/* SRS – Light theme inspired by Mochi */
:root {
  --bg: #f0f0ed;
  --bg2: #ffffff;
  --bg3: #f5f5f2;
  --border: #e0e0db;
  --border2: #d0d0ca;
  --text: #1a1a1a;
  --text2: #6b6b6b;
  --text3: #9b9b9b;
  --accent: #5b7cf6;
  --accent2: #4a6ae8;
  --danger: #e05252;
  --success: #38a169;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'SF Mono', 'Fira Mono', monospace;
  --r: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 20px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 24px 16px;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.header-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.header-user {
  font-size: 0.82rem;
  color: var(--text2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: var(--r);
  border: none;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.12s, transform 0.08s, box-shadow 0.12s;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }
.btn:hover { opacity: 0.88; text-decoration: none; }

.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(91,124,246,0.3); }
.btn-secondary { background: var(--bg2); color: var(--text); border: 1px solid var(--border2); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }

.btn-sm {
  padding: 4px 10px;
  font-size: 0.78rem;
  border-radius: 5px;
  border: 1px solid var(--border2);
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  font-family: var(--font);
}
.btn-sm.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }

/* Forms */
.form-group { margin-bottom: 16px; }

label {
  display: block;
  font-size: 0.82rem;
  color: var(--text2);
  margin-bottom: 5px;
  font-weight: 500;
}

input[type=text],
input[type=password],
input[type=email],
select,
textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,124,246,0.12);
}

textarea { resize: vertical; min-height: 100px; }

/* Cards / Panels */
.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

/* Deck list */
.deck-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s;
}

.deck-row:hover { box-shadow: var(--shadow-md); }
.deck-name { font-weight: 500; font-size: 1rem; color: var(--text); text-decoration: none; }
.deck-name:hover { text-decoration: underline; }
.deck-due { font-size: 0.82rem; color: var(--accent); font-weight: 500; }

/* Card navigation - single row of 4 buttons */
.card-nav-row {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 600px;
}

.nav-btn {
  flex: 1;
  padding: 18px 8px;
  border-radius: var(--r);
  border: 1px solid var(--border2);
  background: var(--bg2);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.3rem;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
  box-shadow: var(--shadow);
}

.nav-btn:hover { background: var(--bg3); text-decoration: none; }
.nav-forgot { color: var(--danger); border-color: var(--danger); }
.nav-forgot:hover { background: #fef2f2; }
.nav-good { background: var(--accent); color: #fff; border-color: var(--accent); }
.nav-good:hover { opacity: 0.88; background: var(--accent); }

/* Review card */
.review-back { display: block; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); text-align: left; }
.review-ex { font-size: 1.5rem; font-weight: 400; color: var(--text); margin-top: 0; font-style: normal; text-align: center; }
.review-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg);
  user-select: none;
}

.review-card {
  width: 100%;
  max-width: 600px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 32px 28px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-md);
}

.review-word {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text2);
  text-align: left;
  margin-bottom: 1.2em;
}

.review-hint {
  font-size: 0.8rem;
  color: var(--text3);
  margin-bottom: 20px;
}


.review-ex-old {
  font-size: 0.95rem;
}

.review-translations {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--text);
}

.review-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.btn-forgot {
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--danger);
  padding: 8px 24px;
  font-size: 0.85rem;
  border-radius: var(--r);
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.12s;
}
.btn-forgot:hover { background: #fef2f2; }
.btn-forgot:disabled, .btn-good:disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.btn-good {
  background: var(--accent);
  color: #fff;
  padding: 8px 24px;
  font-size: 0.85rem;
  border-radius: var(--r);
  cursor: pointer;
  font-family: var(--font);
  border: none;
  transition: opacity 0.12s;
}
.btn-good:hover { opacity: 0.88; }

.review-audio-btn {
  position: absolute;
  top: 14px;
  right: 56px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text2);
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s;
}

.review-audio-btn:hover { color: var(--accent); background: #eef1fe; }

/* Review top buttons */
.review-top-btn {
  position: absolute;
  top: 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text2);
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s;
  font-family: var(--font);
}
.review-top-btn:nth-of-type(1) { right: 56px; } /* edit */
.review-top-btn:nth-of-type(2) { right: 14px; } /* ? */
.review-top-btn:hover { color: var(--accent); background: #eef1fe; }

/* Card creation */
.examples-grid { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }

.example-option {
  padding: 12px 14px;
  background: var(--bg3);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  font-size: 0.92rem;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.example-option:hover { border-color: var(--accent); background: #f0f3fe; }
.example-option.selected { border-color: var(--accent); background: #eef1fe; }
.example-num {
  font-size: 0.72rem;
  color: var(--text3);
  font-family: var(--mono);
  flex-shrink: 0;
  width: 14px;
}

/* Tables */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 0.78rem;
  color: var(--text2);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
.ex-cell { color: var(--text2); font-size: 0.83rem; max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}

.login-box { width: 100%; max-width: 360px; }
.login-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 6px; }
.login-sub { font-size: 0.85rem; color: var(--text2); margin-bottom: 28px; }

.error-msg {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--r);
  padding: 10px 14px;
  color: var(--danger);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* Shortcuts overlay */
.shortcuts-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.shortcuts-overlay.visible { display: flex; }

.shortcuts-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  min-width: 280px;
  box-shadow: var(--shadow-md);
}

.shortcuts-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-bottom: 10px;
  font-weight: 600;
}

.shortcuts-table { width: 100%; border-collapse: collapse; }
.shortcuts-table td { padding: 5px 8px; border: none; font-size: 0.88rem; }
.shortcuts-table td:first-child { width: 120px; }

kbd {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 4px;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
}

/* Page titles */
h1 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
h2 { font-size: 1rem; font-weight: 600; margin-bottom: 14px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* Loading */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-block; }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.ok { color: var(--success); font-size: 0.85rem; }

@media (max-width: 600px) {
  .review-word { font-size: 1.2rem; }
  .review-card { padding: 32px 20px; }
}

.import-result {
  padding: 24px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.import-result p { margin-bottom: 8px; }

.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-muted { color: var(--text2); font-size: 0.82rem; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }