/* =========================================
   DIN - UI Components
   ========================================= */

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-base), width var(--transition-base);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: var(--space-5) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 1px solid var(--border-light);
    min-height: var(--header-height);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.sidebar-brand {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.sidebar-brand small {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 400;
    -webkit-text-fill-color: var(--text-secondary);
    letter-spacing: 0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-3) var(--space-3);
}

.sidebar-section {
    margin-bottom: var(--space-4);
}

.sidebar-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-1);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    font-weight: 500;
    font-size: var(--font-size-sm);
    user-select: none;
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--primary);
    font-weight: 600;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.nav-item i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.8;
}

.nav-item.active i {
    opacity: 1;
}

.nav-badge {
    margin-left: auto;
    background: var(--primary);
    color: white;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: white;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-email {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

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

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

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

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

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

.btn-icon {
    padding: var(--space-2);
    width: 36px;
    height: 36px;
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-md);
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* Stat Cards */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.1;
    transform: translate(30%, -30%);
}

.stat-card.income::before { background: var(--income-color); }
.stat-card.expense::before { background: var(--expense-color); }
.stat-card.balance::before { background: var(--accent-blue); }
.stat-card.cards-stat::before { background: var(--accent-purple); }

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}

.stat-icon.income { background: rgba(16, 185, 129, 0.15); color: var(--income-color); }
.stat-icon.expense { background: rgba(239, 68, 68, 0.15); color: var(--expense-color); }
.stat-icon.balance { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.stat-icon.cards-icon { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-top: var(--space-2);
}

.stat-change.positive {
    color: var(--income-color);
    background: rgba(16, 185, 129, 0.1);
}

.stat-change.negative {
    color: var(--expense-color);
    background: rgba(239, 68, 68, 0.1);
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

select.form-control {
    appearance: none;
    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='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--danger);
    margin-top: var(--space-1);
}

/* ---- Modals ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

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

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

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-light);
}

/* ---- Tables ---- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
}

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

thead th {
    background: var(--bg-tertiary);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

tbody td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

tbody tr {
    transition: background var(--transition-fast);
}

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

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

/* ---- Badges / Tags ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
}

.badge-income {
    background: rgba(16, 185, 129, 0.15);
    color: var(--income-color);
}

.badge-expense {
    background: rgba(239, 68, 68, 0.15);
    color: var(--expense-color);
}

.badge-transfer {
    background: rgba(59, 130, 246, 0.15);
    color: var(--transfer-color);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-confirmed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-cancelled {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 300px;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: slideInRight 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.toast.success::before { background: var(--success); }
.toast.error::before { background: var(--danger); }
.toast.warning::before { background: var(--warning); }
.toast.info::before { background: var(--info); }

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.toast-message {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* ---- Filters Bar ---- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group .form-control {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    gap: var(--space-1);
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.tab {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

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

.tab.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Loading Spinner ---- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: var(--space-4);
}

.loading-overlay .spinner {
    width: 40px;
    height: 40px;
}

.loading-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ---- Skeleton Loading ---- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-line {
    height: 14px;
    margin-bottom: var(--space-2);
}

.skeleton-line:last-child {
    width: 60%;
}

.skeleton-card {
    height: 120px;
    border-radius: var(--radius-xl);
}

/* ---- Transaction Item ---- */
.transaction-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.transaction-item:hover {
    background: var(--bg-hover);
}

.transaction-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.transaction-details {
    flex: 1;
    min-width: 0;
}

.transaction-desc {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.transaction-meta {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: 2px;
}

.transaction-amount {
    font-weight: 700;
    font-size: var(--font-size-sm);
    font-variant-numeric: tabular-nums;
    text-align: right;
    white-space: nowrap;
}

/* ---- Account Card ---- */
.account-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.account-card:hover {
    border-color: var(--border-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.account-info {
    flex: 1;
    min-width: 0;
}

.account-name {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.account-detail {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

.account-balance {
    font-weight: 700;
    font-size: var(--font-size-lg);
    font-variant-numeric: tabular-nums;
}

/* ---- Mobile Bottom Navigation ---- */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    z-index: 100;
    padding: 0 var(--space-2);
}

.bottom-nav-items {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 100%;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--space-2);
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--transition-fast);
    border-radius: var(--radius-md);
    min-width: 56px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--primary);
}

.bottom-nav-item i {
    width: 22px;
    height: 22px;
}

.bottom-nav-add {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -16px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.bottom-nav-add:hover {
    transform: scale(1.05);
}

/* ---- Mobile Menu Toggle ---- */
.menu-toggle {
    display: none;
    position: fixed;
    top: var(--space-4);
    left: var(--space-4);
    z-index: 101;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ---- Import Dropzone ---- */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--primary);
    background: rgba(16, 185, 129, 0.05);
}

.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    color: var(--text-tertiary);
}

.dropzone-text {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.dropzone-hint {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ---- Chart Container ---- */
.chart-container {
    position: relative;
    width: 100%;
    min-height: 250px;
}

.chart-container canvas {
    width: 100% !important;
    max-height: 300px;
}

/* ---- Auth Pages ---- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    position: relative;
    z-index: 1;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-logo-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-2xl);
    color: white;
    margin: 0 auto var(--space-3);
    box-shadow: var(--shadow-glow);
}

.auth-logo h1 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-1);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-light);
}

/* ---- Color Picker Grid ---- */
.color-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-2);
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.color-option:hover {
    transform: scale(1.15);
}

.color-option.selected {
    border-color: white;
    box-shadow: 0 0 0 2px var(--primary);
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

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

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

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

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin: 0 var(--space-3);
}

/* Category tree */
.category-tree {
    list-style: none;
}

.category-tree-item {
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.category-tree-item:hover {
    background: var(--bg-hover);
}

.category-tree-children {
    list-style: none;
    padding-left: var(--space-8);
}

.category-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.category-tree-name {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.category-tree-actions {
    display: flex;
    gap: var(--space-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.category-tree-item:hover .category-tree-actions {
    opacity: 1;
}

/* Toggle Switch */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: none;
    padding: 0;
}

.toggle.active {
    background: var(--primary);
}

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle.active::after {
    transform: translateX(20px);
}

/* Search input */
.search-input-wrapper {
    position: relative;
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.search-input-wrapper .form-control {
    padding-left: 40px;
}