/* ── Schedules mobile cards: recurring, one-time, responsive show/hide
   Prefix: m-
   Tokens: Academic Curator Design System (colors_and_type.css)
─────────────────────────────────────────────────────────── */

/* ── Mobile day group ────────────────────────────────────── */
.m-day-group {
  margin-bottom: var(--space-4);
}

.m-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-1) var(--space-2);
  margin-bottom: var(--space-2);
}

.m-day-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-primary-700);
  border-left: 3px solid var(--color-primary-500);
  padding-left: var(--space-2);
}

.m-day-count {
  font-size: var(--text-xs);
  color: var(--fg-tertiary);
}

/* ── Mobile recurring card ───────────────────────────────── */
.m-recur-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.m-recur-card + .m-recur-card {
  margin-top: var(--space-2);
}

.m-recur-top {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border-default);
}

.m-recur-times {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.m-time-input {
  padding: 6px 8px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--fg-primary);
  background: var(--color-neutral-50);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
  cursor: pointer;
  min-width: 0;
  flex: 1;
}

.m-time-input:focus {
  border-color: var(--color-primary-600);
  background: var(--bg-surface);
  box-shadow: var(--shadow-focus);
}

.m-classroom-badge {
  padding: 4px 22px 4px 10px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-700);
  background-color: var(--color-primary-light);
  background-image: url("data:image/svg+xml,%3Csvg width='8' height='5' viewBox='0 0 8 5' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l3 3 3-3' stroke='%231a4fcf' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  appearance: none;
  outline: none;
}

.m-classroom-badge:focus {
  box-shadow: var(--shadow-focus);
}

.m-recur-bottom {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
}

.m-tutor-input {
  flex: 1;
  padding: 6px 8px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--fg-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
  min-width: 0;
}

.m-tutor-input::placeholder {
  color: var(--fg-tertiary);
}

.m-tutor-input:hover {
  border-color: var(--border-default);
  background: var(--bg-surface);
}

.m-tutor-input:focus {
  border-color: var(--color-primary-600);
  background: var(--bg-surface);
  box-shadow: var(--shadow-focus);
}

.m-delete-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--fg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.m-delete-btn:hover {
  color: var(--color-danger);
  background: var(--color-danger-light);
}

.m-add-day-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-600);
  background: var(--color-primary-50);
  border: 1px dashed var(--color-primary-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  margin-top: var(--space-2);
}

.m-add-day-btn:hover {
  background: var(--color-primary-100);
  border-color: var(--color-primary-400);
}

/* ── Mobile one-time card ────────────────────────────────── */
.m-onetime-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--space-3);
}

.m-ot-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border-default);
  background: var(--color-neutral-50);
}

.m-ot-date-input {
  padding: 5px 8px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--fg-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.m-ot-date-input:focus {
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-focus);
}

.m-ot-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.m-ot-subject {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--fg-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.m-ot-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.m-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m-field-label {
  font-size: var(--text-micro);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--fg-tertiary);
}

.m-field-input {
  width: 100%;
  padding: 9px 10px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--fg-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-fast);
  min-height: 44px;
}

.m-field-input::placeholder {
  color: var(--fg-tertiary);
}

.m-field-input:focus {
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-focus);
}

.m-field-input[type="time"],
.m-field-input[type="date"] {
  cursor: pointer;
}

.m-add-onetime-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-700);
  background: var(--bg-surface);
  border: 1px dashed var(--color-primary-300);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.m-add-onetime-btn:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-500);
}

/* ── Overflow button (mobile) ────────────────────────────── */
.m-overflow-btn {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: transparent; border: none; cursor: pointer;
  color: var(--fg-tertiary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: var(--transition-fast); position: relative;
}

.m-overflow-btn:hover,
.m-overflow-btn.open { background: var(--color-neutral-100); color: var(--fg-primary); }

/* ── Responsive show/hide ────────────────────────────────── */
@media (min-width: 768px) {
  .m-day-group       { display: none; }
  .m-onetime-card    { display: none; }
  .m-add-onetime-btn { display: none; }
  .m-add-day-btn     { display: none; }
}