/* Modern minimalistic style */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #fafafa;
  --bg-gradient: linear-gradient(180deg, #f8fafb 0%, #f1f4f6 50%, #dde1e4 100%);
  --surface: #fff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #F80;
  --accent-hover: #ff7b00;
  --primary: #ff7b00;
  --primary-hover: #ff9533;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-bg: #fee2e2;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --error-bg: #fee2e2;
  --success-bg: #d1fae5;
  --success-text: #065f46;
  --success: #059669;
  --success-hover: #047857;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,.04);
  --primary-contrast: #fff;
  --font: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Dark theme */
html.dark {
  --bg: #0f0f0f;
  --bg-gradient: linear-gradient(180deg, #0d0d0f 0%, #121215 50%, #141418 100%);
  --surface: #1a1a1a;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --border: #27272a;
  --accent: #F80;
  --accent-hover: #ff7b00;
  --primary: #ff7b00;
  --primary-hover: #ff9533;
  --primary-contrast: #0f0f0f;
  --danger-bg: rgba(220, 38, 38, 0.2);
  --warning-bg: rgba(245, 158, 11, 0.2);
  --warning-text: #fbbf24;
  --success-bg: #064e3b;
  --success-text: #a7f3d0;
  --success: #10b981;
  --success-hover: #34d399;
  --shadow: 0 1px 2px rgba(0,0,0,.2);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-gradient);
  min-height: 100vh;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.logo {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo:hover { color: var(--text); opacity: 0.85; }

/* Global links: accent orange (logo and buttons keep their own colors) */
a:not(.logo):not(.btn) {
  color: var(--accent);
  text-decoration: none;
}
a:not(.logo):not(.btn):hover { color: var(--accent-hover); }

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-toggle {
  display: none;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9375rem;
}

.nav-toggle:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9375rem;
}

.nav a:hover { color: var(--accent-hover); }

/* Nav dropdown (Languages) */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  padding: 0;
  background: none;
  border: none;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--text-muted);
  cursor: pointer;
}

.nav-dropdown-trigger:hover {
  color: var(--text);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin: 0.25rem 0 0;
  padding: 0.375rem 0;
  min-width: 180px;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  z-index: 100;
}

/* Mobile nav (iPhone widths) */
@media (max-width: 640px) {
  .header {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .header-left {
    flex: 1 1 auto;
    min-width: 0;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0 0.25rem;
    margin-top: 0.25rem;
    border-top: 1px solid var(--border);
  }

  .header.nav-open .nav {
    display: flex;
  }

  .nav a,
  .nav .nav-user {
    font-size: 1rem;
  }
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
}

.nav-dropdown-menu a:hover {
  background: var(--bg);
}

.nav-dropdown-divider {
  height: 1px;
  margin: 0.25rem 0;
  background: var(--border);
}

.nav-dropdown-add {
  font-weight: 500;
  color: var(--primary);
}

.nav-dropdown-add:hover {
  color: var(--primary-hover);
}

.nav-user {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

/* Main */
.main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Landing page (when not logged in) */
.landing-hero {
  text-align: center;
  padding: 3rem 0 3.5rem;
  margin: 0 -0.5rem;
}
.landing-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 0 0 1rem;
  color: var(--text);
}
.landing-hero-title em {
  font-style: normal;
  color: var(--primary);
}
.landing-hero-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}
.landing-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.landing-hero-cta .btn-large {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.landing-section {
  margin-bottom: 2.5rem;
}
.landing-h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--text);
}
.landing-lead {
  font-size: 1.0625rem;
  color: var(--text);
  margin: 0 0 0.75rem;
  line-height: 1.6;
}
.landing-body {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.65;
}
.landing-body:last-child {
  margin-bottom: 0;
}

.landing-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.landing-step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}
.landing-step-num {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-contrast);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.landing-step div {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.landing-step strong {
  color: var(--text);
}
.landing-workflow-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}
.landing-cta {
  padding-top: 0.5rem;
}
.landing-cta .landing-body {
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

/* Flashes */
.flashes {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.flash {
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.flash-flash { background: var(--surface); border: 1px solid var(--border); }
.flash-error { background: var(--error-bg); color: #991b1b; }
.flash-warning { background: var(--warning-bg); color: #92400e; }
.flash-message { background: var(--success-bg); color: var(--success-text); }

/* Lists */
.island-list, .language-list, .sentence-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.island-list li, .language-list li {
  margin-bottom: 0.5rem;
}

.island-list a, .language-list a {
  color: var(--text);
  text-decoration: none;
}

.island-list a:hover, .language-list a:hover {
  text-decoration: underline;
}

.islands-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 2rem;
}

.island-list li {
  margin-bottom: 0.75rem;
}

.island-list-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.island-list-card:hover {
  text-decoration: none;
  border-color: var(--text-muted);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.island-list-name {
  font-size: 1.125rem;
  font-weight: 500;
}

.island-list-badge {
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.island-list-empty {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
}

.islands-new {
  margin: 2.5rem 0 0;
}

/* Languages dashboard */
.languages-dashboard {
  max-width: 640px;
}

.languages-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.languages-intro {
  color: var(--text-muted);
  margin: 0 0 2rem;
  font-size: 0.9375rem;
}

.language-list-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.language-list-main {
  flex: 1;
  min-width: 120px;
}

.language-list-name {
  font-size: 1.125rem;
  font-weight: 500;
}

.language-list-code {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-left: 0.25rem;
}

.language-list-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.language-list-actions {
  flex-shrink: 0;
}

.language-list-empty {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.languages-actions {
  margin: 2rem 0 0;
}

/* Language delete confirmation – big warning */
.language-delete-confirm {
  max-width: 520px;
}

.language-delete-warning {
  border: 2px solid var(--danger);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0;
}

.language-delete-warning-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.language-delete-warning-subtitle {
  font-weight: 500;
  margin: 0 0 1rem;
  color: var(--text);
}

.language-delete-counts {
  margin: 1rem 0;
  padding-left: 1.5rem;
  font-size: 1.0625rem;
}

.language-delete-counts li {
  margin-bottom: 0.25rem;
}

.language-delete-warning-final {
  font-weight: 600;
  margin: 1rem 0 0;
  color: var(--text);
}

.language-delete-actions {
  display: flex;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.language-delete-actions .btn-danger {
  font-weight: 600;
}

.btn-large {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.sentence-list li {
  margin-bottom: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.sentence-text {
  margin-bottom: 0.5rem;
}

.sentence-translation {
  color: var(--text-muted);
  font-weight: normal;
}

.sentence-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.sentence-actions a,
.sentence-actions .btn-link {
  color: var(--text-muted);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-size: inherit;
  font-family: inherit;
}

.sentence-actions a:hover,
.sentence-actions .btn-link:hover {
  color: var(--text);
}

.sentence-actions .btn-danger {
  color: var(--danger);
  background: none;
}

.sentence-actions .btn-danger:hover {
  color: var(--danger-hover);
  background: none;
  text-decoration: underline;
}

.meta {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Forms – reusable: label on top, full-width inputs/textareas */
.form label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

/* When label wraps the control, stack label text above control */
.form label:has(input),
.form label:has(textarea),
.form label:has(select) {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin-bottom: 0;
}

.form label input,
.form label textarea,
.form label select {
  margin-top: 0.375rem;
}

.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="search"],
.form input[type="number"],
.form textarea,
.form select {
  width: 100%;
  max-width: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--text-muted);
  box-shadow: 0 0 0 3px rgba(0,0,0,.06);
}

.form textarea { min-height: 80px; resize: vertical; }

.form > * + * { margin-top: 1rem; }

/* Search form: label on top, full-width row with input + submit button */
.form.search-form .search-input-row {
  display: flex;
  gap: 0.5rem;
}
.form.search-form .search-input-row input {
  flex: 1;
  min-width: 0;
}

/* Optional wrapper for label + control as siblings (e.g. auth forms) */
.form-field {
  margin-bottom: 1rem;
}

.form-field:last-of-type {
  margin-bottom: 0;
}

/* When inside .form, use form’s child spacing instead of form-field margin */
.form .form-field {
  margin-bottom: 0;
}

.form-field label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  max-width: none;
}

/* Bulk paste mnemonics */
.bulk-mnemonics summary {
  cursor: pointer;
  font-weight: 500;
  padding: 0.5rem 0;
  user-select: none;
}
.bulk-mnemonics-inner {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  margin-top: 0.25rem;
}
.bulk-mnemonics-hint {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0 0 0.75rem 0;
}
.bulk-mnemonics-textarea {
  width: 100%;
  max-width: 560px;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  font-family: inherit;
  line-height: 1.5;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  min-height: 140px;
  resize: vertical;
  display: block;
  margin-bottom: 0.75rem;
}
.bulk-mnemonics-textarea:focus {
  outline: none;
  border-color: var(--text-muted);
  box-shadow: 0 0 0 3px rgba(0,0,0,.06);
}
.bulk-mnemonics-textarea::placeholder {
  color: var(--text-muted);
}

/* Bulk add words – reuse bulk-mnemonics textarea styles */
.bulk-words {
  margin-bottom: 1.5rem;
}
.bulk-words summary {
  cursor: pointer;
  font-weight: 500;
  padding: 0.5rem 0;
  user-select: none;
}
.bulk-words-inner {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  margin-top: 0.25rem;
}
.bulk-words-hint {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0 0 0.75rem 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: var(--shadow);
  transition: background .15s ease, color .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 2px 4px rgba(0,0,0,.08);
}

/* Disabled buttons – global style when [disabled] attribute is present */
button.btn[disabled],
input.btn[disabled],
.btn[aria-disabled="true"] {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.9;
}

/* Spin button: loading state with spinner */
button[data-spin="true"].is-spinning {
  position: relative;
  color: transparent;
  pointer-events: none;
}
button[data-spin="true"].is-spinning::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  color: var(--primary-contrast);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Dark mode toggle (fixed corner) */
.dark-mode-toggle {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 20;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background .15s ease, color .15s ease;
}
.dark-mode-toggle:hover {
  background: var(--border);
}

.btn-primary { background: var(--primary); color: var(--primary-contrast); }
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  background: var(--border);
  color: var(--text);
}
.btn-secondary:hover { background: var(--text-muted); color: var(--surface); }

.btn-small { padding: 0.25rem 0.625rem; font-size: 0.8125rem; }

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

/* Circular remove (× in circle, light red) */
.btn-remove-circle {
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 1rem;
  line-height: 1;
  font-weight: 600;
}
.btn-remove-circle:hover {
  background: var(--danger);
  color: #fff;
}

/* Auth */
.auth-card {
  max-width: 360px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.auth-title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.auth-subtitle {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-form .btn { width: 100%; margin-top: 0.5rem; padding: 0.625rem; }

.auth-divider {
  margin: 1.25rem 0 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer a { color: var(--text); text-decoration: underline; }
.auth-footer a:hover { opacity: 0.85; }

/* Islands / cards */
.island-nav { margin: 1.25rem 0; }

.island-hero {
  margin-bottom: 2rem;
}

.island-hero h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.island-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--border);
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.island-notes {
  color: var(--text);
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
}

.island-stats {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: 0 0 0.25rem;
}

.island-stats-due {
  color: var(--accent);
}

.island-flow {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: 0;
}

.island-section {
  margin-bottom: 2rem;
}

.island-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.action-grid-three {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 520px) {
  .action-grid,
  .action-grid-three {
    grid-template-columns: 1fr;
  }
}

.action-card {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.action-card:hover {
  border-color: var(--text-muted);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.action-card-title {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.action-card-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.action-card-due {
  color: var(--accent);
  font-weight: 500;
  line-height: 1.4;
}

.action-card button.action-card-button {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  text-align: left;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.action-card-danger {
  border-color: rgba(220, 38, 38, 0.25);
}

.action-card-danger:hover {
  border-color: var(--danger);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
}

.action-card-danger .action-card-title {
  color: var(--danger);
}

.action-card-danger .action-card-desc {
  color: var(--text-muted);
}

.island-nav .btn { margin-right: 0.5rem; margin-bottom: 0.5rem; }

.word-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.word-table th, .word-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.word-table th {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.word-table .word-date {
  white-space: nowrap;
  width: 1%;
}

.word-table .word-actions {
  white-space: nowrap;
  width: 1%;
}

.word-actions-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.word-actions-inner .btn-speak {
  flex-shrink: 0;
}

.word-action-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
}

.word-action-link:hover {
  color: var(--text);
  text-decoration: underline;
}

.word-action-form {
  display: inline;
}

.card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 1rem 0;
  box-shadow: var(--shadow);
}

.card .prompt { font-size: 1.0625rem; }
.card .target { margin-top: 0.75rem; color: var(--text-muted); }

/* Flip card (sentence practice) */
.flashcard-wrapper {
  perspective: 1000px;
  margin: 1rem 0;
}

.flashcard {
  position: relative;
  width: 100%;
  min-height: 320px;
  max-height: calc(100vh - 210px);
  cursor: pointer;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  min-height: 320px;
  max-height: calc(100vh - 210px);
  transition: transform 0.4s ease;
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  min-height: 320px;
  max-height: calc(100vh - 210px);
  padding: 1.5rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: none;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  box-sizing: border-box;
  flex-direction: column;
}

.flashcard-front .text,
.flashcard-back .text {
  font-size: 1.15rem;
  line-height: 1.55;
  max-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  width: 100%;
}

/* Ensure card content scrolls (flex layout + overflow) */
.flashcard-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.flashcard-back {
  transform: rotateY(180deg);
  flex-direction: column;
  justify-content: flex-start;
  padding-bottom: 1rem;
}

.flashcard-back-content {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-height: 0;
  flex: 1;
  overflow: visible;
}

.flashcard-back .text {
  font-weight: 500;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.flashcard-hint {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Practice card toolbar: delete chip — matches .btn-remove-circle / .btn-danger tokens */
.practice-kbd-action.practice-kbd-action--danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}
.practice-kbd-action.practice-kbd-action--danger:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger-hover);
}
.practice-kbd-action.practice-kbd-action--danger:focus-visible {
  outline: 2px solid var(--danger);
  outline-offset: 2px;
}
.practice-kbd-action.practice-kbd-action--danger kbd {
  color: inherit;
}

/* Reusable tooltip – use with macros/tooltip.html (position: top | bottom | left | right) */
.tooltip {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  cursor: help;
}
.tooltip__trigger {
  display: inline-flex;
  align-items: baseline;
}
.tooltip__bubble {
  visibility: hidden;
  position: absolute;
  min-width: 12rem;
  max-width: 22rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 2147483647;
  white-space: normal;
  text-align: left;
  font-weight: normal;
}
.tooltip--top .tooltip__bubble {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-0.35rem);
}
.tooltip--bottom .tooltip__bubble {
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(0.35rem);
}
.tooltip--left .tooltip__bubble {
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(-0.35rem);
}
.tooltip--right .tooltip__bubble {
  left: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(0.35rem);
}
.tooltip:hover .tooltip__bubble,
.tooltip:focus .tooltip__bubble {
  visibility: visible;
}
.tooltip:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.tooltip__label {
  display: block;
  font-size: 0.75em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-top: 0.35rem;
  margin-bottom: 0.15rem;
}
.tooltip__label:first-child {
  margin-top: 0;
}

/* Sentence hints: uses tooltip macro with chip style */
.practice-hints {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  justify-content: flex-start;
  overflow: visible;
}

/* Word example sentences (word practice card back) */
.word-example-sentences {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}
.practice-hint-title {
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}
.practice-example-sentences {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.practice-example-sentence {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
}
.practice-example-sentence .target {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}
.practice-example-sentence .native {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.95em;
}
.practice-hints .tooltip .tooltip__trigger {
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius);
  background: var(--border);
  color: var(--text);
}
.practice-hints .tooltip .reading {
  margin-left: 0.15rem;
  font-size: 0.85em;
  color: var(--text-muted);
}

/* Speak (TTS) button on practice card – easy to see, doesn’t get lost in the layout */
.flashcard-speak {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  margin-top: 0.35rem;
  padding: 0.4rem 0.65rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  font-size: 1.125rem;
  line-height: 1;
  background: var(--border);
  color: var(--text-muted);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: none;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.flashcard-speak:hover {
  background: var(--primary);
  color: var(--primary-contrast);
  transform: scale(1.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}
.flashcard-speak:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.flashcard-speak:disabled,
.flashcard-speak.is-spinning {
  opacity: 0.85;
  cursor: wait;
}
/* When speak is on its own line (e.g. sentence answer), add top margin */
.flashcard-back .text > .flashcard-speak {
  margin-left: 0;
  margin-top: 0.75rem;
}

.rate-form {
  margin: 1rem 0 0;
  padding-top: 1rem;
  flex-shrink: 0;
}

.rate-form .rate-buttons {
  border: none;
  padding: 0;
  margin: 0;
}

.rate-form .rate-legend {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.rate-form .rate-buttons-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.rate-form .rate-buttons-inner .btn { margin-right: 0; }

/* Keyboard shortcut hint on rate buttons */
.rate-form .rate-buttons-inner .btn {
  position: relative;
  padding-left: 1.9rem;
}
.btn-keyhint {
  position: absolute;
  top: 0.25rem;
  left: 0.35rem;
  font-size: 0.75rem;
  line-height: 1;
  padding: 0.15rem 0.35rem;
  border-radius: 0.4rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.55);
  color: currentColor;
  pointer-events: none;
}

/* Rate buttons: faded / solid colors using global vars */
.btn-rate-again {
  background: var(--danger-bg);
  color: var(--danger);
}
.btn-rate-again:hover { background: var(--danger); color: #fff; }

.btn-rate-hard {
  background: var(--warning-bg);
  color: var(--warning-text);
}
.btn-rate-hard:hover { background: var(--warning-text); color: var(--bg); }

.btn-rate-good {
  background: var(--success-bg);
  color: var(--success-text);
}
.btn-rate-good:hover { background: var(--success); color: #fff; }

.btn-rate-easy {
  background: var(--success);
  color: #fff;
}
.btn-rate-easy:hover { background: var(--success-hover); color: #fff; }

.side-choice { margin: 0.75rem 0; }
.side-choice .btn { margin-right: 0.5rem; margin-bottom: 0.25rem; }
.side-choice .btn-secondary {
  background: var(--border);
  color: var(--text);
}
.side-choice .btn-secondary:hover { background: var(--text-muted); color: var(--surface); }

/* Reusable paginator */
.paginator {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}
.paginator-info {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.paginator-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.paginator-link {
  color: var(--accent);
  text-decoration: none;
}
.paginator-link:hover { text-decoration: underline; }
.paginator-link-disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}
.paginator-page {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Settings layout */
.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .settings-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

.settings-sidebar {
  align-self: flex-start;
  position: sticky;
  top: 5rem;
}

.settings-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
}

.settings-subtitle {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.settings-nav-link {
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.settings-nav-link:hover {
  color: var(--text);
  background: var(--border);
}

.settings-nav-link-danger {
  color: var(--danger);
}

.settings-nav-link-danger:hover {
  background: var(--danger-bg);
}

.settings-main {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.settings-section {
  scroll-margin-top: 5rem;
}

.settings-section-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}

.settings-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.settings-card-subtitle {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.settings-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.settings-stats {
  margin-top: 0.75rem;
}

.settings-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 0.75rem;
}

.settings-stat {
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius);
  background: var(--bg);
}

.settings-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.settings-stat-value {
  font-size: 1.05rem;
  font-weight: 600;
}

.settings-profile-list {
  margin: 0 0 1rem;
}

.settings-profile-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.9375rem;
}

.settings-profile-row dt {
  color: var(--text-muted);
}

.settings-profile-row dd {
  margin: 0;
  font-weight: 500;
}

.settings-inline-form {
  margin-top: 0.5rem;
}

.settings-form .form-field + .form-field {
  margin-top: 0.75rem;
}

.settings-card-danger {
  border-color: rgba(220, 38, 38, 0.4);
}

.settings-card-danger .settings-card-subtitle {
  color: var(--danger);
}

.settings-danger-copy {
  font-size: 0.9rem;
  color: var(--warning-text);
  background: var(--warning-bg);
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius);
  margin: 0 0 0.85rem;
}

/* Reusable option group (radios with label+help) */
.option-group {
  border: none;
  padding: 0;
  margin: 0 0 0.75rem;
}

.option-group-legend {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.option-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.45rem 0;
  font-size: 0.9rem;
}

.option-row input[type="radio"],
.option-row input[type="checkbox"] {
  margin-top: 0.2rem;
}

.option-label {
  display: flex;
  flex-direction: column;
}

.option-help {
  font-size: 0.8rem;
  color: var(--text-muted);
}