/* DS単語 — App styles */

:root {
  --bg: #FFFFFF;
  --text: #000000;
  --muted: #666666;
  --faint: #999999;
  --divider: #E5E5E5;
  --hover: #F5F5F5;
  --danger: #b00020;
  --warn-bg: #fff5e0;
  --warn-fg: #b8870a;
  --font-jp: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-my: "Noto Sans Myanmar", "Padauk", "Myanmar Text", sans-serif;
  --font-mn: "Noto Sans Mongolian", "Mongolian Baiti", sans-serif;
  --font-ne: "Noto Sans Devanagari", "Devanagari Sangam MN", sans-serif;
}

* { box-sizing: border-box; }

/* Ensure HTML [hidden] attribute beats any display:* rule */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
}

button { font-family: inherit; }

/* App canvas — mobile-first; on desktop center & cap width */
#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}
@media (min-width: 640px) {
  body { background: #f0f0ee; }
  #app {
    max-width: 600px;
    min-height: 760px;
    height: 100vh;
    margin: 0 auto;
    background: var(--bg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  }
}

.view {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.view[hidden] { display: none; }

/* ========== App header ========== */
.app-header {
  height: 48px;
  padding: 0 12px;
  padding-top: env(safe-area-inset-top, 0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.app-title-text {
  font-size: 13px;
  color: var(--faint);
  letter-spacing: 0.05em;
}
.app-icon-btn {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}
.app-icon-btn:hover { color: var(--text); }
.app-icon-btn:active { transform: scale(0.96); }

/* ========== Progress bar ========== */
.progress-bar {
  height: 3px;
  background: var(--divider);
  margin: 0 16px;
  border-radius: 1.5px;
  overflow: hidden;
}
.progress-bar > span {
  display: block;
  height: 100%;
  background: var(--text);
  width: 0%;
  border-radius: 1.5px;
  transition: width 0.4s ease;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  padding: 6px 16px 0;
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.04em;
}

/* ========== Card ========== */
.card-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 8px 24px 0;
  overflow-y: auto;
}
.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Top toolbar: mastered (left) + speaker (right) */
.word-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  margin-bottom: 8px;
  min-height: 32px;
}
.btn-mastered {
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--divider);
  background: var(--bg);
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}
.btn-mastered:hover {
  border-color: var(--text);
  color: var(--text);
  background: var(--hover);
}
.btn-mastered:active { transform: scale(0.97); }
.btn-mastered svg { width: 12px; height: 12px; }

/* Speaker (unified style, right-aligned) */
.btn-speaker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.btn-speaker:hover {
  background: var(--hover);
  color: var(--text);
}
.btn-speaker:active { transform: scale(0.94); }
.btn-speaker.playing { color: var(--text); animation: pulse 1.2s infinite; }
.btn-speaker svg { width: 18px; height: 18px; }
.btn-speaker.small { width: 28px; height: 28px; }
.btn-speaker.small svg { width: 16px; height: 16px; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Word block */
.word-block {
  text-align: center;
  padding: 20px 0 0;
  transition: padding 0.2s;
}
.word-block.expanded {
  padding-top: 4px;
}
.word {
  font-size: 54px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  transition: font-size 0.2s;
  word-break: keep-all;
}
.word.smaller { font-size: 32px; line-height: 1.2; }
.word.compound-2line { font-size: 28px; line-height: 1.25; }
.reading-below {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-top: 8px;
  text-align: center;
}

/* ========== Expanded info ========== */
.info-wrap {
  display: flex;
  flex-direction: column;
}
.info-section {
  margin-top: 18px;
}
.info-section + .info-section {
  margin-top: 12px;
}
.info-section.translated {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}
.info-row-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
  min-height: 24px;
}
.info-label {
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.08em;
  font-weight: 500;
}
.info-text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
}
.verify-badge-inline {
  display: inline-block;
  font-size: 10px;
  color: var(--warn-fg);
  background: var(--warn-bg);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

/* Language-specific font hints (applied inline when translation language is set) */
[lang="my"] { font-family: var(--font-my); }
[lang="mn"] { font-family: var(--font-mn); }
[lang="ne"] { font-family: var(--font-ne); }

/* ========== Bottom action ========== */
.actions {
  padding: 12px 24px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0));
  flex-shrink: 0;
}
.btn-action {
  width: 100%;
  height: 52px;
  border-radius: 12px;
  border: 1.5px solid var(--text);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-action:hover { background: var(--hover); }
.btn-action:active { transform: scale(0.99); }
.btn-action.primary {
  background: var(--text);
  color: var(--bg);
}
.btn-action.primary:hover { background: #2a2a2a; }

/* ========== Welcome view ========== */
.welcome {
  flex: 1;
  padding: 48px 32px;
  padding-top: calc(48px + env(safe-area-inset-top, 0));
  padding-bottom: calc(48px + env(safe-area-inset-bottom, 0));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.welcome .brand {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.welcome .sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 56px;
  letter-spacing: 0.02em;
  line-height: 1.55;
}
.welcome .btn-action {
  max-width: 240px;
}

/* ========== Language select ========== */
.lang-select {
  flex: 1;
  padding: 32px 24px;
  padding-top: calc(32px + env(safe-area-inset-top, 0));
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0));
  display: flex;
  flex-direction: column;
}
.lang-select h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
}
.lang-select h2 + p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 24px;
}
.lang-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.lang-item {
  height: 52px;
  padding: 0 18px;
  border: 1px solid var(--divider);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s;
}
.lang-item:hover { border-color: var(--text); }
.lang-item.active {
  border-color: var(--text);
  background: #fafafa;
}
.lang-item .lang-name { font-size: 16px; }
.lang-item .lang-en { font-size: 12px; color: var(--muted); }
.lang-item .checkmark { color: var(--text); font-size: 14px; }
.lang-select-footer {
  padding-top: 16px;
}

/* ========== Onboarding ========== */
.onboarding {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: calc(0px + env(safe-area-inset-top, 0));
}
.onb-slides {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 32px;
}
.onb-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 320px;
}
.onb-slide[hidden] { display: none; }
.onb-illust {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: #fafafa;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  color: var(--text);
}
.onb-slide h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.onb-slide p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}
.onb-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 8px 0 20px;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--divider);
  transition: background 0.2s;
}
.dot.active { background: var(--text); }
.onb-footer {
  padding: 0 24px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0));
}

/* ========== Settings ========== */
.settings {
  flex: 1;
  padding: 16px 24px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0));
  overflow-y: auto;
}
.setting-group { margin-bottom: 24px; }
.setting-group-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--faint);
  text-transform: uppercase;
  margin-bottom: 6px;
  padding: 0 4px;
}
.setting-item {
  padding: 16px 4px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  transition: background 0.15s;
}
.setting-item:active { background: var(--hover); }
.setting-item .chev { color: var(--faint); }
.setting-item .value { font-size: 13px; color: var(--muted); }
.setting-item.danger { color: var(--danger); }
.settings-meta {
  margin-top: 28px;
  text-align: center;
  font-size: 11px;
  color: var(--faint);
  line-height: 1.7;
}

/* ========== Mastered list ========== */
.mastered {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.mastered-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mastered-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.mastered-header .count {
  font-size: 13px;
  color: var(--muted);
}
.mastered-list {
  flex: 1;
  overflow-y: auto;
}
.mastered-row {
  padding: 14px 24px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mastered-row .word-jp {
  font-size: 17px;
  font-weight: 500;
}
.mastered-row .word-tr {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}
.mastered-row .restore {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--divider);
  padding: 5px 10px;
  border-radius: 6px;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 12px;
}
.mastered-row .restore:hover {
  color: var(--text);
  border-color: var(--text);
}
.mastered-empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--faint);
  font-size: 14px;
}

/* ========== Done celebration ========== */
.done {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 32px;
}
.done .big-emoji {
  font-size: 64px;
  margin-bottom: 16px;
}
.done h1 {
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 12px;
}
.done p {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
  line-height: 1.55;
}
.done .btn-action {
  max-width: 240px;
}

/* ========== Modal ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  -webkit-tap-highlight-color: transparent;
}
.modal-panel {
  position: relative;
  background: var(--bg);
  border-radius: 16px;
  width: calc(100% - 32px);
  max-width: 480px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
.modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
  font-size: 14px;
  line-height: 1.55;
}
.modal-body textarea {
  width: 100%;
  min-height: 180px;
  padding: 10px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
  background: #fafafa;
}
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--divider);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.modal-footer .btn-action {
  width: auto;
  min-width: 100px;
  padding: 0 18px;
  height: 40px;
  font-size: 14px;
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(90px + env(safe-area-inset-bottom, 0));
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 1100;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  max-width: calc(100% - 32px);
  text-align: center;
}
.toast.show { opacity: 1; }
.toast[hidden] { display: none; }