:root {
  --bg-0: #f2efe7;
  --bg-1: #e4eef2;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-border: rgba(22, 43, 56, 0.14);
  --text: #10222b;
  --muted: #36505e;
  --accent: #0b8d74;
  --accent-2: #f08a24;
  --danger: #b00020;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(5, 21, 27, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(240, 138, 36, 0.18), transparent 35%),
    radial-gradient(circle at 90% 15%, rgba(11, 141, 116, 0.2), transparent 30%),
    linear-gradient(135deg, var(--bg-0), var(--bg-1));
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 2000;
  background: #fff;
  border: 2px solid var(--accent);
  color: var(--text);
  padding: 0.5rem 0.75rem;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 1.2rem 1.4rem;
}

.hero h1 {
  margin: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(1.7rem, 4.8vw, 2.5rem);
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0.4rem 0 0;
  max-width: 60ch;
  color: var(--muted);
}

.hero__meta {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__meta p {
  margin: 0.25rem 0;
}

.layout {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.card--full {
  grid-column: 1 / -1;
}

.card h2 {
  margin: 0 0 0.8rem;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.15rem;
}

.inline-form {
  display: grid;
  gap: 0.6rem;
}

.process-grid {
  grid-template-columns: 1fr;
}

.import-grid,
.filter-grid,
.exam-grid {
  grid-template-columns: 1fr;
}

label {
  font-size: 0.88rem;
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
  border-radius: 10px;
}

input,
select {
  border: 1px solid rgba(22, 43, 56, 0.25);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  padding: 0.62rem 0.75rem;
}

button {
  border: 0;
  background: linear-gradient(110deg, var(--accent), #0ca58e);
  color: #fff;
  font-weight: 700;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.btn-muted {
  background: linear-gradient(110deg, #6f7f8a, #8ea0ab);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(240, 138, 36, 0.5);
  outline-offset: 1px;
}

.status-box {
  min-height: 48px;
  border: 1px solid rgba(22, 43, 56, 0.2);
  border-radius: 10px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.8);
  color: var(--muted);
}

.table-wrap {
  margin-top: 0.8rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  border-bottom: 1px solid rgba(22, 43, 56, 0.12);
  text-align: left;
  padding: 0.5rem 0.45rem;
}

th {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.actions--secondary {
  margin-bottom: 0.75rem;
}

.actions button:nth-child(2) {
  background: linear-gradient(110deg, #1c6d98, #258ec8);
}

.actions button:nth-child(3) {
  background: linear-gradient(110deg, #8d5f00, #c98500);
}

.section-note {
  margin: 0.6rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.question-list,
.answer-list {
  display: grid;
  gap: 0.75rem;
}

.question-card,
.answer-card,
.recommendation-item {
  border: 1px solid rgba(22, 43, 56, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  padding: 0.75rem;
}

.question-card__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
}

.question-card__meta,
.answer-card__title {
  margin: 0.2rem 0;
  font-weight: 700;
  font-size: 0.92rem;
}

.question-card__statement,
.answer-card__statement {
  margin: 0.35rem 0 0.55rem;
  line-height: 1.45;
}

.question-card__alternatives,
.answer-card__alternatives {
  margin: 0 0 0.5rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.question-card__alternatives li,
.answer-card__alternatives li {
  margin: 0.2rem 0;
}

.question-card__key,
.answer-card__key {
  margin: 0.35rem 0 0;
  font-size: 0.86rem;
  color: #114b3b;
}

.answer-card__header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.answer-card__entry {
  display: grid;
  gap: 0.45rem;
}

.answer-card__quick-options {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.answer-option-btn {
  padding: 0.35rem 0.55rem;
  min-width: 40px;
  background: linear-gradient(110deg, #155f84, #1f7eaf);
}

.result-pill {
  display: inline-block;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
}

.result-pill--correct {
  background: rgba(11, 141, 116, 0.18);
  color: #0c5d4b;
}

.result-pill--wrong {
  background: rgba(176, 0, 32, 0.12);
  color: #7d1024;
}

.answer-card--correct {
  border-color: rgba(11, 141, 116, 0.35);
}

.answer-card--wrong {
  border-color: rgba(176, 0, 32, 0.35);
}

.recommendation-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.recommendation-item__title {
  margin: 0;
  font-weight: 700;
}

.recommendation-item__detail {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.empty-state {
  margin: 0;
  border: 1px dashed rgba(22, 43, 56, 0.28);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  padding: 0.75rem;
}

.footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.flash-message {
  font-weight: 600;
}

.flash-message[data-error="1"] {
  color: var(--danger);
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-bottom: 0.4rem;
  }
}