:root {
  --ink: #1a2330;
  --ink-soft: #4a5b6a;
  --paper: #eef1f4;
  --paper-2: #e4f0e8;
  --band: #1e4d7b;
  --band-deep: #163a5f;
  --accent: #2a6f97;
  --accent-hover: #1f5a7a;
  --ok: #1f7a4c;
  --ok-bg: #dff3e7;
  --partial: #8a6d1f;
  --partial-bg: #eef2e6;
  --bad: #a33b32;
  --bad-bg: #f0e6e4;
  --line: rgba(30, 77, 123, 0.14);
  --shadow: 0 18px 50px rgba(22, 58, 95, 0.12);
  --radius: 1.1rem;
  --font-display: "Outfit", "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", "Outfit", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, rgba(30, 77, 123, 0.16), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(61, 140, 100, 0.14), transparent 52%),
    linear-gradient(165deg, var(--paper) 0%, var(--paper-2) 48%, #e8ecf0 100%);
  background-attachment: fixed;
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  position: relative;
  z-index: 60;
  background: linear-gradient(135deg, var(--band) 0%, var(--band-deep) 100%);
  color: #f5f2ea;
  box-shadow: 0 10px 30px rgba(22, 58, 95, 0.25);
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.45rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  color: rgba(245, 242, 234, 0.78);
  font-size: 0.98rem;
}

.score-panel {
  min-width: 6.5rem;
}

.score-panel-life {
  padding-left: 0.75rem;
  border-left: 1px solid rgba(245, 242, 234, 0.18);
}

.scores-wrap {
  max-width: 100%;
}

.score-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 242, 234, 0.65);
}

.score-nums {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.25;
}

.score-sep {
  opacity: 0.65;
  margin: 0 0.12rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.score-sep-dot {
  opacity: 0.45;
  margin: 0 0.25rem;
}

.score-pct-row {
  font-size: 0.88rem;
  color: rgba(245, 242, 234, 0.88);
  margin-top: 0.15rem;
}

.score-pct-row #score-pct {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.score-streak {
  font-size: 0.85rem;
  color: rgba(245, 242, 234, 0.75);
}

.controls-panel,
.quiz-stage {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.controls-panel {
  padding: 0.65rem 1.15rem 1.15rem;
  margin-top: 0;
  position: relative;
  z-index: 1;
}

.main-quiz,
.verbs-page {
  padding-top: 1rem;
}

.quiz-challenge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.65rem 0.85rem;
}

.quiz-cell {
  flex: 1 1 11rem;
  min-width: min(100%, 9.5rem);
  max-width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 0.75rem;
  background: rgba(30, 77, 123, 0.06);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.quiz-answer-slot {
  background: rgba(255, 255, 255, 0.9);
}

.quiz-answer-slot.is-correct {
  background: var(--ok-bg);
  border-color: rgba(31, 122, 76, 0.35);
}

.quiz-answer-slot.is-partial {
  background: var(--partial-bg);
  border-color: rgba(138, 109, 31, 0.35);
}

.quiz-answer-slot.is-wrong {
  background: var(--ok-bg);
  border-color: rgba(31, 122, 76, 0.3);
}

.quiz-wrong-side {
  background: var(--bad-bg);
  border-color: rgba(163, 59, 50, 0.3);
}

.correct-answer-display {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--band-deep);
  word-break: break-word;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
}

.wrong-answer-display {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--bad);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  word-break: break-word;
}

.result-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-top: 0.25rem;
}

.result-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 0.25rem;
}

.quiz-challenge-sep {
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink-soft);
  opacity: 0.7;
  line-height: 1;
}

.quiz-actions {
  width: 100%;
}

.skip-indicator {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bad);
  padding: 0.35rem 0.65rem;
  border-radius: 0.45rem;
  background: var(--bad-bg);
  border: 1px solid rgba(163, 59, 50, 0.25);
}

.prompt-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--band-deep);
  word-break: break-word;
}

@media (max-width: 575.98px) {
  .quiz-challenge-sep {
    display: none;
  }

  .quiz-cell {
    flex: 1 1 100%;
  }
}

.controls-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  min-height: 2.5rem;
}

.controls-toggle {
  --bs-btn-color: var(--band);
  --bs-btn-hover-color: var(--band-deep);
  text-decoration: none !important;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0 !important;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.controls-toggle:focus-visible {
  box-shadow: none;
  outline: 2px solid rgba(15, 61, 54, 0.35);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

.controls-chevron {
  font-size: 0.85rem;
  opacity: 0.75;
}

.controls-summary {
  font-size: 0.9rem;
  color: var(--ink-soft);
  flex: 1 1 12rem;
}

.controls-panel.is-collapsed {
  padding-bottom: 0.65rem;
}

.controls-panel.is-collapsed .controls-body {
  display: none;
}

.controls-body {
  padding-top: 0.35rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.form-select,
.form-control {
  border-color: rgba(30, 77, 123, 0.18);
  background-color: #f8fafb;
  color: var(--ink);
}

.form-select:focus,
.form-control:focus {
  border-color: var(--band);
  box-shadow: 0 0 0 0.2rem rgba(30, 77, 123, 0.15);
}

.deck-stats {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.quiz-stage {
  padding: 1.5rem 1.35rem 1.6rem;
  animation: rise-in 0.35s ease both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.quiz-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.level-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--band);
  background: rgba(15, 61, 54, 0.1);
  border-radius: 0.4rem;
  padding: 0.28rem 0.55rem;
}

.level-badge.is-b {
  color: var(--accent);
  background: rgba(196, 92, 38, 0.12);
}

.meta-soft {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.prompt-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.prompt-hint {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.answer-input {
  font-size: 1.15rem !important;
  padding: 0.85rem 1rem !important;
  border-radius: 0.75rem !important;
}

.btn {
  border-radius: 0.7rem;
  font-weight: 600;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-hover);
  --bs-btn-hover-border-color: var(--accent-hover);
  --bs-btn-active-bg: var(--accent-hover);
  --bs-btn-active-border-color: var(--accent-hover);
}

.btn-outline-primary {
  --bs-btn-color: var(--band);
  --bs-btn-border-color: rgba(15, 61, 54, 0.35);
  --bs-btn-hover-bg: rgba(15, 61, 54, 0.1);
  --bs-btn-hover-border-color: var(--band);
  --bs-btn-hover-color: var(--band);
}

.btn-success {
  --bs-btn-bg: var(--ok);
  --bs-btn-border-color: var(--ok);
  --bs-btn-hover-bg: #18663f;
  --bs-btn-hover-border-color: #18663f;
}

.btn-outline-secondary {
  --bs-btn-color: var(--ink-soft);
  --bs-btn-border-color: rgba(15, 61, 54, 0.25);
  --bs-btn-hover-bg: rgba(15, 61, 54, 0.08);
  --bs-btn-hover-border-color: rgba(15, 61, 54, 0.35);
  --bs-btn-hover-color: var(--ink);
}

.feedback {
  border-radius: 0.85rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid transparent;
  animation: rise-in 0.28s ease both;
}

.feedback.is-correct {
  background: var(--ok-bg);
  border-color: rgba(31, 122, 76, 0.2);
  color: #145536;
}

.feedback.is-partial {
  background: var(--partial-bg);
  border-color: rgba(154, 107, 18, 0.25);
  color: #6d4b0c;
}

.feedback.is-wrong {
  background: var(--bad-bg);
  border-color: rgba(163, 59, 50, 0.18);
  color: #7a2c26;
}

.feedback-status {
  font-weight: 700;
  font-size: 1.05rem;
}

.feedback-detail {
  font-size: 0.98rem;
  opacity: 0.95;
}

.tips {
  color: var(--ink-soft);
  font-size: 0.9rem;
  max-width: 42rem;
}

@media (min-width: 768px) {
  .controls-panel {
    margin-top: 0;
    padding: 0.75rem 1.5rem 1.4rem;
  }

  .controls-panel.is-collapsed {
    padding-bottom: 0.75rem;
  }

  .main-quiz,
  .verbs-page {
    padding-top: 1.25rem;
  }

  .quiz-stage {
    padding: 1.85rem 1.75rem 1.9rem;
  }
}

/* —— Site menu (hamburger) —— */
.site-nav {
  position: relative;
  flex-shrink: 0;
  z-index: 40;
}

.app-header-slim {
  min-height: 3.25rem;
  display: flex;
  align-items: center;
}

.app-header-slim .container {
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}

.app-shell-with-footer {
  padding-bottom: 0;
}

.pb-footer {
  padding-bottom: 5.5rem;
}

/* Sticky score footer */
.sticky-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: linear-gradient(135deg, var(--band) 0%, var(--band-deep) 100%);
  color: #f5f2ea;
  border-top: 1px solid rgba(245, 242, 234, 0.12);
  box-shadow: 0 -8px 28px rgba(10, 44, 39, 0.22);
  padding: 0.65rem 0;
}

.footer-stat-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245, 242, 234, 0.6);
  margin-bottom: 0.1rem;
}

.footer-stat-nums {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.footer-unit {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-left: 0.2rem;
  margin-right: 0.15rem;
}

.footer-dot {
  opacity: 0.4;
  margin: 0 0.35rem;
}

.nav-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(245, 242, 234, 0.28);
  border-radius: 0.7rem;
  background: rgba(245, 242, 234, 0.08);
  color: #f5f2ea;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-hamburger:hover,
.nav-hamburger.is-open {
  background: rgba(245, 242, 234, 0.16);
  border-color: rgba(245, 242, 234, 0.45);
}

.nav-hamburger-lines,
.nav-hamburger-lines::before,
.nav-hamburger-lines::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-hamburger-lines {
  position: relative;
}

.nav-hamburger-lines::before,
.nav-hamburger-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-hamburger-lines::before {
  top: -6px;
}

.nav-hamburger-lines::after {
  top: 6px;
}

.nav-hamburger.is-open .nav-hamburger-lines {
  background: transparent;
}

.nav-hamburger.is-open .nav-hamburger-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-hamburger.is-open .nav-hamburger-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-drawer {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  min-width: 13.5rem;
  padding: 0.4rem;
  border-radius: 0.85rem;
  background: #f2f4f6;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  z-index: 70;
}

.nav-drawer[hidden] {
  display: none !important;
}

.nav-drawer-link {
  display: block;
  padding: 0.7rem 0.85rem;
  border-radius: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-drawer-link:hover {
  background: rgba(15, 61, 54, 0.08);
  color: var(--band);
}

.nav-drawer-link.is-active {
  background: rgba(15, 61, 54, 0.12);
  color: var(--band-deep);
}

/* —— Verb conjugations page —— */
.verbs-page {
  padding-top: 1.5rem;
}

.verbs-search-panel {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.25rem;
  box-shadow: 0 10px 28px rgba(15, 45, 40, 0.06);
}

.verb-search-input {
  max-width: 40rem;
}

.verbs-meta {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.verb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.5rem;
  max-height: min(70vh, 44rem);
  overflow: auto;
}

.quiz-quick {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.verb-list-item {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.05rem 0.5rem;
  text-align: left;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.verb-list-item:hover,
.verb-list-item.is-active {
  border-color: rgba(15, 61, 54, 0.35);
  background: #fff;
}

.verb-list-item.is-active {
  box-shadow: inset 0 0 0 1px rgba(15, 61, 54, 0.2);
}

.verb-list-fr {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
}

.verb-list-en {
  grid-column: 1;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.verb-list-level {
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.verb-list-item {
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
}

.verb-list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.2rem;
}

.verb-tag {
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(15, 61, 54, 0.07);
  border-radius: 0.35rem;
  padding: 0.1rem 0.35rem;
}

/* Quick jump chips */
.jump-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.jump-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.jump-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.28rem 0.5rem;
  border-radius: 0.45rem;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.jump-chip:hover {
  border-color: rgba(15, 61, 54, 0.35);
  background: #fff;
}

.jump-chip.is-active {
  background: var(--band);
  border-color: var(--band);
  color: #f5f2ea;
}

.verbs-browse {
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.15rem;
}

.practice-select.is-correct {
  border-color: var(--ok);
  background-color: var(--ok-bg);
}

.practice-select.is-wrong {
  border-color: var(--bad);
  background-color: var(--bad-bg);
}

.practice-answer {
  display: block;
  font-size: 0.8rem;
  color: var(--ok);
  margin-top: 0.2rem;
}

.practice-result {
  font-weight: 600;
  color: var(--band-deep);
}

.practice-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.verbs-empty {
  color: var(--ink-soft);
  padding: 2rem 0.25rem;
}

.verb-hero-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.verb-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--band-deep);
  line-height: 1.1;
}

.verb-en {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.verb-meta-line {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.conjugation-panel {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 45, 40, 0.05);
}

.conjugation-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.85rem 1.1rem;
  background: linear-gradient(135deg, rgba(30, 77, 123, 0.1), rgba(61, 140, 100, 0.08));
  border-bottom: 1px solid var(--line);
}

.conjugation-panel-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--band-deep);
}

.conjugation-panel-sub {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.conjugation-panel-body {
  padding: 1rem 1.1rem 1.15rem;
}

.gerund-panel .gerund-fr {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--band-deep);
}

.gerund-panel .gerund-en {
  color: var(--ink-soft);
  font-size: 1rem;
}

.conjugation-table {
  --bs-table-bg: transparent;
  font-size: 0.98rem;
}

.conjugation-table thead th {
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
  border-bottom-color: var(--line);
  padding: 0.65rem 1rem;
}

.conjugation-table tbody th,
.conjugation-table tbody td {
  padding: 0.65rem 1rem;
  border-color: var(--line);
  vertical-align: middle;
}

.conjugation-table tbody th {
  font-weight: 500;
  color: var(--ink-soft);
  width: 7.5rem;
}

.conjugation-table .col-fr {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--band-deep);
}

.conjugation-table .col-en {
  color: var(--ink-soft);
}

.tense-panels {
  display: grid;
  gap: 0;
}

@media (min-width: 992px) {
  .tense-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .tense-panels .conjugation-panel {
    margin-bottom: 0 !important;
  }
}