/* Glossary Modal - Study Tools */
/* Minimal, non-intrusive styles for the glossary modal */
/* Uses glossary- prefix to avoid conflicts */

/* ---- Modal Container ---- */
.glossary-modal {
  position: fixed;
  inset: 0;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glossary-modal[hidden] {
  display: none;
}

/* ---- Backdrop ---- */
.glossary-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 800;
}

/* ---- Dialog Panel ---- */
.glossary-dialog {
  position: relative;
  z-index: 801;
  width: min(680px, calc(100vw - 24px));
  max-height: min(85vh, 700px);
  background: var(--bg-secondary, #0f172a);
  border: 1px solid var(--border-color, rgba(255,255,255,0.08));
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.5);
  animation: glossaryFadeIn 0.2s ease-out;
  font-family: var(--font-main, "Myanmar Text", "Pyidaungsu", system-ui, sans-serif);
}

@keyframes glossaryFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---- Header ---- */
.glossary-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.06));
  flex-shrink: 0;
}

.glossary-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--neon-cyan, #22d3ee);
}

.glossary-header p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-muted, #94a3b8);
}

.glossary-close-btn {
  background: transparent;
  border: 1px solid var(--border-color, rgba(255,255,255,0.08));
  color: var(--text-muted, #94a3b8);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}

.glossary-close-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-main, #e2e8f0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- Toolbar (search + filter) ---- */
.glossary-toolbar {
  display: flex;
  gap: 10px;
  padding: 12px 20px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.glossary-toolbar input[type="search"] {
  flex: 1;
  min-width: 180px;
  padding: 8px 12px;
  border: 1px solid var(--border-color, rgba(255,255,255,0.1));
  border-radius: 6px;
  background: var(--bg-primary, #0b1120);
  color: var(--text-main, #e2e8f0);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.glossary-toolbar input[type="search"]:focus {
  border-color: var(--neon-cyan, #22d3ee);
}

.glossary-toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--border-color, rgba(255,255,255,0.1));
  border-radius: 6px;
  background: var(--bg-primary, #0b1120);
  color: var(--text-main, #e2e8f0);
  font-size: 13px;
  cursor: pointer;
  outline: none;
}

.glossary-toolbar select:focus {
  border-color: var(--neon-cyan, #22d3ee);
}

/* ---- Count label ---- */
.glossary-count {
  padding: 0 20px 8px;
  font-size: 12px;
  color: var(--text-muted, #94a3b8);
  flex-shrink: 0;
}

/* ---- Results List ---- */
.glossary-results {
  flex: 1;
  overflow-y: auto;
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ---- Term Card ---- */
.glossary-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color, rgba(255,255,255,0.06));
  border-radius: 8px;
  padding: 14px 16px;
  transition: background 0.15s;
}

.glossary-card:hover {
  background: rgba(255,255,255,0.04);
}

.glossary-term-main {
  font-size: 16px;
  font-weight: 700;
  color: var(--neon-blue, #60a5fa);
  margin-bottom: 4px;
}

.glossary-term-en {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted, #94a3b8);
  margin-bottom: 8px;
}

.glossary-lang-row {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-main, #e2e8f0);
  margin: 2px 0;
}

.glossary-lang-label {
  font-weight: 600;
  color: var(--text-muted, #94a3b8);
  display: inline-block;
  min-width: 60px;
}

.glossary-chip {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted, #94a3b8);
  margin: 2px 5px 2px 0;
  white-space: nowrap;
}

.glossary-needs-review {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: #fbbf24;
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 600;
}

.glossary-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted, #94a3b8);
  font-size: 14px;
}

.glossary-related-btn {
  background: transparent;
  border: none;
  color: var(--neon-cyan, #22d3ee);
  font-size: 13px;
  cursor: pointer;
  padding: 2px 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.15s;
}

.glossary-related-btn:hover {
  color: var(--neon-blue, #60a5fa);
  text-decoration: none;
}

.glossary-example-block {
  margin-top: 8px;
  padding: 10px 14px;
  background: rgba(0,0,0,0.25);
  border-radius: 6px;
  font-size: 12px;
  font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
  white-space: pre-wrap;
  overflow-x: auto;
  color: #a5f3fc;
  line-height: 1.5;
  border: 1px solid rgba(255,255,255,0.04);
}

/* ---- Light theme overrides ---- */
body:not(.i18n-active) .glossary-dialog,
html:not([data-theme="dark"]) .glossary-dialog {
  background: var(--bg-secondary, #ffffff);
  border-color: var(--border-color, #e2e8f0);
}

body:not(.i18n-active) .glossary-backdrop {
  background: rgba(0,0,0,0.3);
}

/* ---- Mobile Responsive ---- */
@media (max-width: 720px) {
  .glossary-dialog {
    width: calc(100vw - 16px);
    max-height: 92vh;
    border-radius: 14px;
  }

  .glossary-header {
    padding: 12px 14px 8px;
  }

  .glossary-header h2 {
    font-size: 16px;
  }

  .glossary-toolbar {
    flex-direction: column;
    padding: 10px 14px;
    gap: 8px;
  }

  .glossary-search-wrap,
  .glossary-toolbar select {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .glossary-results {
    padding: 0 14px 12px;
  }

  .glossary-card {
    padding: 12px;
  }

  .glossary-term-main {
    font-size: 15px;
  }

  .glossary-count {
    padding: 0 14px 6px;
  }
}

@media (max-width: 420px) {
  .glossary-dialog {
    max-height: 96vh;
    border-radius: 10px;
  }

  .glossary-card {
    padding: 10px;
  }

  .glossary-term-main {
    font-size: 14px;
  }

  .glossary-lang-row {
    font-size: 12px;
  }

  .glossary-example-block {
    font-size: 11px;
  }
}

/* UX-006: Glossary search clearing button */
.glossary-search-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
  display: flex;
  align-items: center;
}

.glossary-search-wrap input[type="search"] {
  width: 100%;
  padding-right: 32px !important; /* space for X button */
}

.glossary-search-clear-btn {
  position: absolute;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted, #94a3b8);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
  padding: 0;
  margin: 0;
  height: 24px;
  width: 24px;
  z-index: 5;
}

.glossary-search-clear-btn:hover {
  color: var(--neon-cyan, #22d3ee) !important;
}