/* Giao diện con — tông dịu, đồng bộ trang chủ */
.pkl-body.pkl-child-mode {
  background: #d4ddd8;
  min-height: 100vh;
}

.pkl-child-app { padding-bottom: 48px; }

.pkl-site-header.pkl-child-mode-header {
  background: rgba(220, 228, 223, 0.95);
  border-bottom: 1px solid rgba(58, 79, 72, 0.1);
}

.pkl-site-header.pkl-child-mode-header .pkl-brand,
.pkl-site-header.pkl-child-mode-header .pkl-nav a,
.pkl-site-header.pkl-child-mode-header .pkl-nav-user {
  color: #4a5f58;
}

.pkl-child-hero {
  text-align: center;
  padding: 32px 24px 20px;
  color: #3a4f48;
}

.pkl-child-badge {
  display: inline-block;
  background: #c8d8d0;
  color: #3d5c50;
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.pkl-child-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 700;
  color: #354840;
}

.pkl-child-sub {
  margin: 0;
  color: #5c6f66;
  font-size: 1rem;
}

.pkl-child-panel {
  background: #e4ebe6;
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: none;
  border: 1px solid rgba(58, 79, 72, 0.1);
}

.pkl-child-toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.pkl-date-block {
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.pkl-date-label {
  margin: 0 0 14px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6a857c;
  font-weight: 700;
}

.pkl-date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.pkl-date-arrow {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(58, 79, 72, 0.12);
  border-radius: 50%;
  background: #d8e0db;
  color: #4d6d60;
  box-shadow: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.pkl-date-arrow:hover {
  background: #cfd9d3;
  transform: none;
  box-shadow: none;
}

.pkl-date-arrow:active {
  background: #c5d0ca;
}

.pkl-date-center {
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 240px;
}

.pkl-date-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: 0;
  top: 0;
}

.pkl-date-face {
  width: 100%;
  min-height: 68px;
  padding: 12px 16px 10px;
  border: 1px solid rgba(58, 79, 72, 0.15);
  border-radius: 16px;
  background: #d8e0db;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.pkl-date-face:hover {
  border-color: rgba(58, 79, 72, 0.25);
  background: #cfd9d3;
  transform: none;
  box-shadow: none;
}

.pkl-date-face-value {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
  color: #354840;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.pkl-date-face-hint {
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7f76;
}

.pkl-date-today {
  margin-top: 12px;
  padding: 8px 18px;
  border: 1px solid rgba(58, 79, 72, 0.12);
  border-radius: 999px;
  background: #c8d4cc;
  color: #3d5c50;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease;
}

.pkl-date-today:hover {
  background: #bccbc2;
}

.pkl-btn-child-wide {
  width: 100%;
  max-width: 420px;
  padding: 13px 22px;
  font-size: 1rem;
  border-radius: 12px;
  box-shadow: none;
}

.pkl-child-de-card.disabled {
  cursor: pointer;
  opacity: 0.85;
}

.pkl-input-light {
  background: #f5faf8;
  border: 1px solid #c5d9d2;
  color: #2f4a42;
  margin-top: 6px;
  width: 4.5rem;
  border-radius: 10px;
  padding: 8px 10px;
}

.pkl-input-light:focus {
  outline: none;
  border-color: #7eb8a4;
  box-shadow: 0 0 0 3px rgba(126, 184, 164, 0.25);
}

.pkl-btn-child {
  background: #5a7d6e;
  color: #eef2ef;
  border: none;
  font-weight: 600;
  box-shadow: none;
}

.pkl-btn-child:hover {
  background: #4d6d60;
}

.pkl-btn-ghost-light {
  background: #d0dcd4;
  border: 1px solid rgba(58, 79, 72, 0.12);
  color: #4a5f58;
  font-weight: 600;
}

.pkl-btn-submit {
  background: #6a8f78;
}

.pkl-child-notice {
  padding: 16px 18px;
  border-radius: 12px;
  margin-bottom: 18px;
  background: #d0dcd4;
  border: 1px solid rgba(58, 79, 72, 0.1);
}

.pkl-child-notice.future {
  background: #ddd4c8;
  border-color: rgba(92, 80, 64, 0.15);
  text-align: center;
}

.pkl-child-notice.future h3 {
  color: #8a6d3b;
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.pkl-child-notice.future p {
  color: #6b5a40;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.5;
}

.pkl-child-notice.past {
  background: #eef6ff;
  border-color: #c5d9f0;
}

.pkl-child-notice.past h3,
.pkl-child-notice.today h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: #3d524c;
}

.pkl-child-notice.past p,
.pkl-child-notice.today p {
  margin: 0;
  color: #5c726a;
  font-size: 0.95rem;
}

.pkl-child-de-list {
  display: grid;
  gap: 12px;
}

.pkl-child-de-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid rgba(58, 79, 72, 0.1);
  background: #d8e0db;
  cursor: pointer;
  transition: background 0.2s;
}

.pkl-child-de-card:hover:not(.disabled) {
  border-color: rgba(58, 79, 72, 0.18);
  background: #cfd9d3;
}

.pkl-child-de-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pkl-child-de-card h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  color: #2f4a42;
  font-weight: 600;
}

.pkl-child-de-card p {
  margin: 0;
  color: #6b8078;
  font-size: 0.88rem;
}

.pkl-child-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: #d4ebe3;
  color: #3d6b5c;
  white-space: nowrap;
}

.pkl-child-tag.warn {
  background: #f5ebe0;
  color: #8a6d4b;
}

.pkl-child-tag.replay {
  background: #e0eaf5;
  color: #4a6a8a;
}

.pkl-child-empty {
  text-align: center;
  color: #6b8078;
  padding: 32px;
}

.pkl-child-lamlai {
  text-align: center;
  color: #4a6a8a;
  font-size: 0.95rem;
  margin: 0 0 12px;
  padding: 10px;
  background: #eef4fa;
  border-radius: 10px;
}

.pkl-child-quiz-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.pkl-child-progress-wrap {
  flex: 1;
  min-width: 120px;
  height: 8px;
  background: #e5ebe8;
  border-radius: 999px;
  overflow: hidden;
}

.pkl-child-progress-bar {
  height: 100%;
  width: 0%;
  background: #9ccbb8;
  border-radius: 999px;
  transition: width 0.3s ease;
}

.pkl-child-progress-text {
  font-weight: 600;
  color: #5c726a;
  font-size: 0.88rem;
}

.pkl-child-question-card {
  background: #fafcf9;
  border-radius: 16px;
  padding: 22px;
  border: 1px solid #dce8e4;
  margin-bottom: 18px;
}

.pkl-child-question-card h2 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: #5c8a7a;
  font-weight: 600;
}

.pkl-child-question-card p {
  margin: 0 0 18px;
  font-size: 1.08rem;
  font-weight: 600;
  color: #2f4a42;
  line-height: 1.55;
  white-space: pre-wrap;
}

.pkl-child-options {
  display: grid;
  gap: 10px;
}

.pkl-child-opt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #dce8e4;
  background: #fff;
  font-size: 0.98rem;
  color: #3d524c;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.pkl-child-opt:hover {
  border-color: #b8d4c8;
  background: #f5faf8;
}

.pkl-child-opt.selected {
  border-color: #7eb8a4;
  background: #e8f4ef;
  color: #2f4a42;
  font-weight: 600;
}

.pkl-child-quiz-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pkl-child-result-card {
  text-align: center;
  padding: 16px;
}

.pkl-child-result-card h2 {
  font-size: 1.4rem;
  color: #2f4a42;
  margin: 0 0 12px;
}

.pkl-child-result-score {
  font-size: 1.75rem;
  font-weight: 700;
  color: #5c8a7a;
  margin: 0 0 8px;
}

.pkl-child-result-msg {
  color: #6b8078;
  margin: 0 0 20px;
}

.pkl-result-log {
  text-align: left;
  background: #f5faf8;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  max-height: 240px;
  overflow-y: auto;
  color: #3d524c;
  border: 1px solid #e5ebe8;
}