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

:root {
    /* Premium Light Theme Palette (Default) */
    --bg-primary: #f1f5f9; /* Slate 100 */
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a; /* Slate 900 */
    --text-secondary: #475569; /* Slate 600 */
    --accent-primary: #4f46e5; /* Indigo 600 */
    --accent-hover: #4338ca; /* Indigo 700 */
    --accent-gradient: linear-gradient(135deg, #4f46e5, #7c3aed, #db2777);
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #2563eb;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-highlight: rgba(0, 0, 0, 0.16);
    
    /* Layout styling tokens */
    --border-radius-sm: 8px;
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.12);
}

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

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.5);
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    transition: background 0.3s;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ambient Backlight Glows */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05), transparent 45%),
                radial-gradient(circle at 90% 80%, rgba(219, 39, 119, 0.03), transparent 45%);
    z-index: -1;
    pointer-events: none;
    transition: background 0.3s ease;
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.2px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    font-weight: 700;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: var(--accent-hover);
    filter: drop-shadow(0 0 4px rgba(129, 140, 248, 0.3));
}

/* Layout Elements */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 2.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-bottom: 2rem;
    border-top: none;
    border-left: none;
    border-right: none;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04), 0 1px 0 rgba(0, 0, 0, 0.04);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.user-greeting {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.user-greeting strong {
    color: var(--text-primary);
}

.main-container {
    flex: 1;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.form-group label.required::after {
    content: " *";
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control::placeholder {
    color: rgba(71, 85, 105, 0.4);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15), 0 0 15px rgba(79, 70, 229, 0.05);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.1rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.form-control option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    font-size: 0.92rem;
    gap: 0.5rem;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(79, 70, 229, 0.08);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.btn-outline:active {
    transform: translateY(0);
}

.btn-sm {
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
}

/* Authentication Layout */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 120px);
}

.auth-card {
    width: 100%;
    max-width: 480px;
    padding: 3rem;
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(79, 70, 229, 0.2);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.08), var(--shadow-soft);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 120px; height: 120px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.08;
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stat-title {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 600;
}

.stat-value {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -1px;
}

/* Tables styling */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 1.1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.table th {
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1.2px;
    background: rgba(241, 245, 249, 0.85);
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.015);
}

/* Status Badges */
.badge {
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-done { 
    background: rgba(5, 150, 105, 0.08); 
    color: #059669; 
    border: 1px solid rgba(5, 150, 105, 0.15); 
}
.badge-ongoing { 
    background: rgba(37, 99, 235, 0.08); 
    color: #2563eb; 
    border: 1px solid rgba(37, 99, 235, 0.15); 
}
.badge-hold { 
    background: rgba(217, 119, 6, 0.08); 
    color: #d97706; 
    border: 1px solid rgba(217, 119, 6, 0.15); 
}
.badge-notstarted { 
    background: rgba(220, 38, 38, 0.08); 
    color: #dc2626; 
    border: 1px solid rgba(220, 38, 38, 0.15); 
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    background: rgba(220, 38, 38, 0.06);
    border: 1px solid rgba(220, 38, 38, 0.15);
    color: #b91c1c;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Specific view employees table and modals (overrides inline styles in HTML) */
body .employee-table {
    width: 100% !important;
    border-collapse: collapse !important;
    background: var(--bg-glass) !important;
}

body .employee-table thead {
    background: rgba(241, 245, 249, 0.9) !important;
    color: var(--text-primary) !important;
}

body .employee-table th {
    color: var(--text-primary) !important;
    font-weight: 600 !important;
    border-bottom: 1px solid var(--border-color) !important;
    text-transform: uppercase !important;
    font-size: 0.75rem !important;
    letter-spacing: 1px !important;
    padding: 1.1rem 1.25rem !important;
}

body .employee-table td {
    padding: 1.1rem 1.25rem !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

body .employee-table tbody tr:hover {
    background: rgba(0, 0, 0, 0.015) !important;
}

body .btn-view {
    background: var(--accent-gradient) !important;
    color: white !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.5rem 1rem !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border: none !important;
}

body .btn-view:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

body #detail-modal.modal {
    background: rgba(15, 23, 42, 0.4) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

body #detail-modal .modal-content {
    background: var(--bg-glass) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    color: var(--text-primary) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-soft) !important;
    padding: 2.5rem !important;
    margin: 2rem auto !important;
}

body #detail-modal .close {
    color: var(--text-secondary) !important;
    font-size: 2rem !important;
    opacity: 0.8 !important;
    transition: color 0.2s ease !important;
}

body #detail-modal .close:hover {
    color: var(--text-primary) !important;
}

body .detail-section h3 {
    border-bottom: 2px solid var(--accent-primary) !important;
    color: var(--text-primary) !important;
    padding-bottom: 0.5rem !important;
    font-weight: 600 !important;
}

body .detail-item {
    background: rgba(0, 0, 0, 0.015) !important;
    border: 1px solid var(--border-color) !important;
    border-left: 4px solid var(--accent-primary) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.85rem !important;
}

body .detail-item-label {
    color: var(--accent-hover) !important;
    font-weight: 600 !important;
}

body .detail-item-value {
    color: var(--text-primary) !important;
}

body .file-link {
    background: var(--accent-gradient) !important;
    color: white !important;
    padding: 0.5rem 1.1rem !important;
    border-radius: var(--border-radius-sm) !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

body .file-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

body .employee-photo {
    border: 3px solid var(--accent-primary) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-glow) !important;
}

/* Profile overrides (employee_profile.html) */
body .profile-card {
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
}

body .profile-photo {
    border: 3px solid var(--accent-primary) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-glow) !important;
}

body .profile-item {
    background: rgba(0, 0, 0, 0.015) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 1.1rem !important;
    transition: border-color 0.3s ease !important;
}

body .profile-item:hover {
    border-color: rgba(79, 70, 229, 0.15) !important;
}

body .profile-item strong {
    color: var(--accent-hover) !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

/* Add Employee multi-select dropdown (admin_add_employee.html) */
body .ms-button {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 0.8rem 1rem !important;
    color: var(--text-primary) !important;
    transition: all 0.3s ease !important;
}

body .ms-button:hover {
    border-color: var(--accent-primary) !important;
}

body .ms-dropdown {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.12) !important;
    border-radius: var(--border-radius-sm) !important;
    box-shadow: var(--shadow-soft) !important;
    overflow-y: auto !important;
}

body .ms-option {
    padding: 0.6rem 1rem !important;
    color: var(--text-primary) !important;
    transition: background-color 0.2s ease !important;
}

body .ms-option:hover {
    background: rgba(0, 0, 0, 0.03) !important;
}

body .ms-option input[type="checkbox"] {
    accent-color: var(--accent-primary) !important;
    width: 16px;
    height: 16px;
    margin-right: 0.75rem !important;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--bg-glass);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.modal-close {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    background: none; border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Utility classes */
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.truncate { max-width: 150px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: middle; }

/* Responsive Grid adjustment */
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .navbar {
        padding: 1rem 1.5rem;
    }
    .main-container {
        padding: 0 1rem 1rem;
    }
}


/* Premium Dark Theme Variables & Overrides */
.dark-theme {
    /* Premium Dark Slate & Glassmorphic Palette */
    --bg-primary: #090d16; /* Deep obsidian space blue */
    --bg-secondary: #0f172a; /* Slate 900 */
    --bg-glass: rgba(17, 24, 39, 0.7); /* Translucent gray/blue */
    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --accent-primary: #6366f1; /* Indigo 500 */
    --accent-hover: #818cf8; /* Indigo 400 */
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #d946ef);
    --success: #10b981; /* Emerald 500 */
    --warning: #f59e0b; /* Amber 500 */
    --danger: #ef4444; /* Red 500 */
    --info: #3b82f6; /* Blue 500 */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.16);
    --shadow-soft: 0 12px 40px 0 rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.35);
}

.dark-theme body::before {
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.12), transparent 45%),
                radial-gradient(circle at 90% 80%, rgba(217, 70, 239, 0.08), transparent 45%);
}

.dark-theme::-webkit-scrollbar-track {
    background: rgba(9, 13, 22, 0.5);
}

.dark-theme::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

.dark-theme::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dark-theme .form-control {
    background: rgba(17, 24, 39, 0.55);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.dark-theme .form-control:focus {
    background: rgba(17, 24, 39, 0.8);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25), 0 0 15px rgba(99, 102, 241, 0.15);
}

.dark-theme .form-control::placeholder {
    color: rgba(148, 163, 184, 0.4);
}

.dark-theme .navbar {
    background: rgba(17, 24, 39, 0.75);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), 0 1px 0 rgba(255, 255, 255, 0.05);
}

.dark-theme .table th {
    background: rgba(17, 24, 39, 0.8);
    color: var(--text-primary);
}

.dark-theme .table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Specific view employees table and modals overrides */
.dark-theme.employee-table,
.dark-theme .employee-table {
    background: var(--bg-glass) !important;
}

.dark-theme.employee-table thead,
.dark-theme .employee-table thead {
    background: rgba(17, 24, 39, 0.85) !important;
}

.dark-theme.employee-table th,
.dark-theme .employee-table th {
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.dark-theme.employee-table td,
.dark-theme .employee-table td {
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.dark-theme.employee-table tbody tr:hover,
.dark-theme .employee-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02) !important;
}

.dark-theme #detail-modal.modal {
    background: rgba(3, 7, 18, 0.6) !important;
}

.dark-theme #detail-modal .modal-content {
    background: var(--bg-glass) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
}

.dark-theme .detail-item {
    background: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid var(--border-color) !important;
    border-left: 4px solid var(--accent-primary) !important;
}

.dark-theme .profile-item {
    background: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid var(--border-color) !important;
}

.dark-theme .ms-button {
    background: rgba(17, 24, 39, 0.55) !important;
}

.dark-theme .ms-dropdown {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-highlight) !important;
}

.dark-theme .ms-option:hover {
    background: rgba(255, 255, 255, 0.04) !important;
}