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

:root {
    --bg-color: #f1f5f9;
    --sidebar-bg: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #e2e8f0;
    --glass-blur: blur(12px);
}

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

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

/* Typography */
h1, h2, h3 { font-weight: 600; }
h1 { font-size: 1.8rem; margin-bottom: 1rem; }
h2 { font-size: 1.2rem; color: var(--text-muted); }

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: all 0.3s ease;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.brand i { font-size: 1.8rem; }

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-height: 100vh;
    overflow-y: auto;
}

.main-content > * {
    flex-shrink: 0;
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-bar {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: var(--glass-blur);
}

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

/* Stats Row */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    backdrop-filter: var(--glass-blur);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.stat-card.accent { border-bottom: 4px solid var(--accent); }
.stat-card.success { border-bottom: 4px solid var(--success); }
.stat-card.warning { border-bottom: 4px solid var(--warning); }
.stat-card.danger { border-bottom: 4px solid var(--danger); }

.stat-value { font-size: 2rem; font-weight: 700; }
.stat-title { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    min-height: 400px;
}

/* Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
}

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

/* Map Container */
#map {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    min-height: 350px;
    z-index: 1; /* For leaflet */
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent);
    background-color: rgba(59, 130, 246, 0.05);
    color: var(--accent);
}

.upload-area i { font-size: 3rem; }

.btn {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s ease;
}
.btn:hover { background-color: var(--accent-hover); }

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

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th { color: var(--text-muted); font-weight: 500; }

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-pending { background-color: rgba(245, 158, 11, 0.2); color: var(--warning); }
.status-delivered { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--sidebar-bg); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }