/**
 * Course Monitor — frontend
 * Usa variabili del tema (theme.json / custom properties) con fallback sensati.
 */

.cm-app {
  --cm-bg: var(--wp--preset--color--background, var(--wp--preset--color--base, #fff));
  --cm-surface: var(--wp--preset--color--surface, color-mix(in srgb, var(--cm-text) 4%, var(--cm-bg)));
  --cm-text: var(--wp--preset--color--foreground, var(--wp--preset--color--contrast, currentColor));
  --cm-muted: color-mix(in srgb, var(--cm-text) 62%, transparent);
  --cm-border: color-mix(in srgb, var(--cm-text) 16%, transparent);
  --cm-primary: var(--wp--preset--color--primary, var(--wp--preset--color--accent, #2271b1));
  --cm-primary-contrast: var(--wp--preset--color--base, #fff);
  --cm-danger: var(--wp--preset--color--vivid-red, #b32d2e);
  --cm-ok: var(--wp--preset--color--vivid-green-cyan, #1e7a46);
  --cm-warn: var(--wp--preset--color--luminous-vivid-orange, #c27600);
  --cm-radius: var(--wp--custom--border-radius, 0.5rem);
  --cm-font: inherit;
  --cm-gap: 1rem;
  --cm-shadow: 0 1px 2px color-mix(in srgb, var(--cm-text) 8%, transparent);

  color: var(--cm-text);
  font-family: var(--cm-font);
  line-height: 1.5;
  max-width: 100%;
}

.cm-app *,
.cm-app *::before,
.cm-app *::after {
  box-sizing: border-box;
}

.cm-loading {
  margin: 0;
  color: var(--cm-muted);
}

.cm-loading--inline {
  font-size: 0.9em;
}

.cm-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--cm-radius);
  border: 1px solid var(--cm-border);
  margin-bottom: var(--cm-gap);
  background: var(--cm-surface);
}

.cm-alert--error {
  border-color: color-mix(in srgb, var(--cm-danger) 45%, var(--cm-border));
  color: var(--cm-danger);
}

.cm-section-title,
.cm-detail-title,
.cm-card__title {
  font-family: inherit;
  color: inherit;
  margin: 0 0 0.5rem;
  font-weight: 600;
  line-height: 1.25;
}

.cm-detail-title {
  font-size: 1.5rem;
}

.cm-section-title {
  font-size: 1.15rem;
}

.cm-muted {
  color: var(--cm-muted);
  font-size: 0.92em;
}

.cm-link {
  color: var(--cm-primary);
}

.cm-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}

.cm-section {
  margin: 1.5rem 0;
  padding-top: 0.25rem;
}

.cm-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.cm-detail-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--cm-border);
}

/* Buttons — allineati al look WP / tema */
.cm-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--cm-radius);
  border: 1px solid var(--cm-border);
  background: var(--cm-bg);
  color: var(--cm-text);
  font: inherit;
  font-size: 0.95em;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.3;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.cm-btn:hover,
.cm-btn:focus-visible {
  border-color: color-mix(in srgb, var(--cm-primary) 55%, var(--cm-border));
  color: var(--cm-primary);
  outline: none;
}

.cm-btn--primary {
  background: var(--cm-primary);
  border-color: var(--cm-primary);
  color: var(--cm-primary-contrast);
}

.cm-btn--primary:hover,
.cm-btn--primary:focus-visible {
  filter: brightness(1.05);
  color: var(--cm-primary-contrast);
}

.cm-btn--danger {
  color: var(--cm-danger);
  border-color: color-mix(in srgb, var(--cm-danger) 40%, var(--cm-border));
}

.cm-btn--ghost {
  background: transparent;
  border-color: transparent;
  padding-left: 0;
}

.cm-btn--small {
  padding: 0.25rem 0.55rem;
  font-size: 0.85em;
}

/* Cards list */
.cm-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--cm-gap);
}

.cm-card {
  background: var(--cm-surface);
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  padding: 1rem 1.1rem;
  cursor: pointer;
  box-shadow: var(--cm-shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.cm-card:hover,
.cm-card:focus-visible {
  border-color: color-mix(in srgb, var(--cm-primary) 50%, var(--cm-border));
  outline: none;
}

.cm-card__meta {
  margin: 0 0 0.75rem;
  color: var(--cm-muted);
  font-size: 0.9em;
}

.cm-card__shortcode {
  margin: 0.75rem 0 0;
  font-size: 0.8em;
}

.cm-card__shortcode code {
  font-size: 0.95em;
  background: color-mix(in srgb, var(--cm-text) 6%, transparent);
  padding: 0.15rem 0.35rem;
  border-radius: calc(var(--cm-radius) * 0.6);
}

.cm-empty {
  color: var(--cm-muted);
  margin: 0.5rem 0;
}

/* Stats */
.cm-stats {
  margin: 1rem 0 1.5rem;
}

.cm-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.cm-stat {
  background: var(--cm-surface);
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cm-stat__value {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cm-primary);
}

.cm-stat__label {
  font-size: 0.85em;
  color: var(--cm-muted);
}

.cm-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.cm-stat-row {
  display: grid;
  grid-template-columns: minmax(100px, 180px) 1fr;
  gap: 0.75rem;
  align-items: center;
}

.cm-stat-row__name {
  font-size: 0.95em;
}

.cm-bar {
  position: relative;
  height: 1.35rem;
  background: color-mix(in srgb, var(--cm-text) 8%, transparent);
  border-radius: 999px;
  overflow: hidden;
}

.cm-bar__fill {
  display: block;
  height: 100%;
  background: var(--cm-primary);
  border-radius: inherit;
  transition: width 0.25s ease;
}

.cm-bar__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cm-text);
  mix-blend-mode: difference;
}

/* Forms */
.cm-form {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  margin: 0.75rem 0 1rem;
  background: var(--cm-surface);
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
}

.cm-form--inline {
  grid-template-columns: 1fr auto;
  align-items: end;
  padding: 0.75rem;
}

.cm-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92em;
}

.cm-app input[type="text"],
.cm-app input[type="url"],
.cm-app input[type="number"],
.cm-app select {
  font: inherit;
  color: var(--cm-text);
  background: var(--cm-bg);
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  padding: 0.45rem 0.65rem;
  width: 100%;
}

.cm-app input:focus,
.cm-app select:focus {
  outline: 2px solid color-mix(in srgb, var(--cm-primary) 45%, transparent);
  outline-offset: 1px;
  border-color: var(--cm-primary);
}

.cm-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Modules & assignees */
.cm-module-list,
.cm-chips {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cm-module-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cm-module-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  background: var(--cm-surface);
}

.cm-module-item__main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.cm-module-item__actions {
  display: flex;
  gap: 0.35rem;
}

.cm-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.cm-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--cm-border);
  background: var(--cm-surface);
  font-size: 0.9em;
}

.cm-chip__remove {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--cm-muted);
  cursor: pointer;
  font-size: 1.1em;
  line-height: 1;
  padding: 0 0.1rem;
}

.cm-chip__remove:hover {
  color: var(--cm-danger);
}

/* Progress matrix */
.cm-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--cm-border);
  border-radius: var(--cm-radius);
  background: var(--cm-bg);
}

.cm-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92em;
  min-width: 420px;
}

.cm-matrix th,
.cm-matrix td {
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--cm-border);
  border-right: 1px solid var(--cm-border);
  text-align: left;
  vertical-align: middle;
}

.cm-matrix th:last-child,
.cm-matrix td:last-child {
  border-right: 0;
}

.cm-matrix thead th {
  background: var(--cm-surface);
  font-weight: 600;
  white-space: nowrap;
}

.cm-matrix tbody th {
  font-weight: 500;
  min-width: 140px;
}

.cm-status {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.85em;
  font-weight: 600;
  border: 1px solid transparent;
}

.cm-status--not_started {
  background: color-mix(in srgb, var(--cm-muted) 18%, transparent);
  color: var(--cm-muted);
}

.cm-status--in_progress {
  background: color-mix(in srgb, var(--cm-warn) 18%, transparent);
  color: var(--cm-warn);
  border-color: color-mix(in srgb, var(--cm-warn) 30%, transparent);
}

.cm-status--completed {
  background: color-mix(in srgb, var(--cm-ok) 18%, transparent);
  color: var(--cm-ok);
  border-color: color-mix(in srgb, var(--cm-ok) 30%, transparent);
}

.cm-status-select {
  min-width: 9.5rem;
  font-size: 0.85em !important;
  font-weight: 600;
  padding: 0.3rem 0.45rem !important;
}

.cm-status-select.cm-status--not_started {
  background: color-mix(in srgb, var(--cm-muted) 12%, var(--cm-bg));
}

.cm-status-select.cm-status--in_progress {
  background: color-mix(in srgb, var(--cm-warn) 12%, var(--cm-bg));
}

.cm-status-select.cm-status--completed {
  background: color-mix(in srgb, var(--cm-ok) 12%, var(--cm-bg));
}

@media (max-width: 640px) {
  .cm-stat-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .cm-form--inline {
    grid-template-columns: 1fr;
  }

  .cm-detail-header {
    flex-direction: column;
  }
}