@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #f4f7f6;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --success: #10b981;
    --danger: #ef4444;
    --accent: #f59e0b;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease-in-out;
    --header-height: 60px;
    --sidebar-width: 250px;
    
    --table-header-bg: rgba(0,0,0,0.02);
    --table-row-hover: rgba(0,0,0,0.02);
    
    /* Legacy maps for JS inline styles */
    --bg-dark: #ffffff; 
}

[data-theme="dark"] {
    --bg-main: #0a0f18;
    --surface: rgba(255, 255, 255, 0.03); /* glass */
    --border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --primary: #0ea5e9;
    --primary-hover: #38bdf8;
    --table-header-bg: rgba(255,255,255,0.05);
    --table-row-hover: rgba(255,255,255,0.05);
    --bg-dark: #0f172a; /* deep input bg */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow: hidden;
    transition: background-color var(--transition), color var(--transition);
}

.glass-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

[data-theme="dark"] .glass-panel {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Sidebar styling */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 10;
}
[data-theme="dark"] .sidebar { background: rgba(0,0,0,0.2); backdrop-filter: blur(10px); }

.brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}

.nav-menu {
    flex: 1;
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
}

.nav-section-title {
    color: var(--text-muted); 
    font-size: 0.75rem; 
    padding: 1rem 1rem 0.5rem; 
    text-transform: uppercase; 
    font-weight: 600;
}

.nav-item {
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover, .nav-item.active {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.user-profile {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background: var(--surface);
}

[data-theme="dark"] .top-header { background: rgba(0,0,0,0.1); backdrop-filter: blur(5px); }

.search-bar {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    width: 300px;
    gap: 0.5rem;
}

.search-bar input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    color: var(--text-muted);
}

.header-actions i {
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.header-actions i:hover { color: var(--primary); }

.app-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Utilities */
.btn {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--text-muted);
}

/* Tables */
table th {
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    background: var(--table-header-bg);
}

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

table tbody tr:hover {
    background: var(--table-row-hover);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.domestic { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge.corporate { background: rgba(245, 158, 11, 0.1); color: var(--accent); }
.badge.commercial { background: rgba(14, 165, 233, 0.1); color: var(--primary); }

/* Layout Grids */
.grid-2, .grid-3, .grid-4 {
    display: grid;
    gap: 1.5rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }