/* Cute Bunny Productivity Suite - Exam Prep */
:root {
  --color-cream: #fff7e6;
  --color-white: #ffffff;
  --color-text: #2d2a32;
  --color-muted: #7a7480;
  --color-border: #ece7f2;
  --color-brown: #8f6b5e;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --shadow-soft: 0 8px 24px rgba(143, 107, 94, 0.1);
  --shadow-card: 0 12px 28px rgba(139, 107, 232, 0.12);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  --tap-min-height: 44px;
  --app-primary: #ede4ff;
  --app-primary-strong: #8b6be8;
  --app-secondary: #ddebff;
  --app-accent: #b59cf6;
  --app-bg: #fff7e6;
  --bg: var(--app-bg);
  --bg-soft: #fbf8ff;
  --card-bg: #ffffff;
  --text: var(--color-text);
  --text-sec: var(--color-muted);
  --purple: var(--app-accent);
  --purple-dark: var(--app-primary-strong);
  --accent: var(--app-primary-strong);
}

html,
body {
  background: linear-gradient(180deg, #fffaf0 0%, var(--app-bg) 44%, #fff 100%);
  color: var(--color-text);
  font-family: var(--font-main);
}

#app {
  max-width: 430px;
  background: transparent;
}

.home-header {
  position: relative;
  margin: 14px 14px 0;
  padding: 18px 78px 16px 18px;
  overflow: hidden;
  border: 1px solid rgba(143, 107, 94, 0.14);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(237, 228, 255, 0.92), rgba(221, 235, 255, 0.86));
  box-shadow: var(--shadow-card);
}

.suite-bunny {
  position: absolute;
  right: 18px;
  bottom: 8px;
  width: 42px;
  height: 46px;
  opacity: 0.55;
  pointer-events: none;
}

.bunny-ear,
.bunny-face {
  position: absolute;
  border: 2px solid var(--color-brown);
  background: #fffefb;
}

.bunny-ear {
  top: 0;
  width: 12px;
  height: 28px;
  border-radius: 999px;
  background: radial-gradient(ellipse at 50% 58%, #ffc7d2 0 30%, transparent 34%), #fffefb;
}

.bunny-ear-left { left: 12px; transform: rotate(-21deg); }
.bunny-ear-right { right: 9px; transform: rotate(17deg); }

.bunny-face {
  left: 3px;
  right: 3px;
  bottom: 0;
  height: 29px;
  border-radius: 52% 52% 44% 44%;
  background:
    radial-gradient(circle at 24% 63%, #ffc7d2 0 8%, transparent 9%),
    radial-gradient(circle at 76% 63%, #ffc7d2 0 8%, transparent 9%),
    #fffefb;
}

.bunny-face i,
.bunny-face b {
  display: none;
}

.goal-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #8b6be8 0%, #9f86ef 58%, #8fb7ff 100%);
  box-shadow: var(--shadow-card);
}

.goal-card::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 42px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.44);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  transform: rotate(-7deg);
}

.card,
.progress-card,
.stat-cell,
.deck-card,
.subject-row,
.card-row,
.question-card,
.option-btn,
.wrong-item,
.note-item,
.stats-cell,
.accuracy-row,
.account-row,
.share-member,
.setup-option,
.modal-box {
  border: 1px solid rgba(143, 107, 94, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}

.question-card,
.flashcard .card-face {
  background: #fff;
}

.btn {
  min-height: var(--tap-min-height);
  border-radius: 999px;
}

.btn-primary,
.nav-center-btn {
  background: var(--app-primary-strong);
}

.input,
textarea.input,
select.input {
  min-height: var(--tap-min-height);
  border-color: rgba(143, 107, 94, 0.18);
  border-radius: var(--radius-md);
  background: #fffdf8;
}

.input:focus {
  border-color: var(--app-primary-strong);
  box-shadow: 0 0 0 4px rgba(139, 107, 232, 0.18);
}

#bottom-nav {
  width: min(430px, calc(100% - 22px));
  border: 1px solid rgba(143, 107, 94, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-card);
}

.nav-btn.active {
  color: var(--app-primary-strong);
}

.empty-state {
  margin: 10px 16px;
  border: 1px dashed rgba(143, 107, 94, 0.2);
  border-radius: var(--radius-lg);
  background: #fbf8ff;
}