/* ============================================
   DESAKU ONLINE - MAIN APPLICATION STYLES
   Admin Panel RT/RW
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-body);
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p { margin-bottom: 1rem; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary-color { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* === LAYOUT WRAPPER === */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

.sidebar-collapsed .app-main {
    margin-left: var(--sidebar-collapsed);
}

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    min-height: 60px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-brand-name {
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
}

.sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--text-sidebar);
    opacity: 0.7;
}

.sidebar-collapsed .sidebar-brand {
    display: none;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.25rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-sidebar);
    opacity: 0.5;
}

.sidebar-collapsed .nav-section-title {
    display: none;
}

.nav-item {
    display: block;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-sidebar);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-sidebar-active);
}

.nav-item.active {
    background: var(--primary);
    color: var(--text-sidebar-active);
}

.nav-item-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-item-icon svg {
    width: 20px;
    height: 20px;
}

.nav-item-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-collapsed .nav-item-text {
    display: none;
}

.nav-item-badge {
    background: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.sidebar-collapsed .nav-item-badge {
    display: none;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.sidebar-user:hover {
    background: var(--bg-sidebar-hover);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    overflow: hidden;
}

.sidebar-user-name {
    font-weight: 500;
    font-size: 0.85rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.7rem;
    color: var(--text-sidebar);
    opacity: 0.7;
}

.sidebar-collapsed .sidebar-user-info {
    display: none;
}

/* === TOPBAR === */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: var(--shadow-sm);
}

.topbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-topbar);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.topbar-toggle:hover {
    background: var(--bg-table-row-hover);
}

.topbar-toggle svg {
    width: 20px;
    height: 20px;
}

.topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.topbar-breadcrumb-sep {
    color: var(--text-muted);
}

.topbar-breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

.topbar-spacer {
    flex: 1;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.topbar-btn:hover {
    background: var(--bg-table-row-hover);
    color: var(--text-primary);
}

.topbar-btn svg {
    width: 20px;
    height: 20px;
}

.topbar-btn-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--bg-topbar);
}

/* Theme Dropdown */
.theme-dropdown {
    position: relative;
}

.theme-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-dropdown);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.theme-dropdown.open .theme-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.theme-menu-item:hover {
    background: var(--bg-table-row-hover);
}

.theme-menu-item.active {
    color: var(--primary);
    font-weight: 500;
}

.theme-menu-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.theme-menu-item:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.theme-color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.theme-color-dot.default { background: #1e88e5; }
.theme-color-dot.dark { background: #1e293b; }
.theme-color-dot.nature { background: #2e7d32; }
.theme-color-dot.corporate { background: #5e35b1; }

/* === CONTENT AREA === */
.content {
    flex: 1;
    padding: 1.5rem;
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.content-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.content-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-table-header);
}

/* Stat Cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.stat-card-icon.primary { background: var(--primary); }
.stat-card-icon.success { background: var(--success); }
.stat-card-icon.warning { background: var(--warning); }
.stat-card-icon.danger { background: var(--danger); }
.stat-card-icon.info { background: var(--info); }

.stat-card-content {
    flex: 1;
    min-width: 0;
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.stat-card-change {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-card-change.up { color: var(--success); }
.stat-card-change.down { color: var(--danger); }

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-inverse);
    border-color: var(--secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
    border-color: var(--secondary-hover);
}

.btn-success {
    background: var(--success);
    color: var(--text-inverse);
    border-color: var(--success);
}

.btn-danger {
    background: var(--danger);
    color: var(--text-inverse);
    border-color: var(--danger);
}

.btn-warning {
    background: var(--warning);
    color: var(--text-inverse);
    border-color: var(--warning);
}

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

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary);
    color: var(--text-inverse);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-input);
}

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--bg-table-row-hover);
    border-color: var(--text-secondary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-table-row-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn:not(:last-child) {
    border-right: none;
}

/* === FORM ELEMENTS === */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.15);
}

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

.form-control:disabled {
    background: var(--bg-table-header);
    cursor: not-allowed;
}

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

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

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

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.35rem;
}

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    flex: 1;
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 0.875rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--bg-table-header);
    border: 1px solid var(--border-input);
}

.input-group-text:first-child {
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group-text:last-child {
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .btn {
    border-radius: 0;
}

.input-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-input);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    accent-color: var(--primary);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* === TABLES === */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-table-header);
    white-space: nowrap;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.table td {
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: var(--bg-table-row-hover);
}

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

/* Table Actions */
.table-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Table Toolbar */
.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.table-search {
    position: relative;
    max-width: 300px;
    flex: 1;
}

.table-search-input {
    width: 100%;
    padding-left: 2.5rem;
}

.table-search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.table-search-icon svg {
    width: 16px;
    height: 16px;
}

.table-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-table-row-hover);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.pagination-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn svg {
    width: 16px;
    height: 16px;
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

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

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

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

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

.badge-secondary {
    background: var(--secondary-light);
    color: var(--secondary);
}

/* === AVATAR === */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-modal);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform var(--transition-fast);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-sm { max-width: 400px !important; }
.modal-md { max-width: 500px !important; }
.modal-lg { max-width: 700px !important; }
.modal-xl { max-width: 900px !important; }
.modal-xxl { max-width: 1100px !important; }

.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0 !important;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-table-row-hover);
    color: var(--text-primary);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

/* Modal Alternative Structure (modal as parent) */
.modal:not(.modal-overlay .modal) {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    max-width: none;
    max-height: none;
    overflow: visible;
    transform: none;
}

.modal:not(.modal-overlay .modal).open {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--bg-modal);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: calc(100% - 2rem);
    max-width: 500px;
    max-height: calc(100vh - 2rem);
    max-height: calc(100dvh - 2rem);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform var(--transition-fast);
    z-index: 1;
}

.modal-content.modal-lg { max-width: 700px !important; }
.modal-content.modal-xl { max-width: 900px !important; }
.modal-content.modal-xxl { max-width: 1100px !important; }

/* Form inside modal - allow natural height */
.modal-content > form {
    display: contents;
}

.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    flex: 1 1 auto;
    overscroll-behavior: contain;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex !important;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-shrink: 0 !important;
    background: var(--bg-modal);
}

@media (max-height: 600px) {
    .modal-content {
        max-height: calc(100vh - 1rem);
        max-height: calc(100dvh - 1rem);
        border-radius: var(--radius-md);
    }
    .modal-body {
        padding: 1rem;
    }
    .modal-header, .modal-footer {
        padding: 0.75rem 1rem;
    }
}

.modal.open .modal-content {
    transform: scale(1);
}

/* === ALERTS === */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.alert-icon {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-icon svg {
    width: 18px;
    height: 18px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-message {
    font-size: 0.9rem;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* === TABS === */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tab-item {
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab-item:hover {
    color: var(--text-primary);
}

.tab-item.active {
    color: var(--primary);
}

.tab-item.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* Tab Button Alternative */
.tab-btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* === DROPDOWN === */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-dropdown);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-table-row-hover);
}

.dropdown-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.dropdown-item.danger {
    color: var(--danger);
}

.dropdown-item.danger svg {
    color: var(--danger);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* === UTILITIES === */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.p-0 { padding: 0; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === MOBILE STYLES === */
@media (max-width: 768px) {
    :root {
        --topbar-height: 56px;
    }
    
    html {
        font-size: 14px;
    }
    
    .app-main {
        margin-left: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-fast);
    }
    
    .sidebar.mobile-open + .sidebar-overlay {
        opacity: 1;
        visibility: visible;
    }
    
    .content {
        padding: 1rem;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat-cards {
        grid-template-columns: 1fr;
    }
    
    .topbar-breadcrumb {
        display: none;
    }
    
    .table-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-search {
        max-width: none;
    }
    
    .table-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem;
    }
    
    .pagination {
        flex-direction: column;
        align-items: center;
    }
    
    .modal {
        max-width: none;
        margin: 1rem;
        max-height: calc(100vh - 2rem);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        width: 100%;
    }
    
    .btn-group .btn {
        flex: 1;
    }
    
    /* Mobile Bottom Navigation */
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-top: 1px solid var(--border-color);
        display: flex;
        z-index: 900;
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .mobile-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0.625rem 0.5rem;
        gap: 0.25rem;
        color: var(--text-muted);
        text-decoration: none;
        font-size: 0.65rem;
        transition: color var(--transition-fast);
    }
    
    .mobile-nav-item svg {
        width: 22px;
        height: 22px;
    }
    
    .mobile-nav-item.active {
        color: var(--primary);
    }
    
    .mobile-nav-item:hover {
        color: var(--text-primary);
    }
    
    .has-mobile-nav .content {
        padding-bottom: 80px;
    }
}

/* Desktop Only */
@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
    
    .mobile-bottom-nav {
        display: none;
    }
}

/* Mobile Only */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .topbar,
    .mobile-bottom-nav,
    .btn,
    .table-toolbar {
        display: none !important;
    }
    
    .app-main {
        margin: 0;
    }
    
    .content {
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}