/* 
 * PC Web Admin Premium Stylesheet
 * Custom Glassmorphism Theme (Dark & Modern Aesthetics)
 */

:root {
    --bg-base: #f8fafc;       /* Light Slate */
    --bg-surface: #ffffff;    /* Pure White */
    --bg-glass: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;  /* Slate 900 */
    --text-secondary: #475569;/* Slate 600 */
    --text-muted: #94a3b8;    /* Slate 400 */
    
    --primary: #1ba76a;       /* Brand Green */
    --primary-hover: #15803d; /* Dark Green hover */
    --primary-glow: rgba(27, 167, 106, 0.15);
    
    --accent: #0ea5e9;        /* Sky 500 */
    --accent-hover: #0284c7;  /* Sky 600 */
    
    --success: #10b981;       /* Emerald 500 */
    --warning: #f59e0b;       /* Amber 500 */
    --danger: #ef4444;        /* Red 500 */
    
    --font-title: 'Outfit', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --sidebar-width: 260px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

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

.hidden {
    display: none !important;
}

/* Scrollbar Style */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 1. LOGIN SECTION LAYOUT */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at 10% 20%, rgba(27, 167, 106, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 40%),
                #f8fafc;
    padding: 1.5rem;
}

.login-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    border-radius: 1.5rem;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideInDown 0.5s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 1rem;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: white;
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.login-header h2 {
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

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

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: #ffffff;
}

.form-help {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.form-help span {
    color: var(--warning);
}

.form-row {
    display: flex;
    gap: 1rem;
}
.col-6 {
    flex: 1;
}

/* Button Styles */
.btn-primary, .btn-secondary, .btn-danger, .btn-outline, .btn-accent {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #15803d);
    color: white;
}
.btn-primary:hover {
    box-shadow: 0 8px 20px -6px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    color: var(--text-primary);
}
.btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #9333ea);
    color: white;
}
.btn-accent:hover {
    box-shadow: 0 8px 20px -6px rgba(168, 85, 247, 0.3);
    transform: translateY(-1px);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}
.btn-danger:hover {
    background-color: #dc2626;
}

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

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

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 0.35rem;
}

/* 2. MAIN APP LAYOUT */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-glass);
    border-right: 1px solid var(--border-glass);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-brand i {
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-profile-mini {
    padding: 0 1.5rem 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-glass);
}

.profile-avatar {
    width: 42px;
    height: 42px;
    background-color: rgba(27, 167, 106, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    color: var(--primary);
}

.profile-info h4 {
    font-weight: 600;
    font-size: 0.95rem;
}
.profile-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.sidebar-menu {
    flex: 1;
    padding: 0.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item:hover {
    color: var(--primary);
    background-color: rgba(27, 167, 106, 0.05);
}

.menu-item.active {
    color: var(--primary);
    background-color: rgba(27, 167, 106, 0.1);
    border-left: 3px solid var(--primary);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-glass);
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 0.75rem;
    padding: 0.75rem;
    color: #f87171;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-smooth);
}
.btn-logout:hover {
    background-color: rgba(239, 68, 68, 0.18);
    color: white;
}

/* Main Content Layout */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-bar {
    height: 70px;
    background-color: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.top-bar h1 {
    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: 700;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}
.badge-success {
    background-color: rgba(16, 185, 129, 0.12);
    color: #34d399;
}
.badge-danger {
    background-color: rgba(239, 68, 68, 0.12);
    color: #f87171;
}
.badge-warning {
    background-color: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
}
.badge-info {
    background-color: rgba(14, 165, 233, 0.12);
    color: #38bdf8;
}

.content-body {
    flex: 1;
    padding: 2rem;
}

.page-section {
    animation: fadeIn 0.4s ease-out;
}

/* 3. DASHBOARD PAGE STYLES */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
}
.icon-blue {
    background-color: rgba(14, 165, 233, 0.12);
    color: var(--primary);
}
.icon-purple {
    background-color: rgba(168, 85, 247, 0.12);
    color: var(--accent);
}
.icon-green {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--success);
}
.icon-orange {
    background-color: rgba(245, 158, 11, 0.12);
    color: var(--warning);
}

.stat-details h3 {
    font-family: var(--font-title);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.2;
}
.stat-details p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.dashboard-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    padding: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-all-link {
    font-size: 0.85rem;
    font-weight: 500;
}

.card-divider {
    border: none;
    border-top: 1px solid var(--border-glass);
    margin: 1.5rem 0;
}

/* Quick Status Panel */
.quick-status-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.status-label {
    color: var(--text-secondary);
}
.status-value {
    font-family: monospace;
    font-weight: 600;
    background-color: #f1f5f9;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    word-break: break-all;
    max-width: 180px;
    text-align: right;
}

.guide-list p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

/* 4. TABLES & DATA CARDS */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.filter-bar {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    padding: 1rem;
    border-radius: 0.75rem;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    flex: 1;
}
.filter-group input {
    flex: 1;
    max-width: 320px;
}
.filter-group select {
    width: 180px;
}

.search-bar {
    display: flex;
    max-width: 400px;
    width: 100%;
}
.search-bar input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.search-bar button {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    padding: 0 1.25rem;
}

.table-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

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

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

.table th, .table td {
    padding: 0.8rem 0.75rem;
}

.table th {
    background-color: #f1f5f9;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-glass);
}

.table td {
    border-bottom: 1px solid var(--border-glass);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr {
    transition: var(--transition-smooth);
}
.table tbody tr:hover {
    background-color: rgba(27, 167, 106, 0.02);
}

/* User identity inside table */
.user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.user-avatar-mini {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #cbd5e1;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
}

.user-cell-info h5 {
    font-weight: 600;
}
.user-cell-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cell-bold {
    font-weight: 600;
    color: var(--text-primary);
}

.cell-italic {
    font-style: italic;
    color: var(--text-muted);
}

.cell-code {
    font-family: monospace;
    font-weight: 600;
    color: var(--primary);
    background-color: rgba(14, 165, 233, 0.08);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    white-space: nowrap;
}

.btn-actions-cell {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    align-items: center;
}

.btn-table-icon {
    width: 28px;
    height: 28px;
    border-radius: 0.35rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    background-color: #ffffff;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}
.btn-table-icon:hover {
    color: var(--text-primary);
    background-color: #f1f5f9;
}
.btn-table-icon.icon-edit:hover {
    color: var(--primary);
    border-color: var(--primary-glow);
}
.btn-table-icon.icon-delete:hover {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Pagination */
.pagination {
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-glass);
}
.page-info {
    color: var(--text-secondary);
}
.page-controls {
    display: flex;
    gap: 0.5rem;
}

/* 5. TABS FOR SUBPAGES */
.tab-container {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
}
.tab-btn:hover {
    color: var(--text-primary);
}
.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    animation: fadeIn 0.3s ease-out;
}

/* 6. CONFIG CARD STYLING */
.config-card {
    background-color: var(--bg-glass);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    border-radius: 1.5rem;
    padding: 2.5rem;
    max-width: 680px;
    margin: 0 auto;
}

.config-header {
    text-align: center;
    margin-bottom: 2.5rem;
}
.config-header i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}
.config-header h3 {
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.config-header p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.config-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.test-result-box {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-glass);
    animation: slideInDown 0.3s ease-out;
}
.test-result-success {
    background-color: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}
.test-result-error {
    background-color: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* 7. MODAL STYLING */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 1.25rem;
    width: 90%;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
}

.modal-sm {
    max-width: 460px;
}
.modal-md {
    max-width: 600px;
}
.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-close {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 70vh;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.result-alert {
    padding: 1rem;
    border-radius: 0.75rem;
    margin-top: 1rem;
    font-weight: 500;
}

/* 8. TOAST NOTIFICATION STYLES */
.toast-area {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background-color: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--primary);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    min-width: 280px;
    max-width: 400px;
    animation: slideInRight 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

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

.toast-info {
    border-left-color: var(--primary);
}
.toast-info i {
    color: var(--primary);
}

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

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Optimizations */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Image Upload Component Styles */
.image-upload-wrapper {
    position: relative;
    width: 100%;
}

.upload-trigger {
    border: 2px dashed var(--border-glass);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    background-color: var(--bg-surface);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.upload-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(27, 167, 106, 0.02);
    color: var(--primary);
}

.upload-trigger i {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.upload-trigger:hover i {
    color: var(--primary);
}

.upload-trigger p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.upload-preview {
    position: relative;
    width: 100%;
    height: 160px;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border-glass);
    background-color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
}

.upload-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.upload-preview img:not([src]), 
.upload-preview img[src=""] {
    display: none;
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.preview-remove:hover {
    background: rgba(239, 68, 68, 0.9);
}

/* Password Toggle Button Styling */
.password-input-wrapper {
    position: relative;
    width: 100%;
}

.password-input-wrapper input {
    padding-right: 2.75rem !important; /* 给右侧小眼睛按钮让位 */
}

.btn-toggle-pwd {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    padding: 6px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    font-size: 1.1rem;
    z-index: 10;
}

.btn-toggle-pwd:hover {
    color: var(--primary);
}

.btn-toggle-pwd:focus {
    outline: none;
}