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

/* ═══════════════════════════════════════════════════════════════════════════
   DESIGN TOKENS — Modern SaaS, indigo accent.
   Legacy names (--blue, --slate-*, --white) are kept and remapped so existing
   rules adopt the new system; new semantic tokens (--accent, --surface, --text,
   --border, radii, shadows) power the refined components in design.css.
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
    /* accent — indigo */
    --accent:        #4f46e5;
    --accent-hover:  #4338ca;
    --accent-press:  #3730a3;
    --accent-fg:     #ffffff;
    --accent-text:   #4f46e5;   /* accent as text on light surfaces */
    --accent-subtle: #eef2ff;   /* tinted background */
    --accent-border: #c7d2fe;

    /* brand — the signal bar of the logo (matches the website: indigo) */
    --brand-signal:  #4f46e5;

    /* legacy alias → accent (so existing var(--blue*) rules become indigo) */
    --blue:       #4f46e5;
    --blue-dark:  #4338ca;
    --blue-light: #eef2ff;

    /* status */
    --green:    #15803d;  --green-bg:  #dcfce7;
    --red:      #cd1643;  --red-bg:    #ffe4e6;
    --amber:    #a85505;  --amber-bg:  #fef3c7;
    --violet:   #7c3aed;  --violet-bg: #f3e8ff;

    /* neutrals (slate) */
    --slate:      #617087;
    --slate-100:  #f1f5f9;
    --slate-200:  #e7eaef;
    --slate-300:  #cbd5e1;
    --slate-700:  #3f4756;
    --slate-900:  #0b1220;
    --white:      #ffffff;

    /* semantic surfaces & text */
    --bg:            #f5f6f8;   /* page */
    --surface:       #ffffff;   /* cards */
    --surface-2:     #f8fafc;   /* subtle panels */
    --surface-3:     #f1f3f6;
    --border:        #e7e9ee;   /* hairline */
    --border-strong: #d6dae1;
    --text:          #0b1220;   /* primary */
    --text-muted:    #5a6473;   /* secondary */
    --text-subtle:   #657080;   /* tertiary */
    --accent-bg:     #eef2ff;
    --warn-bg:       #fffbeb;

    /* radii */
    --r-sm: 6px; --r: 10px; --r-lg: 14px; --r-xl: 20px; --radius: 10px;

    /* elevation — soft, layered */
    --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
    --shadow:    0 1px 3px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.04);
    --shadow-md: 0 4px 14px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
    --shadow-lg: 0 14px 32px rgba(15,23,42,.12), 0 4px 10px rgba(15,23,42,.06);
    --shadow-xl: 0 28px 56px rgba(15,23,42,.16);

    --ring: 0 0 0 3px rgba(79,70,229,.32);
}

/* ─── Dark theme ─────────────────────────────────────────────────────────────── */
:root[data-theme="dark"] {
    --accent:        #5e62f0;
    --accent-hover:  #4f53e8;
    --accent-press:  #818cf8;
    --accent-fg:     #ffffff;
    --accent-text:   #a5b4fc;
    --accent-subtle: #1e1b3a;
    --accent-border: #3730a3;

    /* brand — signal bar on dark (matches the website's dark header) */
    --brand-signal:  #818cf8;

    --blue:       #5e62f0;
    --blue-dark:  #4f46e5;
    --blue-light: #1e1b3a;

    --green:  #22c55e;  --green-bg:  #0e3a22;
    --red:    #fb7185;  --red-bg:    #3d1d29;
    --amber:  #fbbf24;  --amber-bg:  #3a2c0a;
    --violet: #a78bfa;  --violet-bg: #2c2350;

    --slate:      #94a3b8;
    --slate-100:  #1b2231;   /* subtle panel */
    --slate-200:  #2a3344;   /* borders */
    --slate-300:  #606e86;
    --slate-700:  #c8d2e0;   /* body text */
    --slate-900:  #f3f6fb;   /* headings */
    --white:      #151b27;   /* card surface */

    --bg:            #0b0f17;
    --surface:       #151b27;
    --surface-2:     #1a2130;
    --surface-3:     #1f2738;
    --border:        #262f3f;
    --border-strong: #3d4a5f;
    --text:          #e9edf4;
    --text-muted:    #9aa6b6;
    --text-subtle:   #8791a3;
    --accent-bg:     #181a2e;
    --warn-bg:       #2a2410;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow:    0 1px 3px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 4px 14px rgba(0,0,0,.5);
    --shadow-lg: 0 14px 32px rgba(0,0,0,.55);
    --shadow-xl: 0 28px 56px rgba(0,0,0,.6);
    --ring: 0 0 0 3px rgba(99,102,241,.45);
    color-scheme: dark;
}

html { font-size: 15px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02','cv03','cv04','cv11';
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.app-header {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
    color: white;
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -.3px;
}

.header-brand svg { opacity: .9; }

.header-actions { display: flex; align-items: center; gap: .75rem; }

.header-file {
    font-size: .8rem;
    opacity: .95;
    background: rgba(0,0,0,.16);
    padding: .25rem .75rem;
    border-radius: 20px;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .45rem 1rem;
    border-radius: 7px;
    font-size: .85rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background .15s, opacity .15s;
}
.btn:hover { opacity: .88; }
/* Default ghost button = light surface (used on white/light panels).
   The header restyles its own ghost buttons for the dark gradient below. */
.btn-ghost { background: var(--white); color: var(--slate-700); border: 1px solid var(--slate-200); }
.btn-ghost:hover { background: var(--slate-100); opacity: 1; }
.btn-primary { background: var(--blue); color: white; }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }

/* Header sits on a dark gradient — keep its ghost buttons translucent-white. */
.app-header .btn-ghost { background: rgba(0,0,0,.18); color: #fff; border-color: rgba(255,255,255,.25); }
.app-header .btn-ghost:hover { background: rgba(0,0,0,.28); }

/* ─── Layout ──────────────────────────────────────────────────────────────── */
.page { max-width: 1280px; margin: 0 auto; padding: 2rem 1.5rem; }

.hidden { display: none !important; }

/* ─── Upload Section ──────────────────────────────────────────────────────── */
#upload-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    padding: 2rem;
}

.upload-card {
    background: var(--white);
    border-radius: 16px;
    padding: 3rem 4rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 560px;
    width: 100%;
}

.upload-card h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: .5rem;
}

.upload-card p {
    color: var(--slate);
    margin-bottom: 2rem;
    font-size: .95rem;
}

.dropzone {
    border: 2px dashed var(--slate-300);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    background: var(--slate-100);
}

.dropzone:hover, .dropzone.drag-over {
    border-color: var(--blue);
    background: var(--blue-light);
}

.dropzone-icon {
    margin: 0 auto 1rem;
    color: var(--slate-300);
}

.dropzone.drag-over .dropzone-icon { color: var(--blue); }

.dropzone h3 { font-size: 1rem; color: var(--slate-700); margin-bottom: .35rem; }
.dropzone p  { font-size: .85rem; color: var(--slate); margin: 0; }
.dropzone .browse { color: var(--accent-text); font-weight: 500; }

.supported-note {
    margin-top: 1.5rem;
    font-size: .8rem;
    color: var(--slate);
}

.error-msg {
    margin-top: 1.25rem;
    padding: .75rem 1rem;
    background: var(--red-bg);
    color: var(--red);
    border-radius: 8px;
    font-size: .875rem;
    border-left: 3px solid var(--red);
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
    margin-top: 2rem;
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    color: var(--slate);
}

.feature-item svg { color: var(--green); flex-shrink: 0; }

/* ─── Loading Section ─────────────────────────────────────────────────────── */
#loading-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    gap: 1.5rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--slate-200);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

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

.loading-text { font-size: 1rem; color: var(--slate); }
.loading-text strong { color: var(--slate-700); }
.load-progress { width: 260px; max-width: 70vw; height: 6px; margin: 1rem auto .35rem; background: var(--slate-100, #e7e9ee); border-radius: 999px; overflow: hidden; }
.load-progress.hidden { display: none; }
.load-progress-bar { height: 100%; width: 0; background: var(--accent, #4f46e5); border-radius: 999px; transition: width .12s linear; }
.load-progress-label { font-size: .8rem; color: var(--slate); font-variant-numeric: tabular-nums; min-height: 1em; }

/* ─── Dashboard ───────────────────────────────────────────────────────────── */
#dashboard-section { animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ─── Score Banner ────────────────────────────────────────────────────────── */
.score-banner {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.score-gauge {
    text-align: center;
    min-width: 80px;
}

#health-score {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.score-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-top: .25rem;
}

.score-label.pass { color: var(--green); }
.score-label.warn { color: var(--amber); }
.score-label.fail { color: var(--red); }

.score-legend {
    font-size: .8rem;
    color: var(--slate);
    border-left: 2px solid var(--slate-200);
    padding-left: 2rem;
}

.score-legend p { margin-bottom: .15rem; }

.proj-summary {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: .75rem;
}

.proj-field { display: flex; flex-direction: column; gap: .1rem; }
.proj-field label { font-size: .7rem; text-transform: uppercase; letter-spacing: .5px; color: var(--slate); font-weight: 500; }
.proj-field span  { font-size: .9rem; font-weight: 600; color: var(--slate-900); }

/* ─── Metric Cards ────────────────────────────────────────────────────────── */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.1rem 1.25rem;
}

.metric-card .label {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--slate);
    font-weight: 500;
    margin-bottom: .35rem;
}

.metric-card .value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--slate-900);
    line-height: 1;
}

.metric-card.accent-blue  { border-top: 3px solid var(--blue); }
.metric-card.accent-green { border-top: 3px solid var(--green); }
.metric-card.accent-red   { border-top: 3px solid var(--red); }
.metric-card.accent-amber { border-top: 3px solid var(--amber); }
.metric-card.accent-slate { border-top: 3px solid var(--slate-300); }

/* ─── Overview Charts Row ─────────────────────────────────────────────────── */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.5rem;
}

.chart-card h3 {
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--slate-700);
}

.chart-wrap {
    height: 220px;
    position: relative;
}

.chart-wrap-sm {
    height: 180px;
    position: relative;
}

/* ─── Tabs ────────────────────────────────────────────────────────────────── */
.tabs-bar {
    display: flex;
    gap: .25rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: .5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.tab-btn {
    padding: .55rem 1.2rem;
    border: none;
    background: transparent;
    border-radius: 7px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--slate);
    cursor: pointer;
    transition: background .15s, color .15s;
    white-space: nowrap;
}

.tab-btn:hover { background: var(--slate-100); color: var(--slate-700); }
.tab-btn.active { background: var(--blue); color: white; }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .2s ease; }

/* ─── DCMA Cards ──────────────────────────────────────────────────────────── */
#dcma-checks { display: flex; flex-direction: column; gap: 1rem; }

.dcma-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.dcma-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.dcma-num {
    font-size: .75rem;
    font-weight: 700;
    color: var(--slate);
    background: var(--slate-100);
    border-radius: 6px;
    padding: .25rem .5rem;
    white-space: nowrap;
    margin-top: .1rem;
}

.dcma-info { flex: 1; }
.dcma-name { font-weight: 600; color: var(--slate-900); margin-bottom: .15rem; }
.dcma-desc { font-size: .82rem; color: var(--slate); }

.dcma-status {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: .3rem .8rem;
    border-radius: 20px;
    white-space: nowrap;
}

.dcma-status.pass { background: var(--green-bg); color: var(--green); }
.dcma-status.fail { background: var(--red-bg);   color: var(--red); }
.dcma-status.na   { background: var(--slate-100); color: var(--slate); }

.dcma-body { padding: 0 1.25rem 1rem; }

.dcma-metrics {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: .75rem;
}

.dcma-metric { display: flex; flex-direction: column; gap: .1rem; }
.metric-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .4px; color: var(--slate); }
.metric-val   { font-size: .95rem; font-weight: 600; color: var(--slate-900); }
.metric-val.small { font-size: .82rem; }

.dcma-note {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    color: var(--amber);
    background: var(--amber-bg);
    padding: .5rem .75rem;
    border-radius: 6px;
    margin-bottom: .75rem;
}

/* ─── Affected Details ────────────────────────────────────────────────────── */
.affected-details summary {
    font-size: .83rem;
    color: var(--accent-text);
    cursor: pointer;
    user-select: none;
    padding: .4rem 0;
    font-weight: 500;
}

.affected-details summary:hover { text-decoration: underline; }

.affected-table-wrap {
    overflow-x: auto;
    margin-top: .5rem;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--slate-200);
    border-radius: 6px;
}

.affected-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .82rem;
}

.affected-table th {
    background: var(--slate-100);
    padding: .5rem .75rem;
    text-align: left;
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .4px;
    color: var(--slate);
    position: sticky;
    top: 0;
}

.affected-table td {
    padding: .45rem .75rem;
    border-top: 1px solid var(--slate-200);
    vertical-align: top;
}

.affected-table tr:hover td { background: var(--slate-100); }

.affected-table td.issue { color: var(--red); font-size: .8rem; }

/* ─── Health Tab ──────────────────────────────────────────────────────────── */
.health-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.health-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.5rem;
}

.health-card h3 {
    font-size: .9rem;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--slate-200);
}

.info-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.info-table td { padding: .45rem 0; border-bottom: 1px solid var(--slate-100); }
.info-table td:first-child { color: var(--slate); }
.info-table td:last-child  { text-align: right; font-weight: 500; color: var(--slate-900); }
.info-table tr.sep td { border-top: 1px solid var(--slate-200); padding-top: .75rem; }
.pass-text { color: var(--green) !important; }
.prog-text { color: var(--accent-text)  !important; }
.fail-text { color: var(--red)   !important; }

/* ─── Data Table ──────────────────────────────────────────────────────────── */
.table-toolbar {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: .875rem 1.25rem;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: .45rem .85rem;
    border: 1px solid var(--slate-200);
    border-radius: 6px;
    font-size: .875rem;
    font-family: inherit;
    color: var(--slate-700);
}

.search-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }

.filter-select {
    padding: .45rem .75rem;
    border: 1px solid var(--slate-200);
    border-radius: 6px;
    font-size: .875rem;
    font-family: inherit;
    color: var(--slate-700);
    background: var(--white);
    cursor: pointer;
}

.check-label {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .875rem;
    color: var(--slate-700);
    cursor: pointer;
    user-select: none;
}

.table-count { font-size: .8rem; color: var(--slate); margin-left: auto; white-space: nowrap; }

.table-wrap {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: auto;
    max-height: 600px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .845rem;
}

.data-table th {
    background: var(--slate-100);
    padding: .65rem .9rem;
    text-align: left;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .4px;
    color: var(--slate);
    position: sticky;
    top: 0;
    border-bottom: 2px solid var(--slate-200);
    white-space: nowrap;
}

.data-table td {
    padding: .55rem .9rem;
    border-bottom: 1px solid var(--slate-100);
    vertical-align: middle;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table tr:hover td { background: var(--surface-2); }

.critical-row td { background: #fff8f8; }
.critical-row:hover td { background: #fff0f0; }
[data-theme="dark"] .critical-row td { background: rgba(225,29,72,.12); }
[data-theme="dark"] .critical-row:hover td { background: rgba(225,29,72,.20); }

.mono      { font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace; font-size: .8rem; }
.date-cell { white-space: nowrap; color: var(--slate); font-size: .82rem; }
.num-cell  { text-align: right; font-variant-numeric: tabular-nums; }
.neg-float { color: var(--red); font-weight: 600; }

.limit-note {
    text-align: center;
    color: var(--slate);
    font-style: italic;
    font-size: .82rem;
    padding: .75rem !important;
}

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 600;
    padding: .2rem .55rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .3px;
    white-space: nowrap;
}

.badge-complete  { background: var(--green-bg);  color: var(--green); }
.badge-progress  { background: var(--blue-light); color: var(--accent-text); }
.badge-notstart  { background: var(--slate-100);  color: var(--slate); }

.type-badge {
    display: inline-block;
    font-size: .72rem;
    background: var(--slate-100);
    color: var(--slate-700);
    padding: .15rem .5rem;
    border-radius: 4px;
    font-weight: 500;
}

/* ─── Empty State ─────────────────────────────────────────────────────────── */
.empty-msg {
    text-align: center;
    color: var(--slate);
    padding: 3rem;
    font-size: .95rem;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .app-header { padding: 0 1rem; }
    .page       { padding: 1rem; }
    .score-banner { flex-direction: column; gap: 1rem; }
    .charts-row { grid-template-columns: 1fr; }
    .health-grid { grid-template-columns: 1fr; }
    .proj-summary { grid-template-columns: 1fr 1fr; }
    .upload-card  { padding: 2rem 1.5rem; }
    .feature-list { grid-template-columns: 1fr; }
    .header-file  { display: none; }
    .metric-grid  { grid-template-columns: repeat(2, 1fr); }
}