@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@500;600&display=swap');

:root {
  --ink: #1c2b33;
  --paper: #f6f4ef;
  --paper-line: #dfd9cb;
  --card-bg: #ffffff;
  --accent: #b8721f;
  --accent-soft: #f1e2c9;
  --ok: #3f6b4f;
  --ok-soft: #e2ede4;
  --muted: #6b6558;
  --note-bg: #fbf1d9;
  --note-ink: #8a5a00;
}

:root[data-theme="dark"] {
  --ink: #e9e5da;
  --paper: #171512;
  --paper-line: #35322c;
  --card-bg: #211f1b;
  --accent: #e0a45a;
  --accent-soft: #3a2f1c;
  --ok: #7ec897;
  --ok-soft: #1e2f22;
  --muted: #a29b8c;
  --note-bg: #33290f;
  --note-ink: #e0b45a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  transition: background 0.15s ease, color 0.15s ease;
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  margin: 0 0 0.4em 0;
}

a { color: var(--accent); }

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 14px;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

header.top .brand { text-decoration: none; color: var(--ink); }
header.top .brand h1 { font-size: 1.4em; margin: 0; }

.top-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.top-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95em;
}
.top-nav a.active { color: var(--ink); font-weight: 600; }
.top-nav .logout { font-size: 0.85em; }

.theme-toggle {
  background: none;
  border: 1px solid var(--paper-line);
  border-radius: 20px;
  width: 40px;
  height: 26px;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-size: 0.85em;
  margin: 0;
}
.theme-toggle .icon-sun, .theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: inline; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }

.tabs { display: flex; gap: 18px; margin-bottom: 20px; }
.tabs a {
  text-decoration: none;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.tabs a.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.entry-list { list-style: none; margin: 0; padding: 0; }

.entry {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-line);
}
.entry:hover { background: rgba(184, 114, 31, 0.08); }

.entry-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.entry-name { font-weight: 600; }
.entry-meta { color: var(--muted); font-size: 0.9em; }
.entry-caption { margin-top: 6px; color: var(--ink); }
.note-preview {
  color: var(--note-ink);
  font-size: 0.9em;
}

.badge {
  display: inline-block;
  font-size: 0.75em;
  padding: 2px 9px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}
.badge.reviewed { background: var(--ok-soft); color: var(--ok); }

.empty { color: var(--muted); padding: 40px 0; text-align: center; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 20px;
}

.field-label { font-size: 0.8em; text-transform: none; color: var(--muted); margin-bottom: 4px; }
.muted-inline { color: var(--muted); font-weight: normal; font-size: 0.95em; }

textarea, input[type=password], input[type=text], select {
  width: 100%;
  font-family: inherit;
  font-size: 1em;
  padding: 10px 12px;
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }

button {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 1em;
  cursor: pointer;
  margin-top: 10px;
}
button:hover { background: var(--accent); }

audio { width: 100%; margin: 10px 0; }

.file-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  margin-top: 6px;
}
.file-download:hover { border-color: var(--accent); color: var(--accent); }

.back-link { display: inline-block; margin-bottom: 18px; color: var(--muted); text-decoration: none; font-size: 0.9em; }

.login-box {
  max-width: 340px;
  margin: 60px auto 0;
  padding: 28px;
  background: var(--card-bg);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
}
.error { color: #d16b6b; font-size: 0.9em; margin-top: 8px; }

.feedback-block {
  background: var(--ok-soft);
  border-radius: 6px;
  padding: 16px;
  margin-top: 10px;
}
.feedback-block .field-label { color: var(--ok); }

.saved-notice {
  background: var(--ok-soft);
  color: var(--ok);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.9em;
}

.search-form {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.search-form input { flex: 1; }
.search-form button { margin-top: 0; white-space: nowrap; }

.search-notice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.9em;
  margin-bottom: 16px;
}
.clear-search { text-decoration: none; }

.hint-banner {
  background: var(--accent-soft);
  color: var(--ink);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 0.92em;
}

.file-list { display: flex; flex-direction: column; gap: 8px; }

.voice-feedback-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 6px;
}
.secondary-btn {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-line);
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.92em;
  cursor: pointer;
  margin-top: 0;
}
.secondary-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--paper); }
.voice-hint { margin: 6px 0 0; font-size: 0.85em; }
#voice-status { min-height: 1.2em; margin-top: 4px; }

.inline-form-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex: 1;
}
.inline-form-row input[type=text] { flex: 1; }
.inline-form-row button { margin-top: 0; }

.group-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}
.group-rename-form { flex: 1; }
.danger-btn {
  background: transparent;
  color: #b95555;
  border: 1px solid #b9555555;
  padding: 8px 14px;
  border-radius: 4px;
  margin-top: 0;
  cursor: pointer;
}
.danger-btn:hover { background: #b9555518; }

.students-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.group-filter select { min-width: 220px; }
.sort-links { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sort-links .field-label { margin-bottom: 0; }
.sort-links a { text-decoration: none; color: var(--muted); font-size: 0.9em; }
.sort-links a.active { color: var(--accent); font-weight: 600; }