:root {
  --saffron: #e07a2f;
  --saffron-deep: #c45f18;
  --cream: #f7f0e4;
  --cream-dark: #ebe1d0;
  --green: #1f5c42;
  --green-deep: #143d2c;
  --ink: #1c1814;
  --muted: #5c534a;
  --white: #fffdf8;
  --danger: #b42318;
  --shadow: 0 12px 32px rgba(28, 24, 20, 0.12);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse at top left, rgba(224, 122, 47, 0.18), transparent 45%),
    radial-gradient(ellipse at bottom right, rgba(31, 92, 66, 0.14), transparent 40%),
    linear-gradient(165deg, #fbf6ec 0%, #f0e6d4 50%, #e8dcc8 100%);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.35em;
}

p { margin: 0 0 0.75em; }

.brand-mark {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--saffron-deep);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  font: 600 1rem var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--saffron);
  color: white;
  box-shadow: 0 6px 18px rgba(224, 122, 47, 0.35);
}

.btn-primary:hover:not(:disabled) {
  background: var(--saffron-deep);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--green-deep);
  border: 1px solid var(--cream-dark);
}

.btn-danger {
  background: #fde8e6;
  color: var(--danger);
}

.form-errors {
  color: var(--danger);
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
  font-size: 0.95rem;
}

.flash-wrap { padding: 0.75rem 1rem 0; }
.flash {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  margin-bottom: 0.5rem;
  background: #e8f5ee;
  color: var(--green-deep);
}
.flash-error, .flash-error { background: #fde8e6; color: var(--danger); }

/* Login */
.page-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-shell {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
}

.login-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--green-deep);
}

.login-card {
  background: var(--white);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.login-card label {
  font-weight: 600;
  font-size: 0.9rem;
}

.pin-input,
.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--cream-dark);
  border-radius: 12px;
  font-size: 1.1rem;
  background: var(--cream);
  color: var(--ink);
}

.pin-input {
  text-align: center;
  font-size: 2rem;
  letter-spacing: 0.4em;
  font-weight: 700;
}

.pin-input:focus,
.form-control:focus {
  outline: none;
  border-color: var(--saffron);
  background: white;
}

/* Quiz */
.page-quiz {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.quiz-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  padding: 1.25rem 1.5rem 0.5rem;
}

.quiz-top h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--green-deep);
}

.quiz-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  color: var(--muted);
  font-weight: 600;
}

.quiz-board {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding: 1rem 1.5rem;
}

.images-pool,
.years-pool {
  background: rgba(255, 253, 248, 0.7);
  border: 1px solid rgba(28, 24, 20, 0.08);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: 420px;
}

.images-pool h2,
.years-pool h2 {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.images-grid,
.years-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.85rem;
}

.drag-image {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(28, 24, 20, 0.1);
  cursor: grab;
  touch-action: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  aspect-ratio: 1;
  user-select: none;
}

.drag-image:active { cursor: grabbing; }

.drag-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.drag-image.dragging {
  opacity: 0.45;
  transform: scale(0.96);
}

.drag-image.placed-ghost {
  opacity: 0.25;
  pointer-events: none;
}

.year-card {
  background: linear-gradient(160deg, #fff 0%, #f6efe3 100%);
  border: 2px dashed rgba(31, 92, 66, 0.35);
  border-radius: 12px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.year-card.drag-over {
  border-color: var(--saffron);
  background: #fff6eb;
  transform: translateY(-2px);
}

.year-card.filled {
  border-style: solid;
  border-color: var(--green);
}

.year-label {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  padding: 0.55rem 0.4rem 0.2rem;
  color: var(--green-deep);
}

.drop-zone {
  flex: 1;
  margin: 0.35rem;
  border-radius: 8px;
  min-height: 80px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.drop-zone .drag-image {
  width: 100%;
  height: 100%;
  margin: 0;
  box-shadow: none;
  aspect-ratio: auto;
}

.quiz-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem 1.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}

/* Result */
.page-result {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.result-shell {
  text-align: center;
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  width: min(420px, 100%);
  animation: rise 0.5s ease;
}

.result-shell h1 { color: var(--green-deep); }

.score-ring {
  margin: 1.5rem auto 0.5rem;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, var(--white) 58%, transparent 59%),
    conic-gradient(var(--saffron) 0deg, var(--green) 360deg);
  animation: pop 0.55s ease 0.1s both;
}

.score-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--green-deep);
  line-height: 1;
}

.score-den {
  font-size: 1.2rem;
  color: var(--muted);
  margin-left: 0.15rem;
}

.score-caption {
  color: var(--muted);
  font-weight: 600;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pop {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Staff */
.staff-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.staff-nav {
  background: var(--green-deep);
  color: #f3eee4;
  padding: 1.5rem 1.1rem;
}

.staff-nav .brand-mark { color: #f0b27a; }
.staff-nav h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: white;
}

.staff-nav nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.staff-nav a {
  color: #d9d0c2;
  text-decoration: none;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  font-weight: 600;
}

.staff-nav a:hover,
.staff-nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.staff-main {
  padding: 1.5rem 1.75rem 2.5rem;
}

.staff-header { margin-bottom: 1.25rem; }
.staff-header h1 { color: var(--green-deep); }
.staff-header p { color: var(--muted); }
.row-between {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--saffron-deep);
}

.stat-label { color: var(--muted); font-weight: 600; }

.staff-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.filter-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--cream-dark);
}

.data-table th {
  background: var(--cream);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.question-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.question-card {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1rem;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius);
  padding: 0.85rem;
  box-shadow: var(--shadow);
}

.question-thumb {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--cream);
}

.question-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.question-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.staff-form {
  max-width: 480px;
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-preview img {
  max-width: 200px;
  border-radius: 10px;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
}

.help { color: var(--muted); font-size: 0.85rem; margin: 0.25rem 0 0; }

@media (max-width: 860px) {
  .login-shell,
  .quiz-board,
  .staff-layout {
    grid-template-columns: 1fr;
  }

  .staff-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
  }

  .staff-nav nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .quiz-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-meta { align-items: flex-start; }

  .question-card {
    grid-template-columns: 80px 1fr;
  }

  .question-actions {
    grid-column: 1 / -1;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }
}