:root {
  color-scheme: light;
  --bg: #edf4fb;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #17364e;
  --muted: #60788d;
  --primary-a: #0f3550;
  --primary-b: #188a78;
  --accent-a: #ffbe2e;
  --accent-b: #ffdf7c;
  --success: #2d8f67;
  --warning: #f3a521;
  --error: #d64545;
  --line: rgba(103, 133, 157, 0.16);
  --shadow: 0 24px 60px rgba(17, 49, 73, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 203, 74, 0.24), transparent 32%),
    radial-gradient(circle at top right, rgba(24, 138, 120, 0.2), transparent 28%),
    linear-gradient(180deg, #f6f9fc 0%, var(--bg) 100%);
  color: var(--text);
}

.page-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.hero {
  display: grid;
  grid-template-columns: 1.45fr 0.95fr;
  gap: 20px;
  background: linear-gradient(135deg, var(--primary-a), #1e607f 56%, var(--primary-b));
  border-radius: 32px;
  padding: 24px;
  box-shadow: var(--shadow);
  color: #fff;
}

.hero-copy h1 {
  margin: 14px 0 12px;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1;
}

.hero-copy p {
  margin: 0;
  max-width: 60ch;
  color: #d9eef8;
  font-size: 1rem;
}

.pill,
.eyebrow,
.mini-label {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.pill {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff3c4;
  font-weight: 700;
  font-size: 0.78rem;
}

.eyebrow {
  padding: 6px 10px;
  background: rgba(17, 54, 78, 0.08);
  color: #597085;
  font-weight: 700;
  font-size: 0.78rem;
}

.mini-label {
  padding: 5px 9px;
  background: rgba(17, 54, 78, 0.08);
  color: #597085;
  font-size: 0.76rem;
  font-weight: 700;
}

.hero-metrics {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-metrics article,
.metric-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 14px 16px;
  backdrop-filter: blur(10px);
}

.hero-metrics span,
.metric-card span {
  display: block;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.85rem;
}

.hero-metrics strong,
.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
}

.hero-logo {
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  min-height: 260px;
}

.hero-logo img {
  width: min(100%, 240px);
  max-height: 220px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(255, 210, 54, 0.15));
}

.content-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 0.96fr 1.24fr;
  gap: 20px;
  align-items: start;
}

.card,
.result-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card {
  padding: 22px;
}

.section-head h2 {
  margin: 10px 0 0;
  font-size: 1.65rem;
}

.stack {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

label span {
  display: block;
  margin-bottom: 7px;
  font-weight: 700;
}

input,
select,
button {
  font: inherit;
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(247, 251, 255, 0.95);
  color: var(--text);
  padding: 14px 15px;
}

button {
  border: 0;
  cursor: pointer;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 700;
  transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary-button {
  background: linear-gradient(120deg, var(--accent-a), var(--accent-b));
  color: #2b2507;
  box-shadow: 0 16px 30px rgba(255, 190, 46, 0.25);
}

.ghost-button {
  background: #edf4fb;
  color: var(--text);
}

.info-box {
  margin-top: 14px;
  background: #eef6fc;
  border-radius: 20px;
  padding: 14px 16px;
  color: #456179;
}

.info-box.muted {
  background: #fff7df;
  color: #715930;
}

.info-box.compact {
  margin-top: 0;
}

.info-box p {
  margin: 6px 0 0;
}

.status-text {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
}

.hidden {
  display: none;
}

.session-banner {
  margin-top: 18px;
  background: linear-gradient(135deg, rgba(17, 54, 78, 0.06), rgba(24, 138, 120, 0.08));
  border-radius: 22px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.session-banner strong {
  display: block;
  margin-top: 4px;
  font-size: 1.12rem;
}

.session-meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.inline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f4f8fc;
}

.switch-row span {
  margin: 0;
  font-weight: 600;
}

.upload-box {
  position: relative;
  border: 2px dashed rgba(24, 138, 120, 0.35);
  background: linear-gradient(180deg, #f6fbff, #edf8f4);
  border-radius: 24px;
  padding: 18px;
}

.upload-box input {
  width: 100%;
}

.upload-box span {
  margin-top: 10px;
  font-weight: 600;
  color: #527085;
}

.metric-row {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  background: linear-gradient(135deg, #10324b, #247362);
  color: #fff;
}

.result-section {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.result-card {
  margin-top: 18px;
  padding: 18px;
}

.result-card h3 {
  margin: 0 0 10px;
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  background: #edf4fb;
  color: #264a63;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.86rem;
  font-weight: 700;
}

.file-list,
.issues-list {
  margin: 0;
  padding-left: 18px;
}

textarea {
  width: 100%;
  resize: vertical;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(247, 251, 255, 0.95);
  color: var(--text);
  padding: 14px 15px;
  min-height: 96px;
}

.compact-stack {
  margin-top: 16px;
}

.audit-grid,
.history-list {
  display: grid;
  gap: 10px;
}

.audit-card,
.history-item {
  border-radius: 18px;
  background: #f6f9fc;
  border: 1px solid var(--line);
  padding: 14px;
}

.audit-card h4,
.history-item h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.audit-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 8px;
  margin-bottom: 6px;
}

.audit-row span:first-child {
  color: var(--muted);
  font-weight: 700;
}

.history-toolbar {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 14px;
  align-items: end;
}

.inner-card {
  margin-top: 0;
  box-shadow: none;
  background: #fbfdff;
}

.file-list li {
  margin-bottom: 8px;
  color: #4b687f;
}

.issue-item {
  list-style: none;
  margin: 0 0 10px;
  padding: 14px;
  border-radius: 18px;
  background: #f6f9fc;
  border: 1px solid var(--line);
}

.issue-item.error {
  background: #fff2ef;
}

.issue-item.warning {
  background: #fff8e4;
}

.issue-item.info {
  background: #edf7ff;
}

.issue-rule {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #5a7187;
}

.empty-state {
  color: var(--muted);
}

@media (max-width: 920px) {
  .hero,
  .content-grid,
  .result-section,
  .inline-grid,
  .metric-row,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    min-height: 180px;
  }

  .page-shell {
    width: min(100% - 18px, 100%);
  }
}