:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg: #eff2f6;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #cbd5e1;
  --white: #ffffff;
  --danger: #ef4444;
  --success: #16a34a;
  --warning: #f59e0b;
}

/* 1. Global Reset */
* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.py-xl { padding-top: 40px; padding-bottom: 40px; }

/* 2. Header & Navigation */
.main-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.nav-split {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 40px;
    flex: 1;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-size: 20px;
    font-weight: 700;
}
.brand-logo b { color: var(--primary); }
.brand-logo:hover { text-decoration: none; }

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 8px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.nav-links a:hover { color: var(--primary); text-decoration: none; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-logout {
    font-size: 13px;
    color: var(--danger);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid #fee2e2;
    border-radius: 6px;
    background: #fef2f2;
    font-weight: 600;
}
.btn-logout:hover { background: #fee2e2; text-decoration: none; }

.btn-logout-icon {
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 20px;
    padding: 0 8px;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-logout-icon:hover { color: var(--danger); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text);
    cursor: pointer;
}

.mobile-only {
    display: none;
}

/* Nav Profile Styles */
.notif-btn {
    font-size: 18px;
    color: var(--text-muted);
    position: relative;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background 0.2s;
}
.notif-btn:hover { background: #f1f5f9; color: var(--text); }

.pill-container {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 6px;
    background: #f8fafc;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.nav-avatar {
    border-radius: 50%;
    width: 28px;
    height: 28px;
    object-fit: cover;
}

.default-avatar {
    width: 28px;
    height: 28px;
    background: #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}
.default-avatar i { font-size: 12px; }

.user-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}


/* 3. Layout Utilities (Grid & Cards) */
.split {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.grid {
    display: grid;
    gap: 24px;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid { grid-template-columns: repeat(12, 1fr); }
    .main-column { grid-column: span 8; }
    .sidebar { grid-column: span 4; }
    .dashboard-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .dashboard-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    margin-bottom: 24px;
}

/* 4. Tables & Badges */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    background: #f1f5f9;
    white-space: nowrap;
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}
.bg-success { background: #dcfce7; color: #166534; }
.bg-warning { background: #fef3c7; color: #92400e; }
.bg-danger { background: #fee2e2; color: #991b1b; }
.bg-info { background: #e0f2fe; color: #075985; }

/* 5. Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s;
    white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-primary.wide { width: 100%; }

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
    background: transparent;
    border: none;
    cursor: pointer;
    text-decoration: none;
}
.btn-icon:hover {
    background-color: #f1f5f9;
    color: var(--text);
}

/* 6. Auth / Login */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 20px;
}

.auth-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-muted);
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 7. Components */
.nav-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: #ef4444;
    border: 2px solid white;
    border-radius: 50%;
    display: block;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 90vw;
}

.toast-message {
    background: #ffffff;
    border-left: 4px solid #2563eb;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 16px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    animation: slideIn 0.3s ease-out;
}

.profile-pill-link {
    text-decoration: none;
    transition: all 0.2s ease;
}

.profile-pill-link .pill-container {
    transition: all 0.2s ease;
}

.profile-pill-link:hover .pill-container {
    background-color: var(--white) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}

.profile-pill-link:active {
    transform: scale(0.98);
}

/* --- MOBILE RESPONSIVE TWEAKS --- */

@media (max-width: 900px) {
    .nav-split {
        flex-direction: row;
    }

    .nav-group {
        width: 100%;
        display: block;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-content {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border);
        z-index: 99;
    }

    .nav-content.show {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
        margin-bottom: 20px;
        gap: 16px;
    }

    .nav-links a {
        font-size: 16px;
        width: 100%;
        padding: 8px 0;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
        gap: 16px;
        border-top: 1px solid #f1f5f9;
        padding-top: 20px;
    }

    .user-profile {
        width: 100%;
        justify-content: space-between;
    }

    .mobile-only {
        display: inline;
        font-size: 14px;
        font-weight: 600;
    }

    .profile-pill-link {
        width: 100%;
    }

    .profile-pill-link .pill-container {
        width: 100%;
    }

    .main-header {
        position: relative;
    }

    /* Adjust grids for mobile */
    .grid, .dashboard-grid-3, .dashboard-grid-4 {
        grid-template-columns: 1fr !important;
    }

    .grid .sidebar {
        order: -1;
        margin-bottom: 24px;
    }

    /* Cards */
    .card {
        padding: 16px;
    }

    .split {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .split .actions {
        width: 100%;
        display: flex;
        gap: 8px;
    }
    .split .actions .btn-primary {
        flex: 1;
    }

    .auth-card {
        padding: 24px;
    }

    h1 { font-size: 24px !important; }
    h2 { font-size: 20px !important; }

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