:root, [data-theme="dark"] {
    --primary: #5c9ee6;
    --primary-dark: #4a8bd4;
    --danger: #ef5350;
    --warning: #ffa726;
    --success: #66bb6a;
    --bg-main: #0f1117;
    --card-bg: #1e2029;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.4);
    --filter-bg: #1e2029;
    --text-muted: #9ca3b0;
    --text-color: #e1e3e8;
    --border-color: #2e303e;
    --table-stripe: #252732;
}

[data-theme="light"] {
    --primary: #1976d2;
    --primary-dark: #1565c0;
    --danger: #e53935;
    --warning: #ffa726;
    --success: #43a047;
    --bg-main: #ffffff;
    --card-bg: #ffffff;
    --card-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 1px 1px rgba(0,0,0,0.03);
    --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.06);
    --filter-bg: #f8f9fa;
    --text-muted: #6c757d;
    --text-color: #212529;
    --border-color: #dee2e6;
    --table-stripe: #f8f9fa;
}

body {
    background: var(--bg-main);
    font-size: 0.95rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    transition: background 0.2s, color 0.2s;
}

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

.navbar { transition: background 0.2s, color 0.2s; }

.navbar-brand { font-weight: 600; letter-spacing: 0.3px; }

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.2s;
    background: var(--card-bg);
}
.card:hover { box-shadow: var(--card-shadow-hover); }

.task-card {
    position: relative;
    overflow: hidden;
    cursor: default;
}
.task-card .card-body { padding: 8px 12px; }

/* Deadline urgency left border */
.task-card.urgency-overdue { border-left: 4px solid var(--danger); }
.task-card.urgency-warning { border-left: 4px solid var(--warning); }
.task-card.urgency-normal { border-left: 4px solid transparent; }

/* Task name */
.task-name {
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.92rem;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Meta row */
.task-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px 12px;
}
.task-meta > span { white-space: nowrap; }

/* Urgency badge */
.urgency-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 8px;
    border-radius: 10px;
    white-space: nowrap;
}
.urgency-badge.overdue { background: var(--danger); color: #fff; }
.urgency-badge.warning { background: var(--warning); color: #fff; }

/* Pin */
.pin-icon {
    font-size: 0.8rem;
    transition: transform 0.15s;
    cursor: pointer;
    color: var(--text-muted);
    flex-shrink: 0;
}
.pin-icon:hover { transform: scale(1.3); color: var(--primary); }
.pin-icon.pinned { color: var(--primary); }

/* Action buttons */
.btn-action {
    padding: 4px 12px;
    font-size: 0.82rem;
    border-radius: 8px;
    white-space: nowrap;
}
@media (max-width: 768px) {
    .btn-action { font-size: 0.75rem; padding: 3px 10px; }
}

/* Multi-select */
.multi-check {
    width: 18px;
    height: 18px;
    margin-right: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

#bulkActions {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050;
    background: var(--card-bg);
    padding: 10px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

/* Meta icons */
.meta-icon { font-size: 0.75rem; margin-left: 4px; flex-shrink: 0; }

/* Tabs */
.nav-tabs .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 8px 12px;
    font-size: 0.88rem;
}
.nav-tabs .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: transparent;
}
.nav-pills .nav-link {
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.82rem;
}
.nav-pills .nav-link.active { background: var(--primary); }

/* Filter bar */
.filter-bar {
    background: var(--filter-bg);
    border-radius: 10px;
    padding: 10px 14px;
    box-shadow: var(--card-shadow);
    margin-bottom: 12px;
}
.filter-bar .form-control,
.filter-bar .form-select {
    border-radius: 8px;
    font-size: 0.85rem;
}
.filter-bar .form-control:focus,
.filter-bar .form-select:focus {
    box-shadow: 0 0 0 2px rgba(25,118,210,0.15);
    border-color: var(--primary);
}
.btn-reset-filter {
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 15px;
}

/* Warehouse + Salary tables */
.balance-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    border-top: none;
}
.balance-table td { font-size: 0.85rem; vertical-align: middle; }
.salary-total { background: var(--table-stripe); font-weight: 700; }
.salary-month { font-size: 0.9rem; }
@media (max-width: 768px) {
    .salary-month { font-size: 0.78rem; }
}

/* Empty state */
.empty-state { text-align: center; padding: 40px 16px; color: var(--text-muted); }
.empty-state i { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.empty-state p { font-size: 0.9rem; margin: 0; }

/* Modal */
.modal-content { border-radius: 12px; border: 1px solid var(--border-color); background: var(--card-bg); color: var(--text-color); }
.modal-title { font-size: 0.95rem; word-break: break-word; }
.modal-header { border-bottom-color: var(--border-color); }
.modal-footer { border-top-color: var(--border-color); }
@media (max-width: 768px) {
    .modal-title { font-size: 0.85rem; }
}

/* Description block — preserve line breaks, scroll on mobile */
.task-description {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
}
@media (max-width: 768px) {
    .task-description {
        max-height: 200px;
        font-size: 0.8rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    body { font-size: 0.88rem; }
    .task-card .card-body { padding: 6px 10px; }
    .task-name { font-size: 0.85rem; }
    .task-meta { font-size: 0.68rem; }
    .btn-action { font-size: 0.65rem; padding: 1px 6px; }
    .urgency-badge { font-size: 0.6rem; padding: 0 6px; }
    .filter-bar { padding: 8px 10px; }
    .filter-bar .form-control,
    .filter-bar .form-select { font-size: 0.8rem; }
    .nav-tabs .nav-link { padding: 6px 8px; font-size: 0.8rem; }
    .nav-pills .nav-link { padding: 3px 10px; font-size: 0.75rem; }
    .pin-icon { font-size: 0.72rem; }
    .balance-table th { font-size: 0.68rem; }
    .balance-table td { font-size: 0.78rem; }
    .empty-state { padding: 30px 12px; }
    .empty-state i { font-size: 1.8rem; }
    #bulkActions { bottom: 12px; padding: 8px 14px; font-size: 0.8rem; }
}

/* Word break for long task names */
.task-name {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Theme toggle */
.theme-toggle {
    width: 48px;
    height: 26px;
    background: #dee2e6;
    border-radius: 13px;
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    border: none;
    padding: 0;
}
.theme-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.theme-toggle.active {
    background: var(--primary);
}
.theme-toggle.active::after {
    transform: translateX(22px);
}

.settings-section {
    margin-bottom: 20px;
}
.settings-section:last-child {
    margin-bottom: 0;
}
.settings-section label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
    display: block;
}

/* Navbar per-theme */
[data-theme="light"] .navbar {
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
[data-theme="light"] .navbar .navbar-brand,
[data-theme="light"] .navbar .text-light {
    color: #212529 !important;
}
[data-theme="light"] .btn-outline-light {
    border-color: #dee2e6;
    color: #212529;
}
[data-theme="light"] .btn-outline-light:hover {
    background: #e9ecef;
    border-color: #dee2e6;
    color: #000;
}

[data-theme="dark"] .navbar .navbar-brand,
[data-theme="dark"] .navbar .text-light {
    color: rgba(255,255,255,0.85) !important;
}
[data-theme="dark"] .navbar {
    border-bottom: 1px solid var(--border-color);
}

/* Common navbar border for light navbar class */
.navbar-light { border-bottom: 1px solid #dee2e6 !important; }

/* Modal header */
.modal-header.bg-primary .btn-close {
    filter: brightness(0) invert(1);
}

/* Dark theme overrides for Bootstrap utilities */
[data-theme="dark"] .bg-light {
    background-color: var(--filter-bg) !important;
}
[data-theme="dark"] .bg-white {
    background-color: var(--card-bg) !important;
}
[data-theme="dark"] .table {
    color: var(--text-color);
    --bs-table-bg: transparent;
    --bs-table-hover-bg: var(--table-stripe);
    --bs-table-striped-bg: var(--table-stripe);
    border-color: var(--border-color);
}
[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: var(--table-stripe);
}
[data-theme="dark"] .input-group-text {
    background: var(--filter-bg);
    border-color: var(--border-color);
    color: var(--text-muted);
}
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: var(--filter-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: var(--filter-bg);
    border-color: var(--primary);
    color: var(--text-color);
}
[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}
[data-theme="dark"] .list-group-item {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}
[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-color);
}
[data-theme="dark"] .btn-outline-secondary:hover {
    background: var(--filter-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

/* Product items in doc form */
.doc-product-item {
    padding: 4px 8px;
    border-radius: 6px;
    margin-bottom: 2px;
    transition: background 0.15s;
}
.doc-product-item:hover { background: var(--filter-bg); }
.doc-product-item.selected { background: rgba(25,118,210,0.08); }
.doc-product-item.disabled { opacity: 0.4; }

/* Profile avatar */
.profile-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
    overflow: hidden;
    flex-shrink: 0;
}
.profile-avatar:hover {
    opacity: 0.85;
}
.profile-avatar.has-name {
    background: var(--primary);
}