:root {
    --primary-color: #2F6690;
    --primary-dark: #1D4E75;
    --secondary-color: #f8f9fa;
    --success-color: #2e7d32;
    --success-light: #e8f5e9;
    --warning-color: #e65100;
    --warning-light: #fff3e0;
    --danger-color: #c62828;
    --danger-light: #fce4ec;
    --info-color: #0288d1;
    --info-light: #e1f5fe;
    --text-color: #333;
    --text-muted: #666;
    --border-color: #dee2e6;
    --card-shadow: 0 4px 6px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #f4f6f9;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: white;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: white;
    background-color: rgba(255,255,255,0.15);
}

/* Main Content */
.main-content {
    flex: 1;
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
}

/* Footer */
.footer {
    background-color: #343a40;
    color: #ced4da;
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
    font-size: 0.85rem;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
    cursor: pointer;
    text-decoration: none;
}

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

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

.btn-secondary {
    color: #212529;
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

.btn-secondary:hover {
    background-color: #d3d9df;
}

.btn-success {
    color: #fff;
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #215d25;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 0.2rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(47, 102, 144, 0.25);
}

.form-control-sm {
    display: block;
    width: 100%;
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.2rem;
}

.form-row {
    display: flex;
    gap: 15px;
}

.col {
    flex: 1;
}

.required {
    color: var(--danger-color);
}

/* Cards & Sections */
.card, .section-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 25px;
}

.card h2, .section-card h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
    border-bottom: 2px solid #f1f3f5;
    padding-bottom: 8px;
}

.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border-bottom: 2px solid #f1f3f5;
    padding-bottom: 8px;
    margin-bottom: 15px;
}

.card-header-flex h2 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

/* Alerts */
.alert {
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
    border: 1px solid #ffeeba;
}

.alert-close {
    background: transparent;
    border: 0;
    font-size: 1.2rem;
    cursor: pointer;
    font-weight: 700;
    color: inherit;
    opacity: 0.5;
}

.alert-close:hover {
    opacity: 1;
}

/* Personal Alert Boxes */
.personal-alerts {
    margin-bottom: 25px;
}

.alert-box {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 5px solid transparent;
}

.alert-box h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.alert-box ul {
    margin-left: 20px;
    font-size: 0.9rem;
}

.alert-box-danger {
    background-color: var(--danger-light);
    color: #721c24;
    border-left-color: var(--danger-color);
}

.alert-box-warning {
    background-color: var(--warning-light);
    color: #856404;
    border-left-color: var(--warning-color);
}

/* Grid layout for employee page */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

@media (min-width: 992px) {
    .grid-layout {
        grid-template-columns: 350px 1fr;
    }
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    background-color: #f8f9fa;
    color: #495057;
    font-weight: 600;
    text-align: left;
    padding: 12px;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.data-table tr:hover {
    background-color: #f8f9fa;
}

.center {
    text-align: center !important;
}

/* Text status helpers */
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.row-danger {
    background-color: rgba(198, 40, 40, 0.03);
}
.row-warning {
    background-color: rgba(230, 81, 0, 0.03);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 75%;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
}

.badge-success { background-color: var(--success-light); color: var(--success-color); }
.badge-warning { background-color: var(--warning-light); color: var(--warning-color); }
.badge-danger { background-color: var(--danger-light); color: var(--danger-color); }
.badge-info { background-color: var(--info-light); color: var(--info-color); }

/* Progress bars */
.progress-bar {
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    height: 18px;
    width: 100%;
    max-width: 150px;
}

.progress-fill {
    background-color: var(--success-color);
    color: white;
    text-align: center;
    font-size: 0.7rem;
    font-weight: bold;
    height: 100%;
    line-height: 18px;
}

/* Login/Select page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}

.login-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    max-width: 450px;
    width: 100%;
}

.login-card h2 {
    margin-bottom: 10px;
    text-align: center;
    color: var(--primary-dark);
}

.login-card p {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Stats Cards Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    border-left: 4px solid var(--border-color);
}

.stat-icon {
    font-size: 2rem;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-total { border-left-color: var(--primary-color); }
.stat-done { border-left-color: var(--success-color); }
.stat-progress { border-left-color: var(--info-color); }
.stat-warning { border-left-color: var(--warning-color); }
.stat-danger { border-left-color: var(--danger-color); }

/* Task details in table */
.task-name {
    font-weight: 600;
}

.task-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: flex;
    gap: 10px;
}

.no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
}

/* Employee list filter active buttons */
.filters {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.filter-btn {
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-color);
    background-color: #e9ecef;
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* Mini Update Forms for tasks */
.update-mini-form {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    max-width: 320px;
}

.update-fields {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    font-weight: 600;
}

.completion-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-left: 10px;
    border-left: 2px solid var(--success-color);
    margin: 5px 0;
}

.hidden {
    display: none !important;
}

.mini-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mini-group label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
}

.mt-1 { margin-top: 4px; }

.attachment-link {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--info-color, #0d6efd);
    text-decoration: none;
}

.attachment-link:hover {
    text-decoration: underline;
}

/* Subtitle header */
.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-header {
    margin-bottom: 20px;
}

.employee-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}