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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #333;
}

.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header img {
    height: 50px;
    border-radius: 8px;
}

.header-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header-text p {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 2px;
}

.header-nav {
    margin-left: auto;
    display: flex;
    gap: 12px;
    align-items: center;
}

.header-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    border: 1px solid rgba(255,255,255,0.2);
}

.header-nav a:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.4);
}

.header-nav a.active {
    background: #FF6B00;
    border-color: #FF6B00;
}

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

.card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 24px;
}

.card h2 {
    font-size: 1.3rem;
    margin-bottom: 24px;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f0f2f5;
}

.card h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: #FF6B00;
    border-radius: 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6B00;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.file-upload {
    border: 2px dashed #d0d0d0;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fafafa;
    position: relative;
}

.file-upload:hover,
.file-upload.dragover {
    border-color: #FF6B00;
    background: #fff5ee;
}

.file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload p {
    margin: 8px 0 2px;
    font-weight: 500;
    color: #555;
}

.file-upload small {
    color: #999;
}

.image-preview-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.preview-item {
    position: relative;
    width: 90px;
    height: 90px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid #e0e0e0;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.65);
    color: white;
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 0.7rem;
    line-height: 1;
    cursor: pointer;
}

.thumb-img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid #e0e0e0;
    vertical-align: bottom;
}

.thumb-count {
    display: inline-block;
    margin-left: 4px;
    background: #1976d2;
    color: white;
    border-radius: 6px;
    font-size: 0.7rem;
    padding: 2px 6px;
    cursor: pointer;
    vertical-align: bottom;
}

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    z-index: 10;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    border: none;
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    line-height: 1;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-nav:hover {
    background: rgba(255,255,255,0.35);
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    background: rgba(0,0,0,0.6);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.close-note {
    color: #555;
    font-size: 0.75rem;
    font-style: italic;
}

.urgency-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.urgency-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.urgency-option:hover {
    border-color: #ccc;
}

.urgency-option input[type="radio"] {
    display: none;
}

.urgency-option.low {
    border-color: #e0e0e0;
}

.urgency-option.low:has(input:checked) {
    background: #e8f5e9;
    border-color: #4caf50;
    color: #2e7d32;
}

.urgency-option.medium {
    border-color: #e0e0e0;
}

.urgency-option.medium:has(input:checked) {
    background: #fff8e1;
    border-color: #ff9800;
    color: #e65100;
}

.urgency-option.high {
    border-color: #e0e0e0;
}

.urgency-option.high:has(input:checked) {
    background: #ffebee;
    border-color: #f44336;
    color: #c62828;
}

.urgency-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.urgency-option.low .urgency-dot { background: #4caf50; }
.urgency-option.medium .urgency-dot { background: #ff9800; }
.urgency-option.high .urgency-dot { background: #f44336; }

.btn-submit {
    background: linear-gradient(135deg, #FF6B00, #FF8C00);
    color: white;
    border: none;
    padding: 14px 40px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
    width: 100%;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #e65c00, #FF6B00);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
}

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

.status-tracker {
    margin-top: 12px;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
}

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

thead {
    background: #1a1a2e;
    color: white;
}

th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
}

tbody tr:hover {
    background: #f8f9ff;
}

.status-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-block;
    white-space: nowrap;
}

.status-pending {
    background: #f5f5f5;
    color: #757575;
    border: 1px solid #e0e0e0;
}

.status-approved {
    background: #f3e5f5;
    color: #7b1fa2;
    border: 1px solid #ce93d8;
}

.status-rejected {
    background: #fbe9e7;
    color: #bf360c;
    border: 1px solid #ffab91;
}

.status-in_progress {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

.status-closed {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid #ffcc80;
}

.status-completed {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.urgency-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-block;
}

.urgency-low {
    background: #e8f5e9;
    color: #2e7d32;
}

.urgency-medium {
    background: #fff8e1;
    color: #e65100;
}

.urgency-high {
    background: #ffebee;
    color: #c62828;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 1rem;
    margin-top: 8px;
}

/* ===================== ADMIN STYLES ===================== */

.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 20px;
    width: 400px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
}

.login-box h2 {
    font-size: 1.5rem;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.login-box p {
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 28px;
}

.login-box .form-group {
    margin-bottom: 16px;
    text-align: left;
}

.login-box .form-group label {
    text-align: left;
}

.login-box .form-group input {
    width: 100%;
}

.login-error {
    color: #f44336;
    font-size: 0.85rem;
    margin-top: 8px;
    display: none;
}

.btn-login {
    background: linear-gradient(135deg, #1a1a2e, #0f3460);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 12px;
    transition: all 0.2s;
}

.btn-login:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.admin-content {
    display: none;
}

.admin-content.visible {
    display: block;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: white;
    border-radius: 14px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.kpi-card.total::before { background: #1a1a2e; }
.kpi-card.pending::before { background: #9e9e9e; }
.kpi-card.approved::before { background: #7b1fa2; }
.kpi-card.in-progress::before { background: #1976d2; }
.kpi-card.closed::before { background: #ef6c00; }
.kpi-card.completed::before { background: #388e3c; }
.kpi-card.avg-time::before { background: #FF6B00; }

.kpi-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
}

.kpi-card.total .kpi-number { color: #1a1a2e; }
.kpi-card.pending .kpi-number { color: #757575; }
.kpi-card.approved .kpi-number { color: #7b1fa2; }
.kpi-card.in-progress .kpi-number { color: #1976d2; }
.kpi-card.closed .kpi-number { color: #ef6c00; }
.kpi-card.completed .kpi-number { color: #388e3c; }
.kpi-card.avg-time .kpi-number { color: #FF6B00; }

.kpi-label {
    font-size: 0.8rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.sidebar {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #888;
    margin-bottom: 16px;
}

.filter-group {
    margin-bottom: 24px;
}

.filter-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 8px;
}

.filter-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.85rem;
    font-family: inherit;
    background: #fafafa;
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: #FF6B00;
}

.btn-reset-filter {
    background: none;
    border: 2px solid #e0e0e0;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    width: 100%;
    font-weight: 500;
    color: #666;
    transition: all 0.2s;
}

.btn-reset-filter:hover {
    border-color: #f44336;
    color: #f44336;
}

.main-content {
    min-width: 0;
}

.task-actions {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}

.btn-action {
    padding: 6px 14px;
    border: none;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-accept {
    background: #e3f2fd;
    color: #1565c0;
}

.btn-accept:hover {
    background: #1565c0;
    color: white;
}

.btn-status {
    background: #fff3e0;
    color: #e65100;
}

.btn-status:hover {
    background: #e65100;
    color: white;
}

.btn-approve {
    background: #f3e5f5;
    color: #7b1fa2;
}

.btn-approve:hover {
    background: #7b1fa2;
    color: white;
}

.btn-close {
    background: #fff3e0;
    color: #ef6c00;
    border: 1px solid #ffcc80;
}

.btn-close:hover {
    background: #ef6c00;
    color: white;
}

.btn-complete {
    background: #e8f5e9;
    color: #2e7d32;
}

.btn-complete:hover {
    background: #2e7d32;
    color: white;
}

.btn-reject {
    background: #fbe9e7;
    color: #bf360c;
}

.btn-reject:hover {
    background: #bf360c;
    color: white;
}

.btn-delete {
    background: #ffebee;
    color: #c62828;
}

.btn-delete:hover {
    background: #c62828;
    color: white;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
}

.modal-box {
    background: white;
    border-radius: 16px;
    padding: 32px;
    width: 450px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-box h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: flex-end;
}

.btn-modal-confirm {
    background: #FF6B00;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-modal-confirm:hover {
    background: #e65c00;
}

.btn-modal-cancel {
    background: #f5f5f5;
    color: #666;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-modal-cancel:hover {
    background: #e0e0e0;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #1a1a2e;
    color: white;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 2000;
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s;
    max-width: 400px;
}

.toast.success { background: #2e7d32; }
.toast.error { background: #c62828; }
.toast.info { background: #1565c0; }

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

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

@media (max-width: 768px) {
    .header {
        padding: 12px 16px;
    }

    .header-text h1 {
        font-size: 1rem;
    }

    .container {
        padding: 16px;
    }

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

    .admin-layout {
        grid-template-columns: 1fr;
        padding: 16px;
    }

    .sidebar {
        position: static;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .urgency-group {
        flex-direction: column;
    }

    .header-nav {
        display: none;
    }
}