:root {
  --bg-top: #08153d;
  --bg-bottom: #1b2f7a;
  --text-light: #f7fbff;
  --text-soft: rgba(242, 248, 255, 0.82);
  --text-dark: #1f2c45;
  --card-bg: #f7f7f7;
  --card-bg-soft: #ffffff;
  --answer-bg: #42b8f4;
  --answer-shadow: #1387c6;
  --answer-hover: #59c3f7;
  --orange-bg: #ff8a1f;
  --orange-shadow: #d86a0b;
  --yellow-bg: #ffd21f;
  --yellow-soft: #ffe46f;
  --success: #22c55e;
  --danger: #ef4444;
  --white-border: rgba(255, 255, 255, 0.12);
  --card-shadow: 0 20px 54px rgba(5, 12, 34, 0.32);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text-light);
  background:
    radial-gradient(circle at top right, rgba(66, 184, 244, 0.14), transparent 24%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.verbes-shell {
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 1rem;
  padding:
    max(0.9rem, env(safe-area-inset-top))
    1rem
    max(0.9rem, env(safe-area-inset-bottom));
}

.app-header {
  display: grid;
  gap: 0.85rem;
}

.back-link,
.status-card,
.control-button,
.welcome-panel,
.question-card,
.choices-card,
.result-panel {
  box-shadow: var(--card-shadow);
}

.back-link {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--white-border);
  color: var(--text-light);
  font-weight: 700;
  text-decoration: none;
}

.title-wrap {
  display: grid;
  gap: 0.35rem;
  text-align: center;
}

.app-kicker {
  display: inline-flex;
  justify-self: center;
  padding: 0.42rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--yellow-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
  font-weight: 700;
}

.title-wrap h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.7rem, 5vw, 3rem);
  line-height: 1.15;
  text-wrap: balance;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.status-card {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1.1rem;
  border-radius: 1.35rem;
  background: linear-gradient(180deg, var(--yellow-bg) 0%, #ffc80a 100%);
  color: #0d1d45;
}

.status-card span {
  color: rgba(13, 29, 69, 0.76);
  font-size: 0.92rem;
  font-weight: 800;
}

.status-card strong {
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  font-weight: 900;
}

.app-main {
  min-height: 0;
  display: flex;
}

.screen {
  flex: 1;
  min-height: 0;
  display: flex;
}

.welcome-panel,
.result-panel {
  width: 100%;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 247, 247, 0.98));
  text-align: center;
}

.welcome-panel h2,
.result-panel h2 {
  margin: 0;
  color: var(--text-dark);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
}

.welcome-panel p,
.result-panel p {
  margin: 0;
  color: #52637b;
  line-height: 1.9;
  max-width: 42rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.primary-action {
  min-width: min(100%, 20rem);
  min-height: 4rem;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 1.15rem;
  background: linear-gradient(180deg, var(--answer-hover) 0%, var(--answer-bg) 100%);
  color: #0c2b43;
  font-size: 1.08rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 0 var(--answer-shadow);
}

.question-layout {
  width: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 1rem;
}

.question-card,
.choices-card {
  min-height: 0;
  border-radius: 2rem;
  background: linear-gradient(180deg, var(--card-bg-soft) 0%, var(--card-bg) 100%);
}

.question-card {
  display: grid;
  align-content: center;
  gap: 0.8rem;
  padding: clamp(1rem, 3vw, 1.6rem);
  text-align: center;
  overflow: hidden;
}

.question-label {
  color: #6a7b92;
  font-size: 0.98rem;
  font-weight: 800;
}

.question-value {
  margin: 0;
  color: var(--text-dark);
  width: 100%;
  max-width: 100%;
  font-weight: 900;
  padding-bottom: 0.14em;
  letter-spacing: -0.035em;
  white-space: nowrap;
  text-wrap: nowrap;
  overflow: hidden;
  overflow-wrap: normal;
  word-break: keep-all;
}

.question-value.question-fr {
  font-size: clamp(2.5rem, 5.8vw, 5.2rem);
  line-height: 1.08;
}

.question-value.question-ar {
  font-size: clamp(2.05rem, 5.1vw, 4.3rem);
  line-height: 1.1;
}

.choices-card {
  padding: 0.9rem;
}

.choices-grid {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.choice-button,
.control-button {
  border-radius: 1.35rem;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.choice-button {
  width: 100%;
  min-height: 4.9rem;
  padding: 1rem 0.9rem;
  border: none;
  background: linear-gradient(180deg, var(--answer-hover) 0%, var(--answer-bg) 100%);
  color: #12314b;
  font-size: clamp(1.2rem, 3.8vw, 2rem);
  font-weight: 900;
  line-height: 1.25;
  word-break: break-word;
  box-shadow: 0 10px 0 var(--answer-shadow);
}

.choice-button.correct {
  background: linear-gradient(180deg, #58dc85 0%, var(--success) 100%);
  box-shadow: 0 10px 0 #16934a;
  color: #ffffff;
}

.choice-button.wrong {
  background: linear-gradient(180deg, #ff7f7f 0%, var(--danger) 100%);
  box-shadow: 0 10px 0 #c92e2e;
  color: #ffffff;
}

.choice-button:disabled,
.control-button:disabled {
  cursor: default;
}

.app-footer {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.control-button {
  min-width: 7rem;
  min-height: 3.9rem;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(180deg, #ff9a33 0%, var(--orange-bg) 100%);
  color: #ffffff;
  border: none;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 900;
  box-shadow: 0 10px 0 var(--orange-shadow);
}

.control-button.secondary,
.control-button.ghost {
  background: linear-gradient(180deg, #ff9a33 0%, var(--orange-bg) 100%);
  color: #ffffff;
}

.control-button:disabled {
  opacity: 0.72;
  box-shadow: 0 7px 0 rgba(216, 106, 11, 0.48);
}

.result-score {
  font-size: clamp(1.3rem, 5vw, 2rem);
  font-weight: 900;
  color: #1f2c45;
}

@media (hover: hover) {
  .back-link:hover,
  .primary-action:hover,
  .choice-button:hover,
  .control-button:hover {
    transform: translateY(-2px);
  }

  .primary-action:hover,
  .choice-button:hover {
    filter: brightness(1.03);
  }

  .control-button:hover {
    filter: brightness(1.04);
  }
}

@media (min-width: 720px) {
  .verbes-shell {
    width: min(1400px, calc(100% - 2rem));
    margin: 0 auto;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .app-header {
    grid-template-columns: auto minmax(0, 1fr) minmax(320px, 0.95fr);
    align-items: center;
  }

  .back-link {
    align-self: stretch;
  }
}

@media (orientation: landscape) and (min-width: 820px) {
  .question-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    grid-template-rows: 1fr;
    align-items: stretch;
  }

  .question-card,
  .choices-card {
    height: 100%;
  }

  .question-card {
    padding: 1.5rem;
  }
}

@media (max-width: 640px) {
  .question-value.question-fr {
    font-size: clamp(2.15rem, 6.2vw, 4rem);
  }

  .question-value.question-ar {
    font-size: clamp(1.9rem, 5.4vw, 3.25rem);
  }
}