@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600;700&family=Work+Sans:wght@300;400;600&display=swap");

:root {
  --bg: #f4efe6;
  --bg-2: #f0e0c6;
  --ink: #1f1b16;
  --muted: #5b534a;
  --accent: #c04b2d;
  --accent-2: #2a6f6a;
  --card: #fffaf2;
  --border: #e0d4c1;
  --shadow: rgba(31, 27, 22, 0.1);
  --content-max: 1240px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Work Sans", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff4e1 0%, transparent 50%),
    radial-gradient(circle at bottom right, #fde6cf 0%, transparent 45%),
    linear-gradient(120deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  line-height: 1.45;
}

header {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 40px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

header h1 {
  font-family: "Fraunces", serif;
  font-size: 32px;
  margin: 0;
}

header p {
  margin: 6px 0 0;
  color: var(--muted);
}

main {
  display: grid;
  grid-template-columns: minmax(250px, 310px) minmax(0, 1fr);
  gap: 24px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 40px 56px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 16px 40px var(--shadow);
}

.lesson-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.lesson-item {
  border: 1px solid transparent;
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: border 0.2s ease, transform 0.2s ease;
  min-height: 72px;
}

.lesson-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.lesson-item.active {
  border-color: var(--accent-2);
  background: #f7f1e7;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #f2d7b7;
  color: #6a3b20;
}

.badge.status-pending {
  background: #fff5dd;
  color: #7a5400;
}

.badge.status-reviewed {
  background: #e5f7eb;
  color: #1f6a3d;
}

.lesson-content h2 {
  font-family: "Fraunces", serif;
  font-size: 28px;
  margin-top: 0;
}

.lesson-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.lesson-columns .column {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  min-width: 0;
}

.game-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0 14px;
}

.pill {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 10px;
  font-size: 12px;
}

.exercise {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 16px;
}

.exercise h4 {
  margin: 0 0 8px;
}

.exercise .options {
  display: grid;
  gap: 6px;
}

.challenge {
  border: 1px dashed var(--accent-2);
  border-radius: 12px;
  padding: 14px;
  background: #fffbf4;
}

.challenge-form {
  margin-top: 12px;
}

.challenge-form .top-actions {
  margin-top: 10px;
}

.verbs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}

.verb-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
}

.success {
  color: #146d39;
}

.danger {
  color: #9a1f1f;
}

.feedback-box {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
}

.feedback-box::before {
  content: "Info";
  display: inline-block;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-right: 8px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #ece6db;
  color: #4b4238;
}

.feedback-success {
  border-color: #1f8a4c;
  background: #eefaf2;
  color: #145730;
}

.feedback-success::before {
  content: "Correct";
  background: #1f8a4c;
  color: #fff;
}

.feedback-danger {
  border-color: #b93b3b;
  background: #fff0f0;
  color: #7f2020;
}

.feedback-danger::before {
  content: "Incorrect";
  background: #b93b3b;
  color: #fff;
}

input,
textarea,
select,
button {
  font-family: inherit;
  font-size: 15px;
}

input,
textarea,
select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  min-height: 44px;
}

button {
  padding: 11px 14px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  min-height: 44px;
}

button.secondary {
  background: var(--accent-2);
}

.top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

.notifications-panel {
  max-width: var(--content-max);
  margin: 0 auto 20px;
}

.notification-card {
  padding: 14px;
}

.review-list {
  margin: 8px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.review-list li {
  list-style: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  background: #fff;
}

.review-list li.review-good {
  border-color: #1f8a4c;
  background: #eefaf2;
  color: #145730;
}

.review-list li.review-bad {
  border-color: #b93b3b;
  background: #fff0f0;
  color: #7f2020;
}

.review-list li.review-neutral {
  border-color: var(--border);
  background: #faf7f1;
}

#reviewDetails {
  min-height: 80px;
}

#reviewDetails .panel {
  box-shadow: none;
  padding: 14px;
}

#reviewDetails .review-item input[type="text"] {
  margin-top: 8px;
}

footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 12px 40px 40px;
  color: var(--muted);
}

@media (max-width: 1150px) {
  header,
  main,
  footer {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 16px;
  }

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

  header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 20px;
    padding-bottom: 8px;
  }

  header h1 {
    font-size: 28px;
  }

  .panel {
    padding: 16px;
    border-radius: 14px;
  }

  .verbs-grid {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }
}

@media (max-width: 560px) {
  header,
  main,
  footer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .top-actions {
    width: 100%;
    gap: 8px;
  }

  .top-actions > * {
    flex: 1 1 auto;
  }

  .top-actions a.small {
    display: inline-block;
    text-align: center;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    text-decoration: none;
  }

  .pill {
    font-size: 11px;
    padding: 5px 8px;
  }

  .exercise h4 {
    font-size: 16px;
  }

  .challenge {
    padding: 12px;
  }
}

body.admin-page main {
  grid-template-columns: 1fr;
}

.admin-manage-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(380px, 1.25fr);
  gap: 20px;
  align-items: start;
  width: 100%;
}

.admin-manage-layout > .panel {
  position: relative;
  z-index: 0;
}

.admin-page .panel h3 {
  margin-top: 0;
  font-size: 22px;
  font-family: "Fraunces", serif;
  letter-spacing: 0.01em;
}

.admin-page .lesson-list {
  max-height: 300px;
  overflow: auto;
  padding-right: 4px;
}

.admin-page .lesson-item {
  border: 1px solid #e7dccb;
  background: linear-gradient(180deg, #fffdf9 0%, #fff8ee 100%);
  transform: none;
}

.admin-page .lesson-item:hover {
  transform: none;
}

.admin-page .lesson-item h4 {
  margin: 6px 0 4px;
}

.admin-page form {
  display: grid;
  gap: 10px;
}

.admin-page .panel {
  border-radius: 20px;
  border: 1px solid #e4d8c7;
  box-shadow: 0 14px 35px rgba(31, 27, 22, 0.08);
  min-width: 0;
}

.admin-page #adminNav .top-actions {
  justify-content: flex-start;
}

.admin-page #adminNav button {
  min-width: 210px;
}

.admin-page input,
.admin-page textarea,
.admin-page select {
  background: #fff;
  border-color: #d9ccb8;
}

.admin-page textarea {
  resize: vertical;
}

.admin-page .exercise {
  background: #fff;
  border: 1px solid #ebdfcc;
  border-radius: 14px;
  padding: 14px;
}

.admin-page .exercise h4 {
  margin: 0 0 8px;
}

.admin-page #reviewPanel .lesson-item {
  border-left: 4px solid #dcc5a0;
}

.admin-page textarea#aiDraftOutput {
  min-height: 170px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
}

.admin-page #reviewPanel .top-actions {
  margin-bottom: 8px;
}

.admin-page #reviewForm {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #eadfcd;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 10px 12px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  margin-top: 4px;
}

.voice-btn {
  margin-top: 8px;
}

body.admin-page.admin-dark {
  --bg: #151618;
  --bg-2: #1e2023;
  --ink: #f0efe9;
  --muted: #bbb4a9;
  --card: #22262b;
  --border: #343b44;
  --shadow: rgba(0, 0, 0, 0.4);
}

body.admin-page.admin-dark .lesson-item,
body.admin-page.admin-dark .exercise,
body.admin-page.admin-dark input,
body.admin-page.admin-dark textarea,
body.admin-page.admin-dark select {
  background: #1a1f24;
  color: var(--ink);
  border-color: #3a424c;
}

body.admin-page.admin-dark .small {
  color: #c7c0b6;
}

@media (max-width: 1100px) {
  .admin-manage-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .admin-page .panel {
    border-radius: 14px;
    padding: 14px;
  }

  .admin-page #adminNav button {
    min-width: 0;
    width: 100%;
  }

  .admin-page .lesson-list {
    max-height: 220px;
  }
}
}