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

:root {
    --bg: #f6f7f9;
    --bg-card: #ffffff;
    --bg-sidebar: #1a1d23;
    --bg-sidebar-hover: #2a2d35;
    --bg-sidebar-active: #33363f;
    --text: #1a1d23;
    --text-secondary: #5f6577;
    --text-sidebar: #a0a4b0;
    --text-sidebar-active: #ffffff;
    --border: #e2e4ea;
    --border-focus: #4f6ef7;
    --accent: #4f6ef7;
    --accent-hover: #3d5bd9;
    --accent-light: #eef1fe;
    --success: #1a9a5c;
    --success-light: #e8f7ef;
    --warning: #d4880f;
    --warning-light: #fef5e7;
    --danger: #d93636;
    --danger-light: #fde8e8;
    --mono: 'JetBrains Mono', monospace;
    --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --radius-sm: 5px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --sidebar-width: 240px;
    --transition: 150ms ease;
}

body {
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

/* ─── Sidebar ─── */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px 16px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 34px; height: 34px;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.logo-text {
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

.nav-links {
    flex: 1;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    color: var(--text-sidebar);
    text-decoration: none;
    border-radius: 6px;
    font-size: 13.5px;
    font-weight: 450;
    transition: all var(--transition);
}
.nav-link:hover { background: var(--bg-sidebar-hover); color: #d0d3db; }
.nav-link.active { background: var(--bg-sidebar-active); color: var(--text-sidebar-active); font-weight: 550; }

.nav-divider { height: 1px; background: #2a2d35; margin: 10px 4px; }
.nav-section-label { color: #5f6270; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; padding: 6px 12px 4px; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid #2a2d35;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-badge { display: flex; align-items: center; gap: 8px; }
.user-initial {
    width: 28px; height: 28px;
    background: #3d5bd9;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}
.user-name { color: #ccc; font-size: 13px; }
.logout-link { color: #888; font-size: 12px; text-decoration: none; }
.logout-link:hover { color: #ccc; }

/* ─── Main Content ─── */
main { padding: 24px 32px; max-width: 1200px; }
main.with-sidebar { margin-left: var(--sidebar-width); }

/* ─── Flash Messages ─── */
.flash-container { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.flash-success { background: var(--success-light); color: var(--success); border: 1px solid #b8e5cd; }
.flash-error { background: var(--danger-light); color: var(--danger); border: 1px solid #f5c6c6; }
.flash-close { background: none; border: none; font-size: 18px; cursor: pointer; color: inherit; opacity: 0.6; }

/* ─── Page Headers ─── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-title { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.page-subtitle { color: var(--text-secondary); font-size: 14px; margin-top: 2px; }

/* ─── Cards ─── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-body { padding: 20px; }
.card + .card { margin-top: 16px; }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
    vertical-align: top;
}
tbody tr:hover { background: #f9fafb; }
tbody tr:last-child td { border-bottom: none; }

.cell-id { font-family: var(--mono); font-size: 12px; color: var(--text-secondary); max-width: 120px; overflow: hidden; text-overflow: ellipsis; }
.cell-name { font-weight: 500; }
.cell-name a { color: var(--text); text-decoration: none; }
.cell-name a:hover { color: var(--accent); }

/* ─── Badges ─── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 550;
    line-height: 1.6;
    white-space: nowrap;
}
.badge-active { background: var(--success-light); color: var(--success); }
.badge-inactive { background: var(--danger-light); color: var(--danger); }
.badge-neutral { background: #f0f1f5; color: var(--text-secondary); }
.badge-exception { background: var(--warning-light); color: var(--warning); }
.badge-group { background: var(--accent-light); color: var(--accent); }
.badge-bool-yes { background: var(--success-light); color: var(--success); }
.badge-bool-no { background: #f1f2f5; color: #888; }
.badge-redirect { background: #fef0e7; color: #c2590a; }
.badge-plan {
    background: #f0f1f5;
    color: var(--text-secondary);
    font-size: 11.5px;
    margin: 1px 3px 1px 0;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--sans);
    font-size: 13.5px;
    font-weight: 550;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f6f7f9; border-color: #ccc; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f5c6c6; }
.btn-danger:hover { background: var(--danger-light); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-ghost { background: none; border: none; color: var(--accent); padding: 4px 8px; }
.btn-ghost:hover { background: var(--accent-light); }

/* ─── Forms ─── */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full-width { grid-column: 1 / -1; }
.form-label {
    font-size: 13px;
    font-weight: 550;
    color: var(--text-secondary);
}
.form-label .required { color: var(--danger); }

input[type="text"],
input[type="date"],
input[type="number"],
select,
textarea {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--sans);
    font-size: 14px;
    color: var(--text);
    background: #fff;
    transition: border-color var(--transition);
    width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.12);
}
textarea { resize: vertical; min-height: 80px; }
select[multiple] { min-height: 160px; }

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}
.checkbox-row input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--accent);
}
.checkbox-row label { font-size: 14px; cursor: pointer; }

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 2px 16px;
}
.checkbox-grid .checkbox-row { padding: 4px 0; }

.form-hint { font-size: 12px; color: var(--text-secondary); }
.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Inline form (e.g., alias add) */
.inline-form {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.inline-form .form-group { flex: 1; min-width: 150px; }

/* ─── Filters Bar ─── */
.filters-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
}
.filters-bar .form-group { min-width: 0; flex: none; }
.filters-bar input[type="text"] { width: 260px; }
.filters-bar select { width: 160px; }

/* ─── Detail Layout ─── */
.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    align-items: start;
}
.detail-field { margin-bottom: 14px; }
.detail-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-secondary); margin-bottom: 3px; }
.detail-value { font-size: 14px; }
.detail-value.mono { font-family: var(--mono); font-size: 13px; word-break: break-all; }

.detail-section { margin-bottom: 8px; }
.detail-section-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

/* ─── Login Page ─── */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 380px;
    text-align: center;
}
.login-card .logo { margin: 0 auto 12px; width: 48px; height: 48px; font-size: 18px; }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p { color: var(--text-secondary); font-size: 13.5px; margin-bottom: 24px; }
.login-card select { text-align: center; margin-bottom: 16px; }

/* ─── Pagination ─── */
.pagination {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    font-size: 13px;
}
.pagination a, .pagination span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
}
.pagination a:hover { background: #f0f1f5; }
.pagination .current { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}
.empty-state svg { margin-bottom: 12px; opacity: 0.3; }
.empty-state p { font-size: 15px; margin-bottom: 16px; }

/* ─── Utilities ─── */
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 13px; }
.text-mono { font-family: var(--mono); }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .sidebar { width: 200px; }
    :root { --sidebar-width: 200px; }
    .form-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
}

/* ─── Confidence Badges (Phase 2) ─── */
.badge-confidence-high { background: var(--success-light); color: var(--success); font-weight: 600; }
.badge-confidence-medium { background: var(--warning-light); color: var(--warning); font-weight: 600; }
.badge-confidence-low { background: #f0f1f5; color: var(--text-secondary); font-weight: 600; }

/* ─── Match Results (Phase 2) ─── */
.match-row-inactive { opacity: 0.65; }
.match-row-inactive td { font-style: italic; }

/* ─── Modal Overlay (Phase 2) ─── */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 200;
    overflow-y: auto;
}

/* ─── CSV Compare (Phase 3) ─── */
.compare-summary {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.compare-stat {
    flex: 1;
    min-width: 100px;
    padding: 16px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
}
.compare-stat-num {
    display: block;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}
.compare-stat-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 4px;
}
.compare-stat-new    { background: #eef1fe; }
.compare-stat-new .compare-stat-num { color: var(--accent); }
.compare-stat-new .compare-stat-label { color: var(--accent); }
.compare-stat-missing { background: var(--warning-light); }
.compare-stat-missing .compare-stat-num { color: var(--warning); }
.compare-stat-missing .compare-stat-label { color: var(--warning); }
.compare-stat-name { background: #fef0e7; }
.compare-stat-name .compare-stat-num { color: #c2590a; }
.compare-stat-name .compare-stat-label { color: #c2590a; }
.compare-stat-diff { background: var(--danger-light); }
.compare-stat-diff .compare-stat-num { color: var(--danger); }
.compare-stat-diff .compare-stat-label { color: var(--danger); }
.compare-stat-match { background: var(--success-light); }
.compare-stat-match .compare-stat-num { color: var(--success); }
.compare-stat-match .compare-stat-label { color: var(--success); }

/* Category filter tabs */
.compare-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 0;
    flex-wrap: wrap;
}
.compare-tab {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    background: #f6f7f9;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 550;
    transition: all var(--transition);
}
.compare-tab:hover { background: #eef0f3; color: var(--text); }
.compare-tab.active {
    background: var(--bg-card);
    color: var(--text);
    border-bottom-color: var(--bg-card);
}
.compare-tab-count {
    background: #e2e4ea;
    color: var(--text-secondary);
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 4px;
}
.compare-tab.active .compare-tab-count {
    background: var(--accent-light);
    color: var(--accent);
}

/* Category badges */
.badge-compare-new        { background: var(--accent-light); color: var(--accent); }
.badge-compare-missing    { background: var(--warning-light); color: var(--warning); }
.badge-compare-name_changed { background: #fef0e7; color: #c2590a; }
.badge-compare-field_diff { background: var(--danger-light); color: var(--danger); }
.badge-compare-match      { background: var(--success-light); color: var(--success); }

/* Diff display */
.compare-diff-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    line-height: 1.6;
}
.compare-diff-field {
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}
.compare-diff-old {
    background: var(--danger-light);
    color: var(--danger);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 12px;
}
.compare-diff-arrow { color: var(--text-secondary); font-size: 12px; }
.compare-diff-new {
    background: var(--success-light);
    color: var(--success);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 12px;
}

/* Resolved row styling */
.compare-row-accepted { opacity: 0.55; }
.compare-row-dismissed { opacity: 0.45; }

/* In Review badge and button */
.badge-in-review { background: #e8e0f7; color: #6b21a8; }
.btn-in-review { background: #f3eefa; color: #6b21a8; border-color: #d4c4ec; }
.btn-in-review:hover { background: #e8e0f7; border-color: #b89fdb; }

/* Notes within result rows */
.compare-notes { margin-top: 6px; }
.compare-notes-text {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
    padding: 3px 0;
    line-height: 1.4;
}
.compare-note-form {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-top: 4px;
}
.compare-note-form input[type="text"] {
    flex: 1;
    min-width: 180px;
}

/* Action buttons stack */
.compare-actions {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

/* Sidebar pending count badge */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    margin-left: auto;
}

/* ─── Client Match (Phase 4) ─── */
.badge-client-input { background: var(--warning-light); color: var(--warning); }

/* Candidates and manual search panels */
.cm-candidates-list table { margin-top: 4px; }
.cm-candidates-list thead th { font-size: 11px; padding: 6px 10px; }
.cm-candidates-list tbody td { font-size: 13px; padding: 6px 10px; }

/* Manual match search dropdown */
.cm-search-results { position: relative; }
.cm-search-dropdown {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    max-height: 240px;
    overflow-y: auto;
}
.cm-search-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}
.cm-search-item:last-child { border-bottom: none; }
.cm-search-item:hover { background: var(--accent-light); }

/* Action panel rows */
.cm-action-panel td { padding: 0 !important; }
.cm-action-panel form { padding: 8px 14px; }

/* Notes row styling */
.cm-notes-row td { padding-top: 0 !important; padding-bottom: 6px !important; }