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

/* ─── Design tokens ─────────────────────────────────────────── */
:root {
    --primary:      #000EFF;
    --primary-hover:#0009cc;
    --nav-bg:       #000734;
    --bg:           #F6F7FB;
    --text:         #000734;
    --muted:        rgba(0,7,52,0.45);
    --border:       rgba(0,7,52,0.15);
    --panel-radius: 4px;
    --btn-radius:   4px;
    --score-good:   #27AE60;
    --score-med:    #F57C00;
    --score-poor:   #D32F2F;
}

/* ─── Base ───────────────────────────────────────────────────── */
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}
a { color: var(--primary); }

/* ─── Nav header ─────────────────────────────────────────────── */
.nav-header {
    background: var(--nav-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 40px;
}
.nav-brand {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    letter-spacing: -0.02em;
    white-space: nowrap;
}
.nav-links {
    display: flex;
    gap: 24px;
    flex: 1;
}
.nav-links a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.1s;
}
.nav-links a:hover  { color: #fff; }
.nav-links a.active { color: #fff; }

/* ─── Page shell ─────────────────────────────────────────────── */
.page-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 24px 64px;
}

/* ─── Page header ────────────────────────────────────────────── */
.page-header { margin-bottom: 32px; }
.page-header h1 {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.03em;
}
.page-header p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ─── Stat grid ──────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    padding: 20px 24px;
}
.stat-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 8px;
}
.stat-value {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.04em;
    color: var(--text);
    line-height: 1;
}
.stat-value.accent { color: var(--primary); }

/* ─── Panel ──────────────────────────────────────────────────── */
.panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    overflow: hidden;
}
.panel-section {
    border-top: 1px solid var(--border);
}
.panel-section-header {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
}

/* ─── Table ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
thead th {
    padding: 10px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(0,14,255,0.018); }

/* ─── Status row accent (left border) ───────────────────────── */
tbody tr.row-alert  td:first-child { border-left: 3px solid var(--primary); }
tbody tr.row-error  td:first-child { border-left: 3px solid var(--score-poor); }
tbody tr.row-clean  td:first-child { border-left: 3px solid var(--score-good); }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 2px 7px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 2px;
    white-space: nowrap;
}
.badge-alert    { background: rgba(0,14,255,0.10); color: var(--primary); }
.badge-error    { background: rgba(211,47,47,0.10); color: var(--score-poor); }
.badge-clean    { background: rgba(39,174,96,0.10); color: var(--score-good); }
.badge-approved { background: rgba(39,174,96,0.10); color: var(--score-good); }
.badge-pending  { background: rgba(0,14,255,0.08); color: var(--primary); }
.badge-inline   { background: rgba(0,7,52,0.07);   color: var(--muted); }
.badge-external { background: rgba(0,14,255,0.08); color: var(--primary); }
.badge-new      { background: rgba(230,126,34,0.12); color: #c0540a; font-weight: 600; }
.badge-missing  { background: rgba(211,47,47,0.10);  color: var(--score-poor); font-weight: 600; }
.badge-pattern  { background: rgba(0,7,52,0.07); color: var(--muted); margin-left: 4px; font-size: 10px; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}
.btn:hover { background: var(--primary-hover); }
.btn-sm   { padding: 5px 10px; font-size: 12px; }
.btn-ghost {
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(0,14,255,0.35);
}
.btn-ghost:hover { background: rgba(0,14,255,0.04); }
.btn-danger {
    background: transparent;
    color: var(--score-poor);
    border: 1px solid rgba(211,47,47,0.35);
}
.btn-danger:hover { background: rgba(211,47,47,0.04); }

/* ─── Forms ──────────────────────────────────────────────────── */
.form-section { max-width: 560px; }
.form-group   { margin-bottom: 24px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--btn-radius);
    background: #fff;
    color: var(--text);
    appearance: none;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,14,255,0.08);
}
.form-hint {
    font-size: 12px;
    color: var(--muted);
    margin-top: 5px;
}
.validation-message {
    font-size: 12px;
    color: var(--score-poor);
    margin-top: 5px;
}

/* inline table forms */
.inline-form {
    display: flex;
    align-items: center;
    gap: 6px;
}
.inline-form input[type="text"] {
    padding: 4px 8px;
    font-family: inherit;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    width: 120px;
    color: var(--text);
}
.inline-form input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
}

/* ─── Tabs ────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}
.tab-btn {
    padding: 13px 18px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    margin-bottom: -1px;
    transition: color 0.1s;
    white-space: nowrap;
}
.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.tab-btn:hover:not(.active) { color: var(--text); }

/* ─── Score colouring ────────────────────────────────────────── */
.score { font-size: 14px; font-weight: 500; }
.score-good { color: var(--score-good); }
.score-med  { color: var(--score-med);  }
.score-poor { color: var(--score-poor); }
.score-na   { color: var(--muted);      }

/* ─── Chart container ────────────────────────────────────────── */
.chart-wrap {
    position: relative;
    height: 220px;
    padding: 24px 24px 16px;
}

/* ─── Score summary strip ────────────────────────────────────── */
.score-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--border);
}
.score-strip-cell {
    padding: 20px 24px;
    border-right: 1px solid var(--border);
}
.score-strip-cell:last-child { border-right: none; }

/* ─── Recommendations ────────────────────────────────────────── */
.rec-group-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 10px 24px;
    border-bottom: 1px solid var(--border);
}
.rec-group-label.p-high   { color: var(--score-poor); }
.rec-group-label.p-medium { color: var(--score-med);  }
.rec-group-label.p-low    { color: var(--muted);       }
.rec-item {
    display: flex;
    gap: 16px;
    padding: 12px 24px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
}
.rec-item:last-child { border-bottom: none; }
.rec-category {
    flex-shrink: 0;
    width: 110px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    padding-top: 2px;
}

/* ─── Empty state ────────────────────────────────────────────── */
.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

/* ─── Utilities ──────────────────────────────────────────────── */
.text-muted   { color: var(--muted); }
.text-sm      { font-size: 13px; }
.font-mono    { font-family: ui-monospace, 'Cascadia Code', 'Courier New', monospace; font-size: 12px; }
.font-500     { font-weight: 500; }
.d-flex       { display: flex; }
.gap-8        { gap: 8px; }
.gap-16       { gap: 16px; }
.align-center { align-items: center; }
.flex-wrap    { flex-wrap: wrap; }
.mt-8         { margin-top: 8px; }
.mt-16        { margin-top: 16px; }
.mb-8         { margin-bottom: 8px; }
.mb-16        { margin-bottom: 16px; }
.back-link {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 8px;
}
.back-link:hover { color: var(--text); }

/* ─── Login page ─────────────────────────────────────────────── */
.login-wrap {
    max-width: 360px;
    margin: 80px auto;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.login-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}
.login-error {
    color: var(--danger, #e53e3e);
    font-size: 13px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 4px;
}
.login-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
}
.login-form input {
    display: block;
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 16px;
    background: var(--bg);
    color: var(--text);
}
.login-form button {
    width: 100%;
    padding: 9px;
    background: var(--accent, #3182ce);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}
.login-form button:hover { opacity: 0.9; }

/* ─── Nav logout button ──────────────────────────────────────── */
.nav-logout {
    background: none;
    border: none;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
    cursor: pointer;
    padding: 0;
    transition: color 0.1s;
}
.nav-logout:hover { color: #fff; }

/* ─── Expandable detail cell ─────────────────────────────────── */
.detail-cell .detail-full  { display: none; }
.detail-cell.expanded .detail-short { display: none; }
.detail-cell.expanded .detail-full  { display: inline; white-space: pre-wrap; word-break: break-word; }

/* ─── Inline script code block (expanded) ────────────────────── */
.detail-cell.expanded .detail-full.script-content {
    display: block;
    background: #f5f5f7;
    border: 1px solid rgba(0,7,52,0.1);
    border-radius: 4px;
    padding: 8px 10px;
    font-size: 11px;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    margin-top: 4px;
    user-select: text;
}

/* ─── Collapse button inside expanded script cell ────────────── */
.script-collapse-btn {
    display: block;
    background: none;
    border: none;
    padding: 0 0 6px 0;
    font-size: 11px;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
}
.script-collapse-btn:hover { text-decoration: underline; }

/* ─── Danger ghost button ────────────────────────────────────── */
.btn-danger-ghost { color: #c0540a; }
.btn-danger-ghost:hover { color: #c0540a; background: rgba(230,126,34,0.08); }

/* ─── Dynamic value diff strip ───────────────────────────────── */
.dynamic-diff {
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
    background: rgba(0,7,52,0.02);
    font-family: monospace;
    font-size: 11px;
}
.dynamic-diff-header {
    display: block;
    font-family: inherit;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 6px;
}
.dynamic-diff-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
    flex-wrap: wrap;
}
.dynamic-diff-label { color: var(--muted); min-width: 18px; }
.dynamic-diff-prev  { color: #c0540a; text-decoration: line-through; }
.dynamic-diff-arrow { color: var(--muted); }
.dynamic-diff-curr  { color: var(--score-good); }

/* ─── Source line number badge ───────────────────────────────── */
.script-line-no {
    font-size: 10px;
    color: var(--muted);
    font-family: var(--font-mono);
    margin-top: 2px;
    display: block;
}

/* ─── Bulk-resolve action bar ────────────────────────────────── */
.bulk-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* ─── Mobile nav toggle button ───────────────────────────────── */
.nav-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
    flex-shrink: 0;
    line-height: 0;
}

/* ─── Page header row (flex row that stacks on mobile) ───────── */
.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* ─── Mobile responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    /* Nav: collapse into hamburger */
    .nav-inner {
        padding: 0 16px;
        gap: 12px;
        flex-wrap: wrap;
        height: auto;
        min-height: 56px;
    }
    .pb-wordmark svg:last-child { display: none; } /* hide wordmark text, keep icon */
    .nav-menu-btn { display: flex; align-items: center; }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 4px 0 12px;
        gap: 0;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.open { display: flex; }
    .nav-links a {
        padding: 11px 4px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.07);
        display: block;
    }
    .nav-links form { padding: 8px 0; }
    .nav-logout { padding: 3px 0; font-size: 15px; }

    /* Reduce page padding */
    .page-content { padding: 20px 16px 48px; }

    /* Page header row stacks vertically */
    .page-header-row {
        flex-direction: column;
        gap: 12px;
    }

    /* Tabs: scroll horizontally instead of falling off screen */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 12px;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }
    .tabs::-webkit-scrollbar { display: none; }
    .tab-btn { padding: 13px 12px; font-size: 13px; }

    /* Score strip: 2 columns on mobile */
    .score-strip { grid-template-columns: repeat(2, 1fr); }
    .score-strip-cell:nth-child(2) { border-right: none; }

    /* Stat grid: ensure minimum isn't too wide */
    .stat-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

    /* Reduce panel section header padding */
    .panel-section-header { padding: 12px 16px; }
    .rec-group-label { padding: 10px 16px; }
    .rec-item { padding: 12px 16px; }
    .chart-wrap { padding: 16px 16px 12px; }
}