}

table .font-medium {
    font-weight: 600;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}

/* Links */
.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: all 0.2s ease;
}

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