:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg-1: #f4f3ff;
  --bg-2: #eef7ff;
  --ink: #22314d;
  --ink-soft: #60708f;
  --card: rgba(255, 255, 255, 0.84);
  --card-strong: rgba(255, 255, 255, 0.94);
  --primary: #7c6cff;
  --primary-deep: #6453ff;
  --primary-soft: #ebe7ff;
  --success: #22c55e;
  --success-soft: #dcfce7;
  --danger: #ff8a7a;
  --danger-soft: #ffe2e0;
  --muted: #b9c3d8;
  --border: rgba(123, 137, 172, 0.18);
  --shadow: 0 18px 50px rgba(92, 96, 160, 0.16);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: linear-gradient(180deg, #a79cff 0%, #b7d9ff 100%); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; font: inherit; }
.shell { min-height: 100vh; padding: 20px; }
.shell-home, .shell-speaking, .shell-settings-center { padding: 0; }
.standalone-page { min-height: calc(100vh - 40px); }
.home-page {
  position: relative; overflow: hidden; min-height: 100vh; width: 100%; padding: 40px 32px 48px;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.82), transparent 32%), linear-gradient(180deg, #a79cff 0%, #b7d9ff 100%);
}
.home-bg { position: absolute; border-radius: 999px; opacity: 0.35; pointer-events: none; }
.home-bg-a { width: 320px; height: 320px; background: #ffe485; top: -60px; right: -30px; }
.home-bg-b { width: 260px; height: 260px; background: #84f1d2; bottom: -80px; left: -50px; }
.home-header, .module-grid { position: relative; z-index: 1; }
.home-header { margin-bottom: 36px; }
.home-header--center { text-align: center; }
.home-hero { max-width: 760px; margin: 0 auto; }
.settings-float-btn { position: absolute; top: 20px; right: 20px; }
.eyebrow {
  margin: 0 0 8px; color: rgba(34, 49, 77, 0.62); font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.home-header h1, .chat-app-header h1, .settings-placeholder h2 { margin: 0; line-height: 1.08; }
.home-header h1 { font-size: clamp(36px, 5vw, 58px); }
.home-subtitle, .settings-placeholder p, .settings-box { color: var(--ink-soft); }
.home-subtitle { margin: 16px auto 0; max-width: 760px; font-size: clamp(20px, 2.3vw, 26px); line-height: 1.5; }
.icon-btn {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px; background: rgba(255, 255, 255, 0.04);
  box-shadow: none; cursor: pointer; font-size: 24px; color: rgba(34, 49, 77, 0.12);
}
.icon-btn:hover { background: rgba(255,255,255,0.08); color: rgba(34,49,77,0.2); }
.settings-float-btn,
.settings-float-btn:hover {
  background: transparent;
  color: transparent;
  box-shadow: none;
}
.module-grid {
  width: fit-content; max-width: calc(100vw - 64px); margin: 0 auto; display: grid;
  grid-template-columns: repeat(2, minmax(280px, 340px)); gap: 24px; justify-items: stretch;
}
.module-grid--square .module-card { width: 100%; aspect-ratio: 1 / 1; }
.module-grid--inline {
  grid-template-columns: repeat(4, minmax(100px, 1fr));
  gap: 12px;
}
.module-grid--inline .module-card {
  padding: 14px 10px;
  border-radius: 20px;
}
.module-grid--inline .module-icon {
  width: 176px;
  height: 176px;
  margin-bottom: 14px;
  border-radius: 28px;
  font-size: 80px;
}
.module-grid--inline .module-title {
  font-size: 26px;
  font-weight: 800;
}
.module-grid--inline .module-subtitle {
  margin-top: 8px;
  font-size: 16px;
}
.module-card {
  text-align: center; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 26px;
  border-radius: 28px; background: var(--card-strong); box-shadow: 0 14px 32px rgba(94, 107, 173, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.65); transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.module-card[hidden] { display: none !important; }
.module-card--active { cursor: pointer; }
.module-card--active:hover { transform: translateY(-2px); box-shadow: 0 20px 36px rgba(91, 102, 191, 0.18); }
.module-card--disabled { background: rgba(255, 255, 255, 0.45); color: #8b96ad; filter: grayscale(0.15); cursor: default; }
.module-icon { width: 76px; height: 76px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 22px; background: var(--primary-soft); font-size: 38px; }
.module-card--disabled .module-icon { background: rgba(224, 229, 239, 0.86); }
.module-title { font-size: clamp(28px, 3vw, 38px); font-weight: 800; }
.module-subtitle { margin-top: 10px; font-size: 20px; color: var(--ink-soft); }
.panel {
  min-height: calc(100vh - 40px); border-radius: 32px; padding: 24px; background: var(--card);
  backdrop-filter: blur(14px); box-shadow: var(--shadow);
}
.settings-page-real { padding: 20px; }
.settings-panel { display: grid; grid-template-rows: auto 1fr; }
.panel-topbar { display: flex; align-items: center; }
.ghost-btn, .ghost-btn-link, .primary-btn, .secondary-btn {
  min-height: 58px; padding: 0 26px; border-radius: 18px; font-size: 20px; font-weight: 800;
}
.ghost-btn, .ghost-btn-link {
  display: inline-flex; align-items: center; justify-content: center; color: #44506d; background: rgba(255, 255, 255, 0.8); border: 1px solid var(--border);
}
.primary-btn {
  min-width: 150px; color: white; background: linear-gradient(180deg, var(--primary) 0%, var(--primary-deep) 100%);
  box-shadow: 0 12px 24px rgba(100, 83, 255, 0.26); cursor: pointer;
}
.primary-btn.is-live { background: linear-gradient(180deg, #ff8f70 0%, #ff6f61 100%); box-shadow: 0 12px 24px rgba(255, 111, 97, 0.24); }
.secondary-btn {
  min-width: 130px; color: #4f5972; background: rgba(255, 255, 255, 0.92); border: 1px solid var(--border); cursor: pointer;
}
.settings-placeholder { display: grid; place-content: center; justify-items: center; text-align: center; gap: 14px; }
.settings-badge { padding: 8px 14px; border-radius: 999px; background: #efeaff; color: #6857de; font-weight: 800; }
.settings-box { margin-top: 10px; padding: 18px 22px; border-radius: 22px; background: rgba(255, 255, 255, 0.85); text-align: left; border: 1px solid var(--border); }
.settings-box ul { margin: 10px 0 0; padding-left: 20px; }
.speaking-page-real { min-height: 100vh; }
.chat-app { height: 100vh; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; background: linear-gradient(180deg, #f8f8ff 0%, #eef6ff 100%); }
.chat-app-header {
  padding: 20px 20px 12px; text-align: center; background: rgba(255, 255, 255, 0.74); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(123, 137, 172, 0.1);
}
.chat-thread { min-height: 0; height: 100%; overflow-y: auto; padding: 18px 16px 18px; scroll-behavior: smooth; }
.chat-row { display: flex; gap: 12px; margin: 14px 0; align-items: flex-start; }
.chat-row.user { justify-content: flex-end; }
.chat-row.user .chat-avatar { order: 2; }
.chat-row.user .chat-bubble-wrap { order: 1; align-items: flex-end; width: auto; }
.chat-row.ai .chat-bubble-wrap { align-items: flex-start; width: auto; }
.chat-bubble-wrap { max-width: min(78vw, 780px); display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.chat-avatar { width: 52px; height: 52px; border-radius: 18px; object-fit: cover; box-shadow: 0 8px 16px rgba(91, 105, 164, 0.14); }
.chat-name { font-size: 16px; font-weight: 800; color: #61708c; }
.chat-bubble {
  display: inline-block; width: fit-content; max-width: 100%; padding: 16px 18px; border-radius: 22px;
  font-size: clamp(21px, 2.2vw, 29px); font-weight: 600; line-height: 1.65; white-space: pre-wrap; word-break: break-word;
}
.chat-row.ai .chat-bubble { background: linear-gradient(180deg, #f1ecff 0%, #e4ddff 100%); color: #2f255f; }
.chat-row.user .chat-bubble { background: linear-gradient(180deg, #d8fff0 0%, #c8f6e9 100%); color: #174d3f; }
.chat-row.interim { opacity: 0.72; }

.chat-toolbar {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: max-content 1fr 1fr max-content;
  grid-template-areas: "status start back timer";
  align-items: center;
  gap: 12px;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(123, 137, 172, 0.12);
}

.chat-toolbar > * { min-width: 0; }
.chat-toolbar #toggleBtn,
.chat-toolbar #backBtn,
.chat-toolbar #holdToTalkBtn { width: 100%; }
.chat-toolbar #toggleBtn,
.chat-toolbar #holdToTalkBtn { grid-area: start; }
.chat-toolbar #backBtn { grid-area: back; }

.daily-countdown {
  grid-area: timer;
  justify-self: end;
  min-width: 108px;
  min-height: 46px;
  padding: 8px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(123, 137, 172, 0.12);
  text-align: center;
}

.daily-countdown.is-exhausted {
  background: #ffe8e5;
  border-color: rgba(239, 68, 68, 0.18);
}

.daily-countdown.is-low {
  background: #fff1f1;
  border-color: rgba(239, 68, 68, 0.22);
}

.daily-countdown.is-low .daily-countdown-value {
  color: #dc2626;
}

.daily-countdown.is-pulse {
  animation: qa-remaining-pulse 420ms ease;
}

@keyframes qa-remaining-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.daily-countdown-label { font-size: 12px; font-weight: 800; color: #6c7a96; }
.daily-countdown-value { margin-top: 4px; font-size: 28px; font-weight: 900; color: #24324c; }
.daily-countdown.is-exhausted .daily-countdown-value { color: #dc2626; }

.system-toast {
  position: fixed;
  left: 50%;
  top: 84px;
  transform: translateX(-50%) translateY(-6px);
  z-index: 30;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  background: rgba(58, 72, 102, 0.82);
  color: white;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.system-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.system-toast.is-success { background: rgba(34, 197, 94, 0.92); }
.system-toast.is-error { background: rgba(239, 68, 68, 0.92); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(34, 49, 77, 0.38);
  backdrop-filter: blur(6px);
}

.modal-backdrop[hidden] { display: none !important; }

.modal-card {
  width: min(92vw, 460px);
  padding: 24px 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(123,137,172,0.12);
  box-shadow: 0 18px 50px rgba(92, 96, 160, 0.22);
  text-align: center;
}

.modal-card h2 {
  margin: 0;
  font-size: 28px;
}

.modal-card p {
  margin: 14px 0 0;
  color: #55627d;
  font-size: 20px;
  line-height: 1.7;
}

.modal-actions {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}

.connection-badge {
  grid-area: status;
  position: static;
  justify-self: start;
  min-height: 46px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(91, 105, 164, 0.08);
}

.connection-badge.is-online {
  color: #166534;
  background: var(--success-soft);
  border: 1px solid rgba(34, 197, 94, 0.28);
}

.connection-badge.is-offline {
  color: #6b7280;
  background: #edf0f5;
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.qa-subtitle {
  margin: 10px 0 0;
  color: #6c7a96;
  font-size: 15px;
}

.qa-hold-btn {
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.qa-hold-btn.is-opening {
  background: linear-gradient(180deg, #fb7185 0%, #ef4444 100%);
  box-shadow: 0 12px 24px rgba(239, 68, 68, 0.24);
}

.qa-hold-btn.is-holding {
  background: linear-gradient(180deg, #34d399 0%, #22c55e 100%);
  box-shadow: 0 12px 24px rgba(34, 197, 94, 0.24);
}

.qa-hold-btn.is-processing {
  background: linear-gradient(180deg, #fbbf24 0%, #f97316 100%);
  box-shadow: 0 12px 24px rgba(249, 115, 22, 0.24);
}

.qa-hold-btn.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.qa-toolbar {
  grid-template-columns: max-content 1fr 1fr max-content;
}

.translate-btn {
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #5b54c8;
  background: rgba(124, 108, 255, 0.12);
  border: 1px solid rgba(124, 108, 255, 0.18);
  cursor: pointer;
}

.translate-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.ai-message-wrap { align-items: flex-start; }
.ai-message-content { display: inline-flex; align-items: flex-start; gap: 8px; max-width: min(78vw, 780px); }
.ai-message-content > .chat-bubble { max-width: min(62vw, 680px); }
.translate-btn-side { width: 34px; min-width: 34px; min-height: 34px; padding: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: 14px; font-weight: 900; line-height: 1; align-self: flex-start; }
.replay-btn-side { width: auto; min-width: 48px; min-height: 34px; padding: 0 10px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: 12px; font-weight: 900; line-height: 1; align-self: flex-start; color: #2563eb; background: rgba(37, 99, 235, 0.1); border: 1px solid rgba(37, 99, 235, 0.22); cursor: pointer; }
.replay-btn-side:disabled { opacity: 0.55; cursor: not-allowed; }
.translation-box { display: block; width: fit-content; max-width: min(62vw, 680px); margin-top: 8px; padding: 12px 14px; border-radius: 16px; background: rgba(255, 255, 255, 0.82); border: 1px solid rgba(123, 137, 172, 0.14); color: #42506a; font-size: 22px; line-height: 1.75; white-space: pre-wrap; }
.translation-box[hidden] { display: none !important; }
.translation-box { max-width: 100%; padding: 14px 16px; border-radius: 18px; background: #fff7db; color: #6b4d00; font-size: clamp(20px, 2.05vw, 26px); line-height: 1.65; }
.translation-box[hidden] { display: none !important; }
.shell-settings-center { padding: 0; }
.settings-center-page { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; background: linear-gradient(180deg, #f5f4ff 0%, #eef6ff 100%); }
.settings-sidebar {
  padding: 28px 20px 88px; background: rgba(255, 255, 255, 0.92); border-right: 1px solid rgba(123, 137, 172, 0.12);
  display: flex; flex-direction: column; gap: 22px;
}
.settings-brand { display: flex; align-items: center; gap: 12px; }
.settings-brand-icon {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px;
  background: linear-gradient(180deg, #8b7dff 0%, #6f63ff 100%); color: white; font-size: 24px;
}
.settings-brand-title { font-size: 20px; font-weight: 800; }
.settings-brand-subtitle { margin-top: 4px; color: #7b87a2; font-size: 14px; }
.settings-nav { display: grid; gap: 10px; }
.settings-tab {
  min-height: 54px; padding: 0 18px; display: flex; align-items: center; border-radius: 16px; color: #4b5875;
  background: transparent; font-size: 17px; font-weight: 800; cursor: pointer;
}
.settings-tab.active { background: #efeaff; color: #5b54c8; }
.settings-back-link { margin-top: auto; position: fixed; left: 20px; bottom: 18px; z-index: 30; background: rgba(255,255,255,0.98); box-shadow: 0 10px 24px rgba(91, 105, 164, 0.08); }
.settings-main { padding: 28px; }
.settings-view { display: none; }
.settings-view.active { display: block; }
.settings-view-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.settings-view-header h1 { margin: 0; font-size: 34px; }
.settings-view-subtitle { margin: 10px 0 0; color: #6c7a96; font-size: 16px; }
.period-switcher {
  display: inline-flex; gap: 8px; padding: 6px; border-radius: 16px; background: rgba(255,255,255,0.8); border: 1px solid rgba(123,137,172,0.12);
}
.overview-header-actions { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.overview-date-field { min-width: 220px; }
.overview-record-tabs { justify-content: flex-start; }
.overview-records-card .resource-list-header { align-items: flex-start; }
.overview-task-status { display: inline-flex; align-items: center; width: fit-content; min-height: 30px; padding: 0 12px; border-radius: 999px; font-size: 13px; font-weight: 900; }
.overview-task-status.is-done { background: #dcfce7; color: #166534; }
.overview-task-status.is-todo { background: #fee2e2; color: #b91c1c; }
.period-btn { min-height: 42px; padding: 0 16px; border-radius: 12px; font-size: 14px; font-weight: 800; color: #62708c; cursor: pointer; }
.period-btn.active { background: #7c6cff; color: white; }
.overview-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.stat-card, .config-card, .placeholder-card {
  padding: 20px; border-radius: 24px; background: rgba(255,255,255,0.92); border: 1px solid rgba(123,137,172,0.12); box-shadow: 0 12px 30px rgba(90, 100, 160, 0.08);
}
.stat-title { color: #74819d; font-size: 14px; font-weight: 700; }
.stat-value { margin-top: 12px; font-size: 30px; font-weight: 900; }
.stat-extra { margin-top: 8px; color: #7a869e; font-size: 14px; }
.config-card + .config-card, .module-stats + .session-groups { margin-top: 16px; }
.module-stat-list, .session-group-list { display: grid; gap: 12px; }
.module-stat-row {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(123,137,172,0.1);
}
.module-stat-row:last-child { border-bottom: none; }
.module-stat-name { font-size: 17px; font-weight: 800; }
.module-stat-meta { margin-top: 4px; color: #7a869e; font-size: 13px; }
.module-stat-duration { font-size: 18px; font-weight: 800; }
.session-day-group, .session-item { border-radius: 18px; background: #f9fbff; border: 1px solid rgba(123,137,172,0.1); overflow: hidden; }
.session-day-group > summary, .session-item > summary { padding: 16px 18px; cursor: pointer; font-weight: 800; }
.session-day-group > summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.session-day-total { color: #5b54c8; font-size: 14px; }
.session-item > summary { display: flex; justify-content: space-between; color: #47536d; font-size: 14px; }
.session-messages { padding: 0 18px 18px; display: grid; gap: 10px; }
.session-message { display: flex; flex-direction: column; gap: 6px; max-width: 78%; padding: 10px 12px; border-radius: 14px; background: white; }
.session-message.ai { justify-self: start; text-align: left; background: linear-gradient(180deg, #f0edff 0%, #e4ddff 100%); }
.session-message.user { justify-self: start; text-align: left; background: linear-gradient(180deg, #d8fff0 0%, #c7f5e8 100%); }
.session-message-role { min-width: 64px; font-weight: 800; color: #5d6987; }
.session-message-text { color: #2d3851; }
.empty-state { color: #7b87a2; }
.config-grid { display: grid; gap: 16px; }
.field-grid { display: grid; gap: 14px; }
.field-grid.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.homework-parent-message-grid { align-items: start; }
.homework-parent-message-col { align-self: start; }
.field { display: grid; gap: 8px; }
.field > span { font-size: 14px; font-weight: 800; color: #62708c; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border-radius: 16px; border: 1px solid rgba(123,137,172,0.16); background: #fbfcff; font: inherit; color: #24324c;
}
.field textarea { resize: vertical; }
.sensitive-input { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.checkbox-field { align-content: end; }
.checkbox-field input { width: 22px; height: 22px; }
.mini-btn { min-height: 46px; padding: 0 14px; border-radius: 14px; background: #eef2ff; color: #5662d8; font-weight: 800; cursor: pointer; }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.save-hint { color: #6f7d98; font-size: 14px; }
.import-feedback { padding: 14px 16px; border-radius: 16px; background: #fff8e8; border: 1px solid rgba(245, 158, 11, 0.18); color: #7a5a00; }
.import-feedback-title { font-size: 14px; font-weight: 800; }
.import-feedback-list { margin: 10px 0 0; padding-left: 18px; display: grid; gap: 6px; font-size: 13px; line-height: 1.6; }
.field-help { margin: 12px 0 0; color: #6f7d98; font-size: 14px; line-height: 1.6; }
.reset-field { align-content: end; }
.reset-btn { min-width: 0; min-height: 52px; font-size: 16px; }
.resource-toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.file-upload-btn { position: relative; overflow: hidden; cursor: pointer; }
.resource-list-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.resource-search {
  width: min(280px, 100%); padding: 12px 14px; border-radius: 14px; border: 1px solid rgba(123,137,172,0.16); background: #fbfcff; font: inherit; color: #24324c;
}
.word-list { display: grid; gap: 12px; }
.word-row {
  display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 16px; border-radius: 18px; background: #f9fbff; border: 1px solid rgba(123,137,172,0.1); align-items: start;
}
.word-main { display: grid; gap: 8px; }
.word-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.word-text { font-size: 20px; font-weight: 900; color: #2a3652; }
.word-meaning { color: #4c5975; font-weight: 700; }
.word-example { color: #7a869e; font-size: 14px; }
.word-tag {
  display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 999px; background: #ece8ff; color: #5b54c8; font-size: 12px; font-weight: 800;
}
.word-tag-soft { background: #eef4ff; color: #586884; }
.word-delete-btn { min-height: 42px; }

.shell-homework { padding: 0; }
.homework-page { min-height: 100vh; padding: 28px; background: linear-gradient(180deg, #f7f6ff 0%, #eef6ff 100%); }
.homework-header { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start; margin-bottom: 20px; }
.homework-header-main { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.homework-header-main h1 { margin: 0; font-size: 34px; }
.homework-date-meta { margin: 0; color: #6f7d98; font-size: 34px; font-weight: 800; }
.homework-top-actions { justify-self: end; display: flex; gap: 10px; flex-wrap: wrap; }
.homework-back-top { justify-self: end; }
.homework-content { display: grid; grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr); gap: 18px; align-items: start; }
.homework-main-column, .homework-side-column, .homework-sections, .homework-messages { display: grid; gap: 16px; }
.homework-main-column { order: 1; }
.homework-side-column { order: 2; }
.homework-progress-card { display: grid; gap: 14px; }
.homework-progress-bar { height: 12px; border-radius: 999px; background: #ecefff; overflow: hidden; }
.homework-progress-bar span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #7c6cff 0%, #5fd3ff 100%); }
.homework-task-list { display: grid; gap: 12px; }
.homework-task { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 14px; border-radius: 18px; background: #f9fbff; border: 1px solid rgba(123,137,172,0.1); align-items: start; }
.homework-task.is-done { opacity: 0.62; background: #f3f6fb; }
.homework-task-checkbox { width: 22px; height: 22px; margin-top: 4px; }
.homework-task-body { display: grid; gap: 8px; }
.homework-task-text { font-size: 18px; line-height: 1.7; color: #23314c; }
.homework-image-list { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-start; align-items: center; }
.homework-image-btn { justify-self: start; min-height: 38px; padding: 0 14px; border-radius: 12px; background: #eef2ff; color: #5662d8; font-weight: 800; cursor: pointer; }
.homework-subject-action-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; grid-column: 2 / 4; grid-row: 2; width: 100%; }
.homework-subject-action-row .homework-subject-actions { justify-self: end; }
.homework-subject-actions { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; width: 100%; }
.homework-messages-card.has-message { background: #fff4d6; border-color: rgba(245, 158, 11, 0.24); }
.homework-messages-card.is-empty { padding: 16px 18px; }
.homework-message-card { display: grid; gap: 16px; padding: 20px; border-radius: 18px; background: #fff1c9; border: 1px solid rgba(245, 158, 11, 0.22); }
.homework-message-card.is-read { opacity: 0.78; background: #ece7db; border-color: rgba(123, 137, 172, 0.18); }
.homework-message-card.is-unread { box-shadow: 0 10px 24px rgba(245, 158, 11, 0.12); }
.homework-message-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.homework-message-title { font-size: 30px; font-weight: 900; color: #8a5800; }
.homework-read-badge { display: none; }
.homework-message-text { color: #51402c; line-height: 1.9; font-size: 18px; font-weight: 700; }
.homework-message-text-empty { color: #9ca3af; font-weight: 600; }
.homework-thread-list { display: grid; gap: 8px; }
.homework-thread-row { display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; gap: 10px; }
.homework-thread-row.has-read-btn { grid-template-columns: minmax(0, 1fr) auto; }
.homework-thread-item { padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(123, 137, 172, 0.2); background: #fff8e8; max-width: 92%; }
.homework-thread-item.is-child { background: #e8f7ff; border-color: rgba(56, 189, 248, 0.35); margin-left: auto; }
.homework-thread-row.has-read-btn .homework-thread-item { max-width: 100%; }
.homework-thread-item.is-child .homework-thread-head { text-align: right; }
.homework-thread-item.is-mom,
.homework-thread-item.is-dad { background: #fef3c7; border-color: rgba(245, 158, 11, 0.35); }
.homework-parent-message-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.homework-parent-message-row .homework-thread-item { max-width: 100%; }
.homework-parent-message-row .homework-read-btn,
.homework-thread-read-btn { min-width: 64px; }
.homework-parent-message-row .homework-read-btn.is-unread,
.homework-thread-read-btn.is-unread { background: #fff; color: #b45309; border-color: rgba(245, 158, 11, 0.5); }
.homework-parent-message-row .homework-read-btn.is-read,
.homework-thread-read-btn.is-read { background: rgba(219, 234, 254, 0.68); color: rgba(29, 78, 216, 0.78); border-color: rgba(59, 130, 246, 0.22); opacity: 0.75; }
.homework-thread-head { font-size: 15px; font-weight: 900; color: #5b6475; margin-bottom: 4px; }
.homework-thread-text {
  color: #374151;
  font-size: 18px;
  line-height: 1.7;
  margin-top: 2px;
  min-width: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  flex: 1 1 auto;
}
.homework-thread-audio-row { display: flex; align-items: flex-start; gap: 10px; margin-top: 6px; min-width: 0; }
.homework-thread-play-btn { margin-top: 0; min-width: 36px; width: 36px; height: 36px; padding: 0; border-radius: 999px; font-size: 16px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 36px; }
.homework-message-actions { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.homework-message-actions { display: flex; margin-top: 14px; }
.homework-reply-hold-btn { width: 100%; min-height: 56px; margin-left: 0; border-radius: 18px; font-size: 20px; font-weight: 900; touch-action: none; -webkit-user-select: none; user-select: none; -webkit-tap-highlight-color: transparent; }
.homework-reply-hold-btn.is-opening { background: linear-gradient(180deg, #fb7185 0%, #ef4444 100%); color: #fff; box-shadow: 0 12px 24px rgba(239, 68, 68, 0.24); }
.homework-reply-hold-btn.is-recording { background: linear-gradient(180deg, #34d399 0%, #22c55e 100%); color: #fff; box-shadow: 0 12px 24px rgba(34, 197, 94, 0.24); }
.homework-reply-hold-btn.is-processing { background: linear-gradient(180deg, #fbbf24 0%, #f97316 100%); color: #fff; box-shadow: 0 12px 24px rgba(249, 115, 22, 0.24); }
.image-lightbox { position: fixed; inset: 0; background: rgba(18, 24, 39, 0.82); display: grid; place-items: center; z-index: 60; padding: 24px; }
.image-lightbox[hidden] { display: none !important; }
.image-lightbox-img { max-width: min(92vw, 1100px); max-height: 86vh; border-radius: 20px; box-shadow: 0 24px 80px rgba(0,0,0,0.45); }
.image-lightbox-close { position: absolute; top: 18px; right: 18px; width: 48px; height: 48px; border-radius: 999px; background: rgba(255,255,255,0.16); color: white; font-size: 28px; cursor: pointer; }
.homework-admin-sections, .homework-admin-list { display: grid; gap: 16px; }
.config-card--collapsible details { display: grid; gap: 14px; }
.config-card--collapsible summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; }
.config-card--collapsible summary::-webkit-details-marker { display: none; }
.config-card--collapsible summary h2 { margin: 0; }
.config-card--collapsible summary::before {
  content: '▸';
  color: #6c7a96;
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s ease;
}
.config-card--collapsible details[open] summary::before { transform: rotate(90deg); }
.config-card-collapsible-content { display: grid; gap: 14px; }
.homework-admin-section-card { padding: 18px; border-radius: 20px; background: #f9fbff; border: 1px solid rgba(123,137,172,0.1); display: grid; gap: 14px; }
.homework-admin-task-list { display: grid; gap: 12px; }
.homework-admin-task { display: grid; gap: 10px; padding: 14px; border-radius: 16px; background: white; border: 1px solid rgba(123,137,172,0.1); }
.homework-admin-task.is-done { background: #f5f8fc; }
.homework-admin-task-side { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.homework-message-card .homework-image-list { margin-top: 4px; }
.homework-admin-message-thread { display: grid; gap: 8px; margin-top: 8px; }
.homework-admin-message-thread-item { padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(123, 137, 172, 0.2); background: #f8fafc; }
.homework-admin-message-thread-item.is-child { background: #e0f2fe; border-color: rgba(56, 189, 248, 0.35); }
.homework-admin-message-thread-item.is-child .save-hint { text-align: right; }
.homework-admin-message-thread-item.is-mom,
.homework-admin-message-thread-item.is-dad { background: #fef3c7; border-color: rgba(245, 158, 11, 0.35); }
.homework-admin-message-reply-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 8px; }
.homework-admin-message-thread-item .homework-thread-play-btn { margin-top: 0; }
.homework-admin-inline-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.homework-admin-inline-row input { min-height: 54px; font-size: 18px; }
.homework-task-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.homework-points-badge { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 30px; padding: 0 10px; border-radius: 999px; background: #fff7ed; color: #c2410c; font-size: 14px; font-weight: 900; border: 1px solid rgba(249, 115, 22, 0.18); }
.homework-task-meta { color: #718096; font-size: 14px; font-weight: 800; }
.homework-task-meta.is-overdue { color: #dc2626; }
.homework-task.is-overdue { border-color: rgba(239, 68, 68, 0.24); background: #fff7f7; }
.homework-checkin-value-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; align-items: center; margin-top: 6px; }
.homework-checkin-value-input { min-height: 42px; padding: 8px 10px; border-radius: 12px; border: 1px solid rgba(123,137,172,0.18); font: inherit; font-weight: 800; background: #fff; }
.homework-checkin-unit { color: #64748b; font-weight: 900; }
.homework-admin-template-card { display: grid; gap: 10px; padding: 12px; border-radius: 16px; background: #fff; border: 1px solid rgba(123,137,172,0.1); }
.homework-admin-inline-row--wide { grid-template-columns: minmax(180px, 1fr) minmax(150px, auto) auto; }
.homework-admin-inline-row--weekly { grid-template-columns: minmax(180px, 1fr) 150px 120px 100px auto; }
.homework-admin-inline-row select, .homework-admin-inline-row input { min-height: 54px; padding: 0 12px; border-radius: 14px; border: 1px solid rgba(123,137,172,0.16); background: #fbfcff; font: inherit; color: #24324c; }
.homework-score-rule-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.homework-task-meta-grid { margin-top: 4px; }

.homework-custom-title-field { flex: 1; }
.homework-custom-actions { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 1100px) {
  .overview-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .shell { padding: 14px; }
  .standalone-page,
  .panel,
  .home-page { min-height: calc(100vh - 28px); }
  .home-page,
  .panel { border-radius: 0; padding: 24px 18px 32px; }
  .settings-float-btn { top: 16px; right: 16px; }
  .module-grid { width: min(100%, 760px); grid-template-columns: 1fr 1fr; gap: 16px; }
  .module-grid--square .module-card { width: 100%; }
  .chat-thread { padding: 14px 12px; }
  .chat-bubble-wrap { max-width: 82vw; }
  .chat-avatar { width: 46px; height: 46px; border-radius: 16px; }
  .chat-toolbar {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "start back"
      "status timer";
    align-items: stretch;
  }
  .chat-toolbar #toggleBtn { grid-area: start; width: 100%; }
  .chat-toolbar #backBtn { grid-area: back; width: 100%; }
  .chat-toolbar .connection-badge { grid-area: status; width: 100%; justify-self: stretch; justify-content: center; }
  .chat-toolbar .daily-countdown { grid-area: timer; width: 100%; min-width: 0; justify-self: stretch; text-align: center; }
  .daily-countdown,
  .connection-badge,
  .primary-btn,
  .secondary-btn { justify-content: center; }
  .daily-countdown-label { font-size: 11px; }
  .daily-countdown-value { font-size: 22px; }
  .settings-center-page { grid-template-columns: 1fr; }
  .homework-content { grid-template-columns: 1fr; }
  .homework-main-column { order: 1; }
  .homework-side-column { order: 2; }
  .homework-main-column { display: contents; }
  .homework-progress { order: 1; }
  .homework-side-column { order: 2; }
  .homework-sections { order: 3; }
  .homework-header { grid-template-columns: 1fr; align-items: stretch; }
  .homework-header-main { align-items: flex-start; }
  .homework-top-actions { justify-self: stretch; }
  .settings-sidebar { border-right: none; border-bottom: 1px solid rgba(123,137,172,0.12); }
  .settings-back-link { position: fixed; left: 14px; right: 14px; bottom: 12px; justify-content: center; }
  .field-grid.two-col:not(.homework-parent-message-grid), .overview-cards { grid-template-columns: 1fr; }
  .settings-main { padding: 18px; }
  .session-message { max-width: 100%; }
  .resource-list-header { flex-direction: column; align-items: stretch; }
  .resource-search { width: 100%; }
  .word-row { grid-template-columns: 1fr; }
  .homework-admin-inline-row { grid-template-columns: 1fr; }
}

.homework-checkin-task { align-items: center; }
.homework-checkin-task .homework-task-body { display: flex; align-items: center; gap: 12px; min-width: 0; }
.homework-checkin-task .homework-task-title-row { flex: 0 0 auto; min-width: 140px; align-items: center; }
.homework-checkin-task .homework-task-text { white-space: nowrap; }
.homework-checkin-task .homework-points-badge { margin-left: 8px; }
.homework-checkin-task .homework-checkin-value-row { flex: 1 1 auto; min-width: 210px; margin-top: 0; }
.homework-point-celebration { position: fixed; left: 50%; top: 38%; z-index: 120; transform: translate(-50%, -50%); pointer-events: none; display: grid; justify-items: center; gap: 8px; padding: 22px 30px; border-radius: 28px; background: linear-gradient(180deg, rgba(255, 247, 237, 0.98), rgba(255, 237, 213, 0.98)); border: 2px solid rgba(251, 146, 60, 0.36); box-shadow: 0 24px 70px rgba(251, 146, 60, 0.32); animation: point-celebration-pop 1.5s ease forwards; }
.homework-point-celebration-main { font-size: clamp(42px, 7vw, 78px); line-height: 1; font-weight: 1000; color: #ea580c; text-shadow: 0 3px 0 rgba(255,255,255,0.75); }
.homework-point-celebration-sub { font-size: clamp(18px, 2vw, 26px); font-weight: 900; color: #9a3412; }
@keyframes point-celebration-pop { 0% { opacity: 0; transform: translate(-50%, -42%) scale(0.55) rotate(-4deg); } 16% { opacity: 1; transform: translate(-50%, -50%) scale(1.12) rotate(2deg); } 34% { transform: translate(-50%, -50%) scale(1) rotate(0); } 78% { opacity: 1; transform: translate(-50%, -58%) scale(1); } 100% { opacity: 0; transform: translate(-50%, -72%) scale(0.92); } }
@media (max-width: 900px) { .homework-checkin-task .homework-task-body { flex-wrap: wrap; } .homework-checkin-task .homework-checkin-value-row { min-width: 100%; } }

.homework-points-badge { margin-left: auto; background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%); color: #ea580c; font-size: 16px; min-width: 76px; justify-content: center; }
.homework-task > .homework-points-badge { align-self: start; justify-self: end; grid-column: 3; grid-row: 1; margin-top: 0; }
.homework-task-checkbox:disabled { opacity: 0.85; accent-color: #22c55e; }
.homework-checkin-task { grid-template-columns: auto minmax(0, 1fr) auto; }
.homework-checkin-task .homework-task-body { display: flex; align-items: center; gap: 12px; min-width: 0; }
.homework-checkin-task .homework-task-title-row { flex: 0 0 auto; min-width: 120px; }
.homework-checkin-task .homework-checkin-value-row { flex: 1 1 auto; min-width: 220px; }
.homework-checkin-confirm-btn:disabled { opacity: 0.45; cursor: not-allowed; filter: grayscale(0.3); }
@media (max-width: 900px) { .homework-checkin-task { grid-template-columns: auto minmax(0, 1fr) auto; } }

.homework-task { grid-template-columns: auto minmax(0, 1fr) auto; }

.homework-points-badge { width: 86px; min-width: 86px; max-width: 86px; }
.homework-points-badge--empty { visibility: hidden; }
.homework-checkin-value-row { grid-template-columns: 92px 44px 72px; flex: 0 0 auto; min-width: 220px; }
.homework-checkin-value-input { width: 92px; text-align: center; }
.homework-checkin-unit { width: 44px; text-align: left; }
.homework-checkin-confirm-btn { min-width: 72px; }
.homework-checkin-task .homework-task-title-row { min-width: 110px; }
.homework-checkin-task .homework-task-body { justify-content: flex-start; }
@media (max-width: 900px) { .homework-checkin-value-row { grid-template-columns: 92px 44px 72px; min-width: 220px; } }

.homework-subject-actions { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; width: 100%; margin-top: 6px; }
.homework-subject-done-btn { background: #dcfce7; color: #15803d; border-color: rgba(34, 197, 94, 0.28); }
.homework-subject-none-btn { background: #eef2ff; color: #4f46e5; border-color: rgba(99, 102, 241, 0.24); }
.homework-checkin-value-input:disabled { background: #f1f5f9; color: #64748b; }

/* Daily check-in compact input: unit outside the box, wider confirm button */
.homework-checkin-value-row { grid-template-columns: 82px 56px 104px; min-width: 252px; }
.homework-checkin-value-input { width: 82px; }
.homework-checkin-unit { width: 56px; text-align: left; }
.homework-checkin-confirm-btn { min-width: 104px; padding-left: 18px; padding-right: 18px; }
@media (max-width: 900px) { .homework-checkin-value-row { grid-template-columns: 82px 56px 104px; min-width: 252px; } }

.toggle-field { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: #25314d; white-space: nowrap; }
.toggle-field input { width: 22px; height: 22px; accent-color: #6366f1; }
.wordlist-toggle-field { align-self: start; padding: 10px 12px; border-radius: 999px; background: #f4f7ff; border: 1px solid rgba(99,102,241,0.16); }

/* English songs */
.songs-page { min-height: 100vh; padding: 28px; background: linear-gradient(180deg, #f7f3ff 0%, #edf7ff 100%); }
.songs-header { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px; margin-bottom: 26px; }
.songs-heading { text-align: center; }
.songs-heading h1 { margin: 0; font-size: clamp(34px, 4vw, 52px); }
.songs-heading p:last-child { margin: 10px 0 0; color: #64718d; font-size: 18px; }
.songs-online-status, .song-cache-status { min-height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; background: #dcfce7; color: #166534; font-size: 14px; font-weight: 900; white-space: nowrap; }
.songs-online-status.is-offline { background: #eef1f6; color: #667085; }
.songs-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.song-card { min-width: 0; padding: 0; overflow: hidden; border-radius: 24px; background: rgba(255,255,255,0.96); border: 1px solid rgba(123,137,172,0.14); box-shadow: 0 14px 32px rgba(90,100,160,0.1); text-align: left; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.song-card:hover { transform: translateY(-3px); box-shadow: 0 20px 38px rgba(90,100,160,0.16); }
.song-poster-wrap { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, #d8d1ff, #bceaff); }
.song-poster, .song-poster-placeholder { width: 100%; height: 100%; object-fit: cover; display: grid; place-items: center; font-size: 56px; }
.song-play-icon { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 54px; height: 54px; display: grid; place-items: center; padding-left: 4px; border-radius: 999px; background: rgba(255,255,255,.9); color: #6453ff; font-size: 22px; box-shadow: 0 10px 30px rgba(29,39,77,.24); }
.song-duration { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; border-radius: 8px; background: rgba(20,25,40,.78); color: white; font-size: 12px; font-weight: 800; }
.song-card-body { display: grid; gap: 7px; padding: 15px 16px 17px; }
.song-card-body strong { min-height: 2.7em; color: #25314d; font-size: 18px; line-height: 1.35; }
.song-card-meta { color: #7b87a2; font-size: 13px; }
.song-cache-badge { width: fit-content; min-height: 28px; padding: 0 10px; display: inline-flex; align-items: center; border-radius: 999px; background: #eef2ff; color: #6674a6; font-size: 12px; font-weight: 900; }
.song-cache-badge.is-cached { background: #dcfce7; color: #166534; }
.song-cache-badge.is-caching { background: #fff3c4; color: #8a5b00; }
.songs-empty { padding: 80px 20px; text-align: center; color: #7b87a2; font-size: 22px; }
.song-player-open { overflow: hidden; }
.song-player-overlay { position: fixed; inset: 0; z-index: 100; padding: max(18px, env(safe-area-inset-top)) 22px max(18px, env(safe-area-inset-bottom)); background: #10131d; color: white; }
.song-player-overlay[hidden] { display: none !important; }
.song-player-shell { height: 100%; display: grid; grid-template-rows: auto minmax(0,1fr); gap: 18px; }
.song-player-header { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; text-align: center; }
.song-player-header h1 { margin: 0; font-size: clamp(24px, 3vw, 38px); }
.song-player-header .eyebrow { color: rgba(255,255,255,.58); }
.song-player-header .ghost-btn { color: white; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.18); }
.song-cache-status { background: rgba(255,255,255,.12); color: #e7e9f2; }
.song-video-stage { min-height: 0; display: grid; place-items: center; overflow: hidden; }
.song-video-stage video { width: 100%; height: 100%; max-height: calc(100vh - 130px); object-fit: contain; background: #000; border-radius: 18px; }
.song-admin-list { display: grid; gap: 14px; }
.song-admin-row { display: grid; grid-template-columns: 180px minmax(240px,1fr) auto 90px auto; gap: 16px; align-items: center; padding: 14px; border-radius: 18px; background: #f9fbff; border: 1px solid rgba(123,137,172,.12); }
.song-admin-poster { width: 180px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; background: #e9edff; }
.song-admin-poster--empty { display: grid; place-items: center; font-size: 36px; }
.song-admin-main { min-width: 0; }
.song-admin-meta { margin-top: 7px; color: #7b87a2; font-size: 13px; }
.song-admin-actions { display: grid; gap: 8px; }

@media (orientation: portrait), (max-width: 900px) {
  .songs-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .songs-header { grid-template-columns: auto 1fr; }
  .songs-online-status { grid-column: 1 / -1; justify-self: center; }
  .song-player-header { grid-template-columns: auto 1fr; }
  .song-cache-status { grid-column: 1 / -1; justify-self: center; }
  .song-admin-row { grid-template-columns: 130px minmax(0,1fr); }
  .song-admin-poster { width: 130px; }
  .song-admin-row > .toggle-field, .song-admin-order, .song-admin-actions { grid-column: 2; }
  .song-admin-actions { display: flex; }
}

@media (max-width: 560px) {
  .songs-page { padding: 18px 14px; }
  .songs-grid { gap: 12px; }
  .songs-header { align-items: start; }
  .songs-heading h1 { font-size: 30px; }
  .songs-heading p:last-child { font-size: 14px; }
  .songs-back-btn { min-height: 48px; padding: 0 15px; font-size: 16px; }
  .song-card-body { padding: 12px; }
  .song-card-body strong { font-size: 15px; }
  .song-player-overlay { padding-left: 10px; padding-right: 10px; }
  .song-player-header { gap: 10px; }
  .song-player-header .ghost-btn { min-height: 48px; padding: 0 14px; font-size: 15px; }
}