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

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --sidebar-width: 260px;
    --header-height: 60px;
    --danger: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ================= LOGIN PAGE ================= */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #eef2ff;
}

.login-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-header h2 {
    color: var(--primary);
    margin-bottom: 5px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box; /* Important fix */
    outline: none;
    transition: 0.2s;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    width: 100%;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    font-size: 15px;
}

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

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ================= DASHBOARD LAYOUT ================= */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}

.sidebar-menu {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 4px;
    font-weight: 500;
    transition: 0.2s;
}

.nav-item:hover, .nav-item.active {
    background: #e0e7ff;
    color: var(--primary);
}

.nav-item i {
    width: 24px;
    margin-right: 10px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    width: calc(100% - var(--sidebar-width));
    transition: margin-left 0.3s ease;
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 900;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.menu-toggle {
    display: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-main);
}

/* Content Body */
.content-body {
    padding: 30px;
    overflow-y: auto;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-value { font-size: 24px; font-weight: 700; margin: 0; }
.stat-label { font-size: 14px; color: var(--text-muted); margin: 0; }
.stat-icon { font-size: 32px; opacity: 0.2; }

/* Tables */
.table-card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    padding: 20px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title { margin: 0; font-size: 16px; font-weight: 600; }

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

th { text-align: left; padding: 12px; border-bottom: 2px solid var(--border); font-size: 13px; color: var(--text-muted); text-transform: uppercase; }
td { padding: 14px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
tr:last-child td { border-bottom: none; }

/* Badges & Buttons */
.badge { padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger { background: #fee2e2; color: #991b1b; }

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    color: white;
}
.btn-danger { background-color: var(--danger); }
.btn-warning { background-color: var(--warning); }

/* Progress Bar */
.progress-container {
    background: #e5e7eb;
    height: 8px;
    border-radius: 4px;
    margin-top: 10px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.4s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); box-shadow: 5px 0 15px rgba(0,0,0,0.1); }
    .main-content { margin-left: 0; width: 100%; }
    .menu-toggle { display: block; }
    .content-body { padding: 15px; }
}