/* Lanting Digital Admin Panel - Dark Theme */

:root {
    --bg-primary: #1b1f22;
    --bg-secondary: #252a2e;
    --bg-tertiary: #2d3339;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #4a9eff;
    --accent-hover: #6bb3ff;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --border: #3d444a;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Screens */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Login Screen */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 10px 40px var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.2);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.error-message {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 15px;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn i {
    font-size: 0.9rem;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #d32f2f;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-toggle {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-toggle.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.btn-toggle:hover:not(.active) {
    background: var(--bg-tertiary);
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.header-left h1 {
    font-size: 1.4rem;
    font-weight: 600;
}

.header-left h1 i {
    margin-right: 10px;
    color: var(--accent);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Dashboard Main */
.dashboard-main {
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.stat-card i {
    font-size: 2rem;
    color: var(--accent);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Controls Bar */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.controls-left,
.controls-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.view-toggle {
    display: flex;
    gap: 0;
}

.view-toggle .btn {
    border-radius: 0;
}

.view-toggle .btn:first-child {
    border-radius: 8px 0 0 8px;
}

.view-toggle .btn:last-child {
    border-radius: 0 8px 8px 0;
    border-left: none;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    padding: 10px 16px 10px 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 250px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

/* Table */
.table-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

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

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 15px 20px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
}

th:hover {
    color: var(--text-primary);
}

th i {
    margin-left: 5px;
    font-size: 0.75rem;
}

td {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr {
    transition: background 0.2s;
}

tbody tr:hover {
    background: var(--bg-tertiary);
}

.message-preview {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-secondary);
}

.date-cell {
    white-space: nowrap;
    color: var(--text-secondary);
}

.actions-cell {
    display: flex;
    gap: 8px;
}

.actions-cell .btn {
    padding: 6px 10px;
}

/* Empty State */
.empty-state,
.loading-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i,
.loading-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.hidden {
    display: none !important;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 60px var(--shadow);
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-header h2 i {
    margin-right: 10px;
    color: var(--accent);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: 20px;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.detail-row label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
}

.detail-row span {
    flex: 1;
}

.detail-message {
    flex-direction: column;
    align-items: flex-start;
}

.detail-message label {
    margin-bottom: 10px;
}

.detail-message p {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    width: 100%;
    white-space: pre-wrap;
    line-height: 1.6;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .header-right {
        flex-direction: column;
    }

    .controls-bar {
        flex-direction: column;
    }

    .controls-left,
    .controls-right {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .search-box input {
        width: 100%;
    }

    .stats-bar {
        grid-template-columns: 1fr;
    }

    .table-container {
        overflow-x: auto;
    }

    table {
        min-width: 700px;
    }

    .actions-cell {
        flex-direction: column;
    }
}

/* Utility */
.clickable-row {
    cursor: pointer;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 15px 25px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 10px 40px var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-color: var(--success);
}

.toast.success i {
    color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.error i {
    color: var(--danger);
}

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