:root {
  --bg-1: #0b1020;
  --bg-2: #131b35;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.16);
  --text: #ecf1ff;
  --muted: #b4bfdc;
  --accent: #66d9ef;
  --accent-2: #9d7bff;
  --ok: #16a34a;
  --bad: #ef4444;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-1), var(--bg-2));
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

.container {
  width: min(1240px, 95vw);
  margin: 20px auto 36px;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
}

.hero {
  padding: 20px;
}

.hero-head {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: flex-start;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 3vw, 2.3rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.hero-meta span,
.meta-chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 0.86rem;
}

.favorite-filter-btn {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.favorite-filter-btn.is-active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #08101e;
  border-color: transparent;
  font-weight: 700;
}

.tabs {
  margin-top: 12px;
  padding: 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
}

.tab-btn.is-active {
  border-color: transparent;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  color: #061120;
  font-weight: 700;
}

.tab-section {
  display: none;
}

.tab-section.is-active {
  display: block;
}

.controls {
  margin-top: 12px;
  padding: 16px;
  position: sticky;
  top: 10px;
  z-index: 5;
}

.search-wrap input,
.quiz-typed input,
input[type="number"],
input[type="time"] {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(3, 8, 20, 0.45);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}

.search-wrap input:focus,
.quiz-typed input:focus,
input[type="number"]:focus,
input[type="time"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 217, 239, 0.2);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.theme-packages {
  margin-top: 10px;
}

.theme-packages .tiny-note {
  margin: 0 0 8px;
}

.theme-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.theme-chip {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 7px 12px;
  cursor: pointer;
}

.theme-chip.is-active {
  border-color: transparent;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  color: #061120;
  font-weight: 700;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 8px 12px;
  cursor: pointer;
}

.chip.is-active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #08101e;
  border-color: transparent;
  font-weight: 700;
}

.control-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.control-row label,
.quiz-settings label,
.daily-controls label,
.reminder-controls label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

select {
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 10px;
  background: rgba(3, 8, 20, 0.45);
  color: var(--text);
  padding: 8px 10px;
}

.checkbox {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
}

.checkbox input {
  accent-color: var(--accent);
}

.action-btn,
.ghost-btn,
.danger-btn,
.success-btn {
  border-radius: 10px;
  padding: 9px 12px;
  cursor: pointer;
  border: 1px solid transparent;
}

.action-btn {
  border: 0;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  color: #051020;
  font-weight: 700;
}

.ghost-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.danger-btn {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.45);
  color: #ffd1d1;
}

.success-btn {
  background: rgba(22, 163, 74, 0.2);
  border-color: rgba(22, 163, 74, 0.45);
  color: #c8ffd8;
}

.cards {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 12px;
}

.word-card {
  perspective: 1200px;
  min-height: 350px;
}

.card-inner {
  position: relative;
  width: 100%;
  min-height: 350px;
  transform-style: preserve-3d;
  transition: transform 0.55s ease;
}

.word-card.is-flipped .card-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-back {
  transform: rotateY(180deg);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.78rem;
  font-weight: 700;
}

.badge.level-a1 {
  background: rgba(34, 197, 94, 0.2);
  color: #b6ffd0;
}

.badge.level-a2 {
  background: rgba(16, 185, 129, 0.2);
  color: #b8ffe6;
}

.badge.level-b1 {
  background: rgba(245, 158, 11, 0.22);
  color: #ffe6b3;
}

.badge.level-b2 {
  background: rgba(239, 68, 68, 0.2);
  color: #ffd0d0;
}

.favorite-btn,
.speak-btn {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
}

.favorite-btn.is-fav {
  color: #ffd95c;
  border-color: rgba(255, 217, 92, 0.5);
}

.word {
  margin: 4px 0 0;
  font-size: 1.2rem;
  line-height: 1.28;
}

.ipa {
  margin: 0;
  font-size: 0.88rem;
  color: #a9d8ff;
}

.pos,
.secondary {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.theme-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.theme-tag {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  font-size: 0.76rem;
  color: #d5dcf5;
}

.translation {
  margin: 2px 0 0;
  font-size: 1.02rem;
  line-height: 1.35;
}

.example-box {
  margin-top: 6px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.example-title {
  margin: 0 0 5px;
  font-size: 0.78rem;
  color: #bad4ff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.example-en,
.example-az {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--muted);
}

.example-az {
  margin-top: 4px;
}

.hint {
  margin: auto 0 0;
  color: #9fb0db;
  font-size: 0.78rem;
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.speak-group {
  display: flex;
  gap: 6px;
}

.pagination {
  margin-top: 14px;
  padding: 10px;
  display: flex;
  justify-content: center;
  gap: 12px;
  align-items: center;
}

.pagination button {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

.pagination button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.quiz-layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 12px;
}

.quiz-settings,
.quiz-card {
  padding: 16px;
}

.quiz-settings h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.quiz-settings label {
  margin-bottom: 10px;
}

.quiz-setting-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mini-stats p {
  margin: 8px 0 0;
  color: var(--muted);
}

.tiny-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: #9fb0db;
}

.quiz-card {
  min-height: 420px;
  touch-action: pan-y;
}

.quiz-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.quiz-prompt {
  margin: 8px 0 0;
  font-size: clamp(1.2rem, 2.8vw, 1.9rem);
}

.quiz-ipa {
  margin: 6px 0 0;
  color: #a9d8ff;
}

.quiz-audio {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.pronunciation-box {
  margin-top: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.pronunciation-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.pron-score-badge {
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--muted);
}

.pron-score-badge.good {
  background: rgba(22, 163, 74, 0.2);
  border-color: rgba(22, 163, 74, 0.4);
  color: #c8ffd8;
}

.pron-score-badge.mid {
  background: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.4);
  color: #ffe5bf;
}

.pron-score-badge.bad {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ffd0d0;
}

.pron-status,
.pron-heard {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.quiz-choices {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.choice-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  text-align: left;
  cursor: pointer;
}

.choice-btn.is-correct {
  border-color: rgba(22, 163, 74, 0.45);
  background: rgba(22, 163, 74, 0.22);
}

.choice-btn.is-wrong {
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.22);
}

.quiz-typed {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.quiz-sentence {
  margin-top: 12px;
}

.sentence-built,
.sentence-bank {
  min-height: 54px;
  border-radius: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.sentence-built {
  margin-bottom: 8px;
}

.sentence-token {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.88rem;
}

.sentence-token.from-built {
  border-color: rgba(102, 217, 239, 0.45);
  background: rgba(102, 217, 239, 0.16);
}

.sentence-placeholder {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.sentence-actions {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quiz-answer-box {
  margin-top: 12px;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.quiz-answer-box p {
  margin: 5px 0;
  color: var(--muted);
}

.quiz-feedback {
  min-height: 24px;
  margin-top: 10px;
  font-weight: 600;
}

.quiz-feedback.ok {
  color: #b8ffd1;
}

.quiz-feedback.bad {
  color: #ffd0d0;
}

.quiz-result-actions {
  margin-top: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.progress-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 12px;
}

.progress-card {
  padding: 16px;
}

.progress-card h2 {
  margin: 0 0 12px;
  font-size: 1.08rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
}

.stat-grid.compact {
  grid-template-columns: repeat(2, minmax(100px, 1fr));
}

.stat-grid div {
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.big {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-grid small {
  color: var(--muted);
}

.daily-controls,
.reminder-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.progress-bar {
  margin-top: 8px;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}

.progress-bar > div {
  height: 100%;
  width: 0%;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  transition: width 0.25s ease;
}

.badge-list {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.game-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.84rem;
}

.grammar-card .tiny-note {
  margin-top: 0;
}

.weak-theme-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 12px;
}

.weak-theme-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(45, 212, 191, 0.16);
  border: 1px solid rgba(45, 212, 191, 0.36);
}

.grammar-lessons {
  display: grid;
  gap: 10px;
}

.grammar-lesson-item {
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.grammar-lesson-theme {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.grammar-lesson-item h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
}

.grammar-lesson-item p {
  margin: 5px 0;
}

.grammar-lesson-example {
  color: var(--muted);
}

.grammar-lesson-tip {
  font-size: 0.84rem;
}

.tense-lesson-item {
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
}

.tense-title {
  color: var(--accent);
  font-size: 1.1rem !important;
  margin-bottom: 8px !important;
}

.tense-explain {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 12px !important;
  color: #e2e8f0;
}

.tense-example-box {
  background: rgba(0, 0, 0, 0.2);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.tense-example-box p {
  margin: 4px 0 !important;
  font-size: 0.9rem;
}

.tense-tip {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #bae6fd;
}

.tense-tip span {
  font-family: monospace;
  font-size: 0.9rem;
}

.tense-structures {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tense-structures p {
  margin: 0 !important;
  font-family: monospace;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 4px;
}

.structure-positive {
  background: rgba(34, 197, 94, 0.1);
  color: #86efac;
}

.structure-negative {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
}

.structure-question {
  background: rgba(56, 189, 248, 0.1);
  color: #7dd3fc;
}

.struct-icon {
  font-size: 0.85rem;
  opacity: 0.8;
}

.tense-footer {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-top: 8px;
}

.tense-footer .tense-tip {
  background: rgba(168, 85, 247, 0.15);
  border-color: rgba(168, 85, 247, 0.3);
  color: #d8b4fe;
}

.grammar-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.mistakes-header {
  margin-top: 14px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.mistakes-header h2 {
  margin: 0;
}

.mistake-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mistake-mode-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(250px, 1fr));
  gap: 10px;
}

.mistake-mode-panel {
  padding: 12px;
}

.mistake-mode-panel h3 {
  margin: 0 0 10px;
  font-size: 0.98rem;
}

.mistake-mode-list {
  display: grid;
  gap: 8px;
}

.mistake-mini-item {
  border-radius: 10px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.mistake-mini-item p {
  margin: 0;
}

.mistake-mini-item .mistake-meta {
  margin-top: 2px;
}

.mistakes-subtitle {
  margin: 14px 2px 0;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.mistakes-list {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.mistake-item {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  padding: 12px;
}

.mistake-item h3 {
  margin: 0 0 6px;
}

.mistake-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.mistake-buttons {
  margin-top: 8px;
  display: flex;
  gap: 8px;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 28px 12px;
  color: var(--muted);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .quiz-layout {
    grid-template-columns: 1fr;
  }

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

  .mistake-mode-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: 96vw;
  }

  .hero-head {
    flex-direction: column;
  }

  .hero-actions {
    align-items: flex-start;
  }

  .controls {
    position: static;
  }

  .control-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .word-card,
  .card-inner {
    min-height: 300px;
  }

  .quiz-typed {
    flex-direction: column;
  }

  .mistakes-header {
    align-items: flex-start;
  }

  .mistake-actions {
    width: 100%;
  }

  .mistake-actions button {
    flex: 1;
  }
}