/* Surfaces: hero, stat cards, day cards, lesson rows, resource cards, lab preview. */

.card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-2xl);
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  min-width: 0;
}

.card--primary { background: var(--surface-primary); border-color: var(--border-primary); }
.card--panel { background: var(--surface-panel); border-color: var(--border-panel); }
.card--lg { padding: 18px; border-radius: var(--r-3xl); gap: 10px; }
.card--xl { padding: var(--sp-6); border-radius: var(--r-3xl); gap: var(--sp-4); }

.card__title { font-size: var(--fs-17); font-weight: 700; color: var(--text-title); }
.card__text { font-size: var(--fs-12); color: var(--text-muted); }

.card-link {
  color: inherit;
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-fast) ease, box-shadow var(--dur-med) ease;
}

.card-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-card));
}

.card-link:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ---- Hero ----------------------------------------------------------------- */
.hero {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: var(--sp-6);
  padding: var(--sp-6);
  min-height: 230px;
  border-radius: var(--r-5xl);
  background: var(--surface-primary);
  border: 1px solid var(--border-primary);
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  max-width: 760px;
  min-width: 0;
}

.hero__title {
  font-size: var(--fs-30);
  font-weight: 700;
  max-width: 720px;
}

.hero__lead {
  font-size: var(--fs-14);
  color: var(--text-body);
  max-width: 700px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.hero__title-short,
.hero__lead-short {
  display: none;
}

.progress-module {
  position: relative;
  flex: none;
  width: 250px;
  min-height: 182px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--r-3xl);
  background: var(--surface-well);
  border: 1px solid var(--border-well);
}

.progress-module__label {
  font-size: var(--fs-10);
  font-weight: 600;
  color: #6d8198;
  letter-spacing: 0.02em;
}

:root[data-theme="light"] .progress-module__label {
  color: var(--text-dim);
}

/* ---- Stat card ------------------------------------------------------------ */
.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-4);
  min-height: 104px;
  border-radius: var(--r-xl);
  background: var(--surface-stat);
  border: 1px solid var(--border-stat);
}

.stat-card__value {
  font-size: var(--fs-26);
  font-weight: 700;
  line-height: var(--lh);
  color: var(--stat-color, var(--accent-text));
  font-variant-numeric: tabular-nums;
}

.stat-card__label {
  font-size: var(--fs-11);
  font-weight: 500;
  color: var(--text-muted);
}

.stat--teal { --stat-color: var(--accent-text); }
.stat--sky { --stat-color: var(--sky); }
.stat--violet { --stat-color: var(--violet); }
.stat--amber { --stat-color: var(--amber); }
.stat--rose { --stat-color: var(--rose); }

/* ---- Day card -------------------------------------------------------------- */
.accent-teal { --day-accent: var(--day-teal); --day-bg: var(--day-teal-bg); }
.accent-sky { --day-accent: var(--day-sky); --day-bg: var(--day-sky-bg); }
.accent-violet { --day-accent: var(--day-violet); --day-bg: var(--day-violet-bg); }
.accent-amber { --day-accent: var(--day-amber); --day-bg: var(--day-amber-bg); }
.accent-rose { --day-accent: var(--day-rose); --day-bg: var(--day-rose-bg); }

.day-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 222px;
  padding: var(--sp-4);
  border-radius: var(--r-2xl);
  background: var(--day-bg, var(--surface-card));
  border: 1px solid var(--border-card);
}

.day-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 28px;
}

.day-card__title {
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--text-title);
}

.day-card__text {
  font-size: var(--fs-11);
  color: #9fb0c7;
}

:root[data-theme="light"] .day-card__text {
  color: var(--text-body);
}

.day-card .progress {
  margin-top: auto;
}

.day-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-10);
  min-height: 20px;
}

.day-card__status {
  font-weight: 500;
  color: #718096;
}

.day-card__status[data-started="true"] {
  color: var(--accent-text);
}

.day-card__open {
  font-weight: 600;
  color: #dce7f7;
}

:root[data-theme="light"] .day-card__open {
  color: var(--text-strong);
}

:root[data-theme="light"] .day-card__status {
  color: var(--text-dim);
}

/* Mobile day card */
.day-card-mobile {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 88px;
  padding: 14px;
  border-radius: var(--r-xl);
  background: var(--surface-card);
  border: 1px solid var(--border-card);
}

.day-card-mobile__copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.day-card-mobile__title {
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--text-title);
}

.day-card-mobile__meta {
  font-size: var(--fs-10);
  color: #8295aa;
}

.day-card-mobile__arrow {
  color: var(--pill-text);
  display: grid;
  place-items: center;
}

.day-card-mobile__arrow svg {
  width: 18px;
  height: 18px;
}

.grid-days-mobile {
  display: none;
  flex-direction: column;
  gap: var(--sp-4);
}

/* ---- Lesson row (dashboard "Today" list + design-system sample) ------------- */
.lesson-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lesson-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 42px;
  padding: 0 6px;
  margin: 0 -6px;
  border-radius: var(--r-md);
  color: inherit;
  transition: background var(--dur-fast) ease;
}

a.lesson-row:hover {
  background: var(--nav-hover-bg);
}

a.lesson-row:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.lesson-row__left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.lesson-row__name {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.lesson-row__title {
  font-size: var(--fs-12);
  font-weight: 600;
  color: var(--text-lesson);
}

.lesson-row__meta {
  font-size: var(--fs-10);
  color: #687d95;
}

.lesson-row__status {
  flex: none;
  font-size: var(--fs-10);
  font-weight: 600;
  color: #71839a;
}

.lesson-row__status[data-state="done"] { color: var(--accent-text); }
.lesson-row__status[data-state="progress"] { color: var(--amber); }

:root[data-theme="light"] .lesson-row__meta,
:root[data-theme="light"] .lesson-row__status {
  color: var(--text-dim);
}

:root[data-theme="light"] .lesson-row__status[data-state="done"] { color: var(--accent-text); }
:root[data-theme="light"] .lesson-row__status[data-state="progress"] { color: var(--amber); }

/* Module row (lesson outline) */
.module-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.module-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: var(--sp-3);
  border-radius: var(--r-lg);
  background: var(--surface-row);
  border: 1px solid var(--border-row);
  color: inherit;
  text-align: left;
  width: 100%;
  transition: border-color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out), background var(--dur-fast) ease;
}

a.module-row:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border-row));
  transform: translateX(2px);
}

a.module-row:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.module-row[aria-current="true"] {
  background: var(--surface-row-active);
  border-color: var(--border-row-active);
}

.module-row__copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.module-row__title {
  font-size: var(--fs-12);
  font-weight: 500;
  color: var(--text-strong);
}

.module-row[aria-current="true"] .module-row__title {
  font-weight: 600;
}

.module-row__meta {
  font-size: var(--fs-10);
  color: var(--text-dim);
}

.module-row__done {
  flex: none;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: var(--r-pill);
  background: var(--accent-soft-bg);
  color: var(--accent-text);
}

.module-row__done svg {
  width: 12px;
  height: 12px;
}

.outline-label {
  font-size: var(--fs-10);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.outline-divider {
  margin-top: 6px;
}

/* ---- Today module + lab preview ---------------------------------------------- */
.today-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 46px;
}

.today-header__title { font-size: var(--fs-18); font-weight: 700; color: var(--text-title); }
.today-header__sub { font-size: var(--fs-11); color: var(--text-muted); }

.lab-preview {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  border-radius: var(--r-3xl);
  background: var(--surface-lab);
  border: 1px solid var(--border-lab);
}

.lab-preview__title { font-size: var(--fs-18); font-weight: 700; color: var(--text-title); }
.lab-preview__text { font-size: var(--fs-12); color: #90a4bc; }

:root[data-theme="light"] .lab-preview__text { color: var(--text-body); }

/* ---- Resource card ------------------------------------------------------------- */
.resource-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  min-height: 238px;
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  background: var(--surface-card);
  border: 1px solid var(--border-card);
}

.resource-card__title { font-size: var(--fs-17); font-weight: 700; color: var(--text-title); }
.resource-card__text { font-size: var(--fs-12); color: var(--text-muted); }

.resource-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: var(--fs-11);
  font-weight: 600;
  color: var(--cyan);
  border-radius: var(--r-sm);
}

.resource-card__link svg {
  width: 12px;
  height: 12px;
}

.resource-card__link:hover { text-decoration: underline; text-underline-offset: 3px; }
.resource-card__link:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.resource-card__stretch::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.resource-card { position: relative; }

.resource-card:hover {
  border-color: color-mix(in srgb, var(--cyan) 40%, var(--border-card));
}

/* ---- Learner / meta list ------------------------------------------------------- */
.kv-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px var(--sp-4);
  font-size: var(--fs-12);
}

.kv-list dt { color: var(--text-dim); }
.kv-list dd { color: var(--text-strong); font-weight: 500; word-break: break-all; }