/*
  REACH SVHC Pigment Checker — Stylesheet
  Poli International
  Dark-first, CSS-variable driven, matches site tool palette.
*/

/* ─── CSS Variables ──────────────────────────────────────────── */
:root {
  --brand-cyan: #0693e3;
  --brand-purple: #9b51e0;

  --danger:  #e53e3e;
  --warning: #dd6b20;
  --safe:    #38a169;
  --info:    #3182ce;

  --text-primary:   #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted:     #707070;

  --bg-page:    #0f0f0f;
  --bg-card:    #1a1a1a;
  --bg-input:   #222222;
  --bg-hover:   #2a2a2a;
  --bg-tag:     #2c2c2c;

  --border:       rgba(255,255,255,0.1);
  --border-focus: var(--brand-cyan);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 2px 6px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.55);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;
}

[data-theme="light"] {
  --text-primary:   #1a1a1a;
  --text-secondary: #555555;
  --text-muted:     #888888;
  --bg-page:    #f5f5f5;
  --bg-card:    #ffffff;
  --bg-input:   #ffffff;
  --bg-hover:   #f0f0f0;
  --bg-tag:     #eaeaea;
  --border:     rgba(0,0,0,0.12);
}

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

html { font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--brand-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ──────────────────────────────────────────────────── */
.tool-wrapper {
  max-width: 820px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* ─── Header ──────────────────────────────────────────────────── */
.tool-header {
  text-align: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.75rem;
}

.tool-header__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(6,147,227,0.12);
  border: 1px solid rgba(6,147,227,0.35);
  color: var(--brand-cyan);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.tool-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.tool-header p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
}

/* ─── Tabs ────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.3rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1;
  padding: 0.6rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}

.tab-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.tab-btn.active {
  background: var(--brand-cyan);
  color: #fff;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Input Area ──────────────────────────────────────────────── */
.input-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.input-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.search-row {
  display: flex;
  gap: 0.5rem;
}

.input-field {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: border-color 0.18s;
  width: 100%;
}

.input-field:focus { border-color: var(--border-focus); }
.input-field::placeholder { color: var(--text-muted); }

textarea.input-field {
  resize: vertical;
  min-height: 130px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-cyan);
  color: #fff;
}
.btn-primary:hover { background: #0578c8; }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { color: var(--text-primary); }

.input-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.55rem;
  line-height: 1.5;
}

/* ─── Scan Stats Bar ──────────────────────────────────────────── */
.scan-stats {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stat-dot--danger  { background: var(--danger); }
.stat-dot--safe    { background: var(--safe); }
.stat-dot--warning { background: var(--warning); }

.stat-count { font-weight: 700; color: var(--text-primary); }
.stat-label { color: var(--text-secondary); }

.scan-divider { flex: 1 0 100%; margin: 0; }

/* ─── Result Cards ────────────────────────────────────────────── */
.results-section { display: flex; flex-direction: column; gap: 0.75rem; }

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.18s;
}

.result-card:hover { box-shadow: var(--shadow-md); }

.result-card--flagged {
  border-color: rgba(229,62,62,0.4);
  border-left: 4px solid var(--danger);
}

.result-card--safe {
  border-color: rgba(56,161,105,0.3);
  border-left: 4px solid var(--safe);
}

.result-card--unknown {
  border-left: 4px solid var(--text-muted);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  user-select: none;
}

.card-header:hover { background: var(--bg-hover); }

.card-status-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  line-height: 1;
}

.card-title-block { flex: 1; min-width: 0; }

.card-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-name-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.card-badges {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge--danger  { background: rgba(229,62,62,0.18);  color: #fc8181; border: 1px solid rgba(229,62,62,0.35); }
.badge--warning { background: rgba(221,107,32,0.18); color: #f6ad55; border: 1px solid rgba(221,107,32,0.35); }
.badge--safe    { background: rgba(56,161,105,0.15); color: #68d391; border: 1px solid rgba(56,161,105,0.3); }
.badge--info    { background: rgba(49,130,206,0.15); color: #90cdf4; border: 1px solid rgba(49,130,206,0.3); }
.badge--neutral { background: var(--bg-tag); color: var(--text-muted); border: 1px solid var(--border); }

.card-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.result-card.expanded .card-chevron { transform: rotate(180deg); }

/* ─── Card Detail Body ─────────────────────────────────────────── */
.card-body {
  display: none;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border);
}

.result-card.expanded .card-body { display: block; }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
  margin-top: 0.85rem;
}

.detail-item { display: flex; flex-direction: column; gap: 0.2rem; }

.detail-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-value {
  font-size: 0.82rem;
  color: var(--text-primary);
}

.detail-value code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-tag);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.55rem;
}

.detail-tag {
  font-size: 0.72rem;
  background: var(--bg-tag);
  color: var(--text-secondary);
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.card-action-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

.card-action-row a {
  font-size: 0.78rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all 0.18s;
}
.card-action-row a:hover {
  background: var(--bg-hover);
  color: var(--brand-cyan);
  text-decoration: none;
  border-color: var(--brand-cyan);
}

/* ─── Not-Found Card ──────────────────────────────────────────── */
.not-found-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--safe);
  border-radius: var(--radius-md);
}

.not-found-card .nf-icon { font-size: 1.2rem; flex-shrink: 0; }

.not-found-card .nf-text { font-size: 0.85rem; }

.not-found-card .nf-name { font-weight: 700; color: var(--text-primary); }

.not-found-card .nf-sub { color: var(--text-muted); font-size: 0.78rem; margin-top: 0.15rem; }

/* ─── Results header ──────────────────────────────────────────── */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.results-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── Alert banner ────────────────────────────────────────────── */
.alert-banner {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  margin-bottom: 1rem;
  border: 1px solid;
}

.alert-banner--danger {
  background: rgba(229,62,62,0.1);
  border-color: rgba(229,62,62,0.35);
  color: #fc8181;
}

.alert-banner--info {
  background: rgba(49,130,206,0.08);
  border-color: rgba(49,130,206,0.3);
  color: #90cdf4;
}

/* ─── Empty / idle state ──────────────────────────────────────── */
.idle-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
}

.idle-state__icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.idle-state__text { font-size: 0.875rem; }

/* ─── Disclaimer ──────────────────────────────────────────────── */
.disclaimer {
  margin-top: 2rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.disclaimer strong { color: var(--text-secondary); }

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .tool-header h1 { font-size: 1.35rem; }
  .search-row { flex-direction: column; }
  .detail-grid { grid-template-columns: 1fr; }
  .card-badges { display: none; }
  .tabs { flex-direction: column; }
}