/* ==========================================================================
   Design Tokens (CSS Custom Properties)
   ========================================================================== */
:root {
    /* Colors — Primary */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #eff6ff;
    --color-primary-border: #dbeafe;
    --color-primary-ring: rgba(37, 99, 235, 0.1);

    /* Colors — Text */
    --color-text: #1f2937;
    --color-text-secondary: #374151;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;
    --color-text-placeholder: #d1d5db;

    /* Colors — Backgrounds */
    --color-bg: #fff;
    --color-bg-subtle: #f9fafb;
    --color-bg-muted: #f3f4f6;

    /* Colors — Borders */
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;

    /* Colors — Status */
    --color-success: #065f46;
    --color-success-bg: #ecfdf5;
    --color-success-border: #a7f3d0;
    --color-success-hover-bg: #d1fae5;
    --color-warning: #92400e;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #fde68a;
    --color-warning-hover-bg: #fef3c7;
    --color-danger: #991b1b;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-danger-hover-bg: #fee2e2;

    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-md: 0.9375rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.375rem;
    --space-md: 0.5rem;
    --space-lg: 0.75rem;
    --space-xl: 1rem;
    --space-2xl: 1.25rem;
    --space-3xl: 1.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: all 0.15s;
    --transition-ease: all 0.15s ease-in-out;

    /* Layout */
    --page-padding: 1.5rem 0;
    --form-max-width: 720px;
    --btn-min-height: 40px;
}

/* ==========================================================================
   OneTouchApp — Common Styles (shared across all modules)
   ========================================================================== */

/* Page Layout
   ---------------------------------------- */
.page-wrap {
    padding: var(--page-padding);
}

/* Page Header
   ---------------------------------------- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-3xl);
    gap: var(--space-xl);
    flex-wrap: wrap;
}
.page-header__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    line-height: 1.2;
}
.page-header__count,
.page-header__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}
.page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}
.page-header__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    min-height: var(--btn-min-height);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-placeholder);
    transition: var(--transition-ease);
    flex-shrink: 0;
}
.page-header__back:hover {
    background: var(--color-bg-subtle);
    border-color: var(--color-text-light);
    color: #111827;
    text-decoration: none;
}

/* Action Buttons
   ---------------------------------------- */
.btn-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    min-height: var(--btn-min-height);
    cursor: pointer;
    border: none;
}
.btn-action--primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
}
.btn-action--primary:hover {
    background: var(--color-primary-hover);
    color: var(--color-bg);
}
.btn-action--ghost {
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-placeholder);
}
.btn-action--ghost:hover {
    background: var(--color-bg-subtle);
    border-color: var(--color-text-light);
    color: #111827;
}
.btn-action--secondary {
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.btn-action--secondary:hover {
    background: var(--color-border);
    color: var(--color-text);
}
.btn-action--success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.btn-action--success:hover {
    background: var(--color-success-hover-bg);
    color: #064e3b;
}
.btn-action--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}
.btn-action--warning:hover {
    background: var(--color-warning-hover-bg);
    color: #78350f;
}
.btn-action--danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}
.btn-action--danger:hover {
    background: var(--color-danger-hover-bg);
    color: #7f1d1d;
}
.btn-action--outline {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-placeholder);
}
.btn-action--outline:hover {
    background: var(--color-bg-subtle);
    border-color: var(--color-text-light);
}

/* Filter Bar
   ---------------------------------------- */
.filters-bar {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: var(--space-xl) var(--space-2xl);
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    flex-wrap: wrap;
    border-bottom: none;
    min-height: 3.5rem;
}
.filter-search {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}
.filter-search .search-icon {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    pointer-events: none;
}
.filter-search input {
    width: 100%;
    padding: var(--space-md) var(--space-lg) var(--space-md) 2.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    background: var(--color-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.filter-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}
.filter-search input::placeholder {
    color: var(--color-text-light);
}
.filter-select {
    min-width: 140px;
}
.filter-select select {
    width: 100%;
    padding: var(--space-md) 2rem var(--space-md) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    background: var(--color-bg) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") no-repeat right var(--space-lg) center/8px 10px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.filter-select select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}
.search-active-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0.625rem;
    background: var(--color-primary-light);
    color: #1e40af;
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}
.search-active-pill a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 600;
}
.search-active-pill a:hover {
    color: #dc2626;
}

/* Data Table
   ---------------------------------------- */
.dtable-wrap {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
}
.dtable-wrap--standalone {
    border-radius: var(--radius-md);
}
.dtable-wrap .table-responsive {
    margin: 0;
}
.dtable {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    font-size: var(--font-size-md);
}
.dtable thead th {
    background: var(--color-bg-subtle);
    padding: 0.625rem var(--space-xl);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}
.dtable thead th a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}
.dtable thead th a:hover {
    color: var(--color-text-secondary);
}
.dtable tbody td {
    padding: 0.625rem var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    vertical-align: middle;
}
.dtable tbody tr:nth-child(even) td {
    background: var(--color-bg-subtle);
}
.dtable tbody tr:hover td {
    background: var(--color-primary-light);
}
.col-name {
    font-weight: 500;
    color: var(--color-text);
}

/* Pagination Footer
   ---------------------------------------- */
.dtable-footer {
    padding: var(--space-lg) var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    flex-wrap: wrap;
    gap: var(--space-lg);
}
.dtable-footer .page-size-ctrl {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.dtable-footer .page-size-ctrl select {
    padding: var(--space-xs) 1.75rem var(--space-xs) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") no-repeat right var(--space-md) center/8px 10px;
    -webkit-appearance: none;
    appearance: none;
}
.dtable-footer .pagination {
    margin: 0;
    gap: 0.125rem;
}
.dtable-footer .page-link {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-lg);
    min-width: 36px;
    text-align: center;
    transition: var(--transition-fast);
}
.dtable-footer .page-item.active .page-link {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}
.dtable-footer .page-item.disabled .page-link {
    background: var(--color-bg-subtle);
    color: var(--color-text-placeholder);
    border-color: var(--color-border);
}

/* Form Card
   ---------------------------------------- */
.form-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.form-card__header {
    padding: var(--space-2xl) var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
}
.form-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}
.form-card__body {
    padding: var(--space-3xl);
}
.form-card .form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: var(--space-sm);
}
.form-card .form-control,
.form-card .form-select {
    font-size: var(--font-size-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md) var(--space-lg);
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-card .form-control:focus,
.form-card .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
    outline: none;
}
.form-card .form-control.is-invalid,
.form-card .form-select.is-invalid {
    border-color: #dc2626;
}
.form-card .invalid-feedback {
    font-size: var(--font-size-sm);
    color: #dc2626;
}
.form-card .form-body {
    padding: var(--space-3xl) 2rem;
}
.form-card .form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-2xl) 2rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
}

/* Tab Navigation (pill style)
   ---------------------------------------- */
.nav-tabs-pill {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    display: inline-flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-3xl);
}
.nav-tabs-pill__link {
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    white-space: nowrap;
}
.nav-tabs-pill__link:hover {
    color: var(--color-text-secondary);
    background: var(--color-bg-muted);
}
.nav-tabs-pill__link--active {
    background: var(--color-primary);
    color: var(--color-bg);
}
.nav-tabs-pill__link--active:hover {
    background: var(--color-primary-hover);
    color: var(--color-bg);
}

/* Status Badges
   ---------------------------------------- */
.status-badge {
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: 0.125rem 0.625rem;
    border-radius: var(--radius-full);
    display: inline-block;
}

/* — Muted / neutral variants — */
.status-badge--draft {
    background: var(--color-bg-muted);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}
.status-badge--inactive {
    background: var(--color-bg-muted);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}
.status-badge--cancelled {
    background: var(--color-bg-muted);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

/* — Success / green variants — */
.status-badge--active {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.status-badge--completed {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.status-badge--returned {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.status-badge--executed {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.status-badge--validated {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.status-badge--ontime {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

/* — Warning / amber variants — */
.status-badge--pending {
    background: var(--color-warning-hover-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}
.status-badge--finalizing {
    background: var(--color-warning-hover-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}
.status-badge--issued {
    background: var(--color-warning-hover-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}
.status-badge--proposed {
    background: var(--color-warning-hover-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

/* — Danger / red variants — */
.status-badge--overdue {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}
.status-badge--rejected {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

/* — Primary / blue variants — */
.status-badge--comparing {
    background: #ecfeff;  /* cyan-50, no CSS variable */
    color: #155e75;        /* cyan-800, no CSS variable */
    border: 1px solid #a5f3fc;  /* cyan-200, no CSS variable */
}
.status-badge--reversed {
    background: var(--color-primary-light);
    color: #1e40af;  /* blue-800, no CSS variable for dark primary text */
    border: 1px solid var(--color-primary-border);
}

/* Row Action Buttons
   ---------------------------------------- */
.btn-row-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) 0.625rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    text-decoration: none;
}
.btn-row-action:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.btn-row-action--icon-only {
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
}
.btn-row-action--success:hover { border-color: #10b981; color: #10b981; background: var(--color-success-bg); }
.btn-row-action--warning:hover { border-color: #d97706; color: #d97706; background: var(--color-warning-bg); }
.btn-row-action--danger:hover { border-color: #dc2626; color: #dc2626; background: var(--color-danger-bg); }

/* Detail Button (icon circle) */
.btn-detail {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    text-decoration: none;
}
.btn-detail:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Empty State
   ---------------------------------------- */
.empty-state {
    padding: 4rem 2rem;
    text-align: center;
}
.empty-state i {
    font-size: 3rem;
    color: var(--color-text-placeholder);
    margin-bottom: var(--space-md);
}
.empty-state h5 {
    color: var(--color-text-muted);
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-md);
}
.empty-state p {
    color: var(--color-text-light);
    font-size: var(--font-size-md);
    margin: 0;
}

/* Copy Button
   ---------------------------------------- */
.copy-btn {
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: var(--space-xs);
    font-size: var(--font-size-base);
    transition: color 0.15s;
}
.copy-btn:hover {
    color: var(--color-primary);
}

/* Detail Page
   ---------------------------------------- */
.detail-page {
    padding: var(--page-padding);
}
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-3xl);
    gap: var(--space-xl);
    flex-wrap: wrap;
}
.detail-header__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}
.detail-header__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: 0.125rem;
}
.detail-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}
.detail-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
    overflow: hidden;
}
.detail-card__section {
    padding: var(--space-2xl);
}
.detail-dl {
    margin-bottom: 0;
}
.detail-dl dt {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}
.detail-dl dd {
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

/* Modal Overrides
   ---------------------------------------- */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.modal-header {
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xl) var(--space-3xl);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}
.modal-footer {
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-3xl);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Animation
   ---------------------------------------- */
@keyframes toolbarSlideIn {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    /* Page Header — stack vertically */
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    .page-header__actions {
        width: 100%;
        flex-wrap: wrap;
    }

    /* Detail Header — stack vertically */
    .detail-header {
        flex-direction: column;
        align-items: stretch;
    }
    .detail-header__actions {
        width: 100%;
        flex-wrap: wrap;
    }

    /* Filter Bar — stack vertically */
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-search {
        max-width: 100%;
    }
    .filter-select {
        min-width: 100%;
    }

    /* Data Table Footer — stack vertically */
    .dtable-footer {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .dtable-footer .pagination {
        justify-content: center;
    }

    /* Form Card — reduce padding */
    .form-card__header {
        padding: var(--space-xl) var(--space-2xl);
    }
    .form-card__body {
        padding: var(--space-2xl);
    }
    .form-card .form-body {
        padding: var(--space-2xl) var(--space-2xl);
    }
    .form-card .form-actions {
        padding: var(--space-xl) var(--space-2xl);
        flex-wrap: wrap;
    }

    /* Tab Navigation — horizontal scroll */
    .nav-tabs-pill {
        display: flex;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Action Buttons — full width */
    .btn-action {
        width: 100%;
        justify-content: center;
    }
}