/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    /* Construction-themed dark palette */
    --color-bg:         #1a1d24;
    --color-surface:    #22262f;
    --color-surface-2:  #2a2f3a;
    --color-border:     #333844;
    --color-border-light: #3d4455;
    --color-text:       #e8eaf0;
    --color-text-muted: #8892a4;
    --color-text-dim:   #5a6478;

    /* Accent — amber/gold for construction feel */
    --color-primary:       #f59e0b;
    --color-primary-hover: #d97706;
    --color-primary-dim:   rgba(245,158,11,.12);
    --color-primary-text:  #1a1d24;

    /* Status colours */
    --color-cache:      #34d399;
    --color-cache-bg:   rgba(52,211,153,.12);
    --color-api:        #60a5fa;
    --color-api-bg:     rgba(96,165,250,.12);
    --color-unmatched:  #f87171;
    --color-unmatched-bg: rgba(248,113,113,.12);
    --color-manual:     #fbbf24;
    --color-manual-bg:  rgba(251,191,36,.12);
    --color-pending:    #6b7280;
    --color-pending-bg: rgba(107,114,128,.12);
    --color-new:        #818cf8;
    --color-new-bg:     rgba(129,140,248,.12);
    --color-rts-exact:     #f59e0b;
    --color-rts-exact-bg:  rgba(245,158,11,.15);
    --color-rts-fuzzy:     #ef4444;
    --color-rts-fuzzy-bg:  rgba(239,68,68,.12);

    --radius:    6px;
    --radius-lg: 10px;
    --radius-xl: 14px;
    --shadow:    0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.5);
    --transition: 150ms ease;
}

html { font-size: 15px; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
}

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    height: 58px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,.35);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.navbar-logo {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-text);
    flex-shrink: 0;
}

.navbar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
    letter-spacing: -.01em;
}

.navbar-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
    flex-shrink: 0;
}

.navbar-tabs {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}

.nav-tab svg { opacity: .7; transition: opacity var(--transition); }
.nav-tab:hover { background: var(--color-surface-2); color: var(--color-text); }
.nav-tab:hover svg { opacity: 1; }

.nav-tab.active {
    background: var(--color-primary-dim);
    color: var(--color-primary);
    font-weight: 600;
}
.nav-tab.active svg { opacity: 1; color: var(--color-primary); }

/* ── API Status ───────────────────────────────────────────────── */
.navbar-status { margin-left: auto; flex-shrink: 0; }

.api-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .8125rem;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid transparent;
}

.api-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.api-status--loading .api-status-dot  { background: var(--color-text-dim); animation: pulse 1.5s infinite; }
.api-status--connected .api-status-dot { background: var(--color-cache); box-shadow: 0 0 6px var(--color-cache); }
.api-status--error .api-status-dot    { background: var(--color-unmatched); }

.api-status--loading  { background: var(--color-surface-2); color: var(--color-text-muted); border-color: var(--color-border); }
.api-status--connected { background: var(--color-cache-bg); color: var(--color-cache); border-color: rgba(52,211,153,.25); }
.api-status--error    { background: var(--color-unmatched-bg); color: var(--color-unmatched); border-color: rgba(248,113,113,.25); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .3; }
}

/* ── Main content ─────────────────────────────────────────────── */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Page header ──────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
}

/* ── Cards ────────────────────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    gap: 12px;
    flex-wrap: wrap;
    background: var(--color-surface-2);
}

.card-title {
    font-size: .9375rem;
    font-weight: 600;
    color: var(--color-text);
}

.card-body { padding: 18px; }

/* ── Stats row ────────────────────────────────────────────────── */
.stats-row {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: .8125rem;
    box-shadow: var(--shadow);
}

.stat-chip-value { font-weight: 700; color: var(--color-text); }
.stat-chip-label { color: var(--color-text-muted); }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition),
                opacity var(--transition), box-shadow var(--transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}

.btn:disabled { opacity: .4; cursor: not-allowed; }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-text);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(245,158,11,.3);
}
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(245,158,11,.4);
}

.btn-secondary {
    background: var(--color-surface-2);
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
    border-color: var(--color-border-light);
}

.btn-danger {
    background: var(--color-surface-2);
    color: var(--color-unmatched);
    border-color: rgba(248,113,113,.3);
}
.btn-danger:hover:not(:disabled) { background: var(--color-unmatched-bg); }

.btn-sm { padding: 5px 10px; font-size: .8125rem; }

/* ── Search bar ───────────────────────────────────────────────── */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 220px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .875rem;
    font-family: inherit;
    background: var(--color-surface-2);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input::placeholder { color: var(--color-text-dim); }

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}

.search-mode-toggle {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-surface-2);
}

.search-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    font-size: .8125rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    transition: background var(--transition), color var(--transition);
    font-family: inherit;
}

.search-mode-btn.active {
    background: var(--color-primary);
    color: var(--color-primary-text);
    font-weight: 600;
}

/* ── Tables ───────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

thead th {
    padding: 10px 14px;
    text-align: left;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    background: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--color-surface-2); }
tbody tr.clickable { cursor: pointer; }

tbody td {
    padding: 10px 14px;
    vertical-align: middle;
    color: var(--color-text);
}

.td-code {
    font-family: 'Courier New', monospace;
    font-size: .8125rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.td-num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.td-actions { text-align: right; white-space: nowrap; }

/* ── Status badges ────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: .75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-cache     { background: var(--color-cache-bg);     color: var(--color-cache); }
.badge-api       { background: var(--color-api-bg);       color: var(--color-api); }
.badge-unmatched { background: var(--color-unmatched-bg); color: var(--color-unmatched); }
.badge-manual    { background: var(--color-manual-bg);    color: var(--color-manual); }
.badge-pending   { background: var(--color-pending-bg);   color: var(--color-pending); }
.badge-new       { background: var(--color-new-bg);       color: var(--color-new); }
.badge-rts-exact { background: var(--color-rts-exact-bg); color: var(--color-rts-exact); }
.badge-rts-fuzzy { background: var(--color-rts-fuzzy-bg); color: var(--color-rts-fuzzy); }

/* Row-level status highlight */
tr.row-cache     td:first-child { border-left: 3px solid var(--color-cache); }
tr.row-api       td:first-child { border-left: 3px solid var(--color-api); }
tr.row-unmatched td:first-child { border-left: 3px solid var(--color-unmatched); }
tr.row-manual    td:first-child { border-left: 3px solid var(--color-manual); }
tr.row-pending   td:first-child { border-left: 3px solid var(--color-border-light); }

/* ── Detail panel ─────────────────────────────────────────────── */
.detail-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 20px;
    margin-top: 16px;
    display: none;
}

.detail-panel.visible { display: block; }

.detail-panel-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.detail-field label {
    display: block;
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    margin-bottom: 3px;
}

.detail-field span {
    font-size: .9375rem;
    font-weight: 500;
}

/* ── Price breakdown ──────────────────────────────────────────── */
.price-breakdown {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.price-item {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 7px 11px;
    font-size: .8125rem;
    min-width: 100px;
}

.price-item-label {
    color: var(--color-text-muted);
    font-size: .7rem;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.price-item-value { font-weight: 700; }

/* ── Empty state ──────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    opacity: .4;
}
.empty-state-title { font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.empty-state-desc  { font-size: .875rem; }

/* ── Progress bar ─────────────────────────────────────────────── */
.progress-wrap {
    background: var(--color-surface-2);
    border-radius: 20px;
    height: 6px;
    overflow: hidden;
    margin: 8px 0;
    border: 1px solid var(--color-border);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
    border-radius: 20px;
    transition: width .3s ease;
    box-shadow: 0 0 8px rgba(245,158,11,.4);
}

/* ── Toast notifications ──────────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 9999;
}

.toast {
    background: var(--color-surface-2);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 11px 16px;
    border-radius: var(--radius);
    font-size: .875rem;
    box-shadow: var(--shadow-md);
    animation: slideIn .2s ease;
    max-width: 320px;
}

.toast-success { background: var(--color-cache-bg); color: var(--color-cache); border-color: rgba(52,211,153,.3); }
.toast-error   { background: var(--color-unmatched-bg); color: var(--color-unmatched); border-color: rgba(248,113,113,.3); }
.toast-info    { background: var(--color-primary-dim); color: var(--color-primary); border-color: rgba(245,158,11,.3); }

@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ── File upload zone ─────────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    background: var(--color-surface-2);
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-dim);
}

.upload-zone-icon  { margin-bottom: 10px; color: var(--color-text-muted); }
.upload-zone-icon svg { width: 36px; height: 36px; }
.upload-zone:hover .upload-zone-icon, .upload-zone.drag-over .upload-zone-icon { color: var(--color-primary); }
.upload-zone-text  { font-size: .9375rem; font-weight: 500; }
.upload-zone-hint  { font-size: .8125rem; color: var(--color-text-muted); margin-top: 4px; }

/* ── Spinner ──────────────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
    vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Totals row ───────────────────────────────────────────────── */
tfoot td {
    padding: 10px 14px;
    font-weight: 700;
    border-top: 2px solid var(--color-border);
    background: var(--color-surface-2);
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-dim); }

/* ── Responsive ───────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 768px) {
    html { font-size: 14px; }

    .navbar { padding: 0 12px; gap: 8px; height: 50px; }
    .navbar-title { display: none; }
    .navbar-divider { display: none; }
    .navbar-logo { width: 28px; height: 28px; border-radius: 6px; }
    .navbar-logo svg { width: 15px !important; height: 15px !important; }

    .navbar-tabs { gap: 0; }
    .nav-tab { padding: 6px 10px; font-size: .8125rem; gap: 5px; }

    .navbar-status { display: none; }

    .main-content { padding: 12px 10px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .stats-row { gap: 6px; }
    .stat-chip { padding: 4px 10px; font-size: .75rem; }
    .detail-grid { grid-template-columns: 1fr 1fr; }

    .card-header { padding: 10px 14px; }
    .card-body { padding: 14px; }

    .btn { padding: 7px 12px; font-size: .8125rem; }
    .btn-sm { padding: 5px 8px; font-size: .75rem; }

    /* Tables: horizontal scroll with sticky first column */
    .table-wrap { -webkit-overflow-scrolling: touch; }
    table { font-size: .8125rem; }
    thead th { padding: 8px 10px; font-size: .65rem; }
    tbody td { padding: 8px 10px; }

    .toast-container { bottom: 12px; right: 12px; left: 12px; }
    .toast { max-width: 100%; }

    .upload-zone { padding: 24px 16px; }

    .modal { padding: 20px; margin: 12px; }
}

/* Phone */
@media (max-width: 480px) {
    html { font-size: 13px; }

    .navbar { padding: 0 8px; gap: 4px; height: 46px; }
    .navbar-brand { gap: 6px; }
    .nav-tab { padding: 5px 8px; font-size: .75rem; }
    .nav-tab svg { width: 13px !important; height: 13px !important; }

    .main-content { padding: 10px 8px; }

    .search-bar { flex-direction: column; align-items: stretch; }
    .search-input { min-width: unset; }
    .search-mode-toggle { justify-content: stretch; }
    .search-mode-btn { flex: 1; justify-content: center; }

    .detail-grid { grid-template-columns: 1fr; }

    .stats-row { flex-wrap: wrap; }
    .stat-chip { flex: 1 1 auto; min-width: 0; justify-content: center; }

    .btn { padding: 8px 10px; font-size: .8125rem; width: 100%; justify-content: center; }
    .btn-sm { width: auto; }

    .card { border-radius: var(--radius-lg); }
    .card-header { padding: 10px 12px; flex-direction: column; align-items: flex-start; gap: 8px; }

    table { font-size: .75rem; }
    thead th { padding: 7px 8px; font-size: .6rem; }
    tbody td { padding: 7px 8px; }

    .badge { font-size: .7rem; padding: 2px 7px; }

    .upload-zone { padding: 20px 12px; }
    .upload-zone-icon svg { width: 28px; height: 28px; }
    .upload-zone-text { font-size: .875rem; }

    .modal { padding: 16px; margin: 8px; border-radius: var(--radius-lg); }
    .modal-title { font-size: .9375rem; }
    .modal-actions { flex-direction: column; }
    .modal-actions .btn { width: 100%; }

    .empty-state { padding: 32px 16px; }
    .empty-state-icon { width: 36px; height: 36px; }

    .price-breakdown { gap: 6px; }
    .price-item { min-width: 80px; padding: 6px 8px; font-size: .75rem; }

    .toast-container { bottom: 8px; right: 8px; left: 8px; }
}