/* ============================================================
   appointments.css — Discipline Office Appointment System
   Matches the existing dark-theme design (style.css variables)
   ============================================================ */

/* ── Student Tab Navigation ──────────────────────────────────────────────── */

.student-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--surface2);
  padding-bottom: 0;
}

.student-tab {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 1rem 0.65rem;
  transition: color 0.18s, border-color 0.18s;
  font-family: var(--font);
}

.student-tab:hover {
  color: var(--text);
}

.student-tab.active {
  color: #a855f7;
  border-bottom-color: #a855f7;
  font-weight: 600;
}

/* ── Student Sub-panels ───────────────────────────────────────────────────── */

.student-subpanel {
  display: none;
}

.student-subpanel.active {
  display: block;
}

/* ── Shared Appointment Layout ────────────────────────────────────────────── */

.appt-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.appt-card {
  background: rgba(14,8,38,0.80);
  border: 1px solid rgba(168,85,247,0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.appt-card-title {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.appt-card-subtitle {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Form Styles ─────────────────────────────────────────────────────────── */

.appt-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.appt-form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.appt-form-row label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.appt-form-row select,
.appt-form-row input[type="date"],
.appt-form-row input[type="time"],
.appt-form-row textarea {
  background: rgba(22,12,55,0.80);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.55rem 0.75rem;
  transition: border-color 0.18s;
  width: 100%;
}

.appt-form-row select:focus,
.appt-form-row input:focus,
.appt-form-row textarea:focus {
  border-color: rgba(168,85,247,0.55);
  outline: none;
}

.appt-form-row select:disabled,
.appt-form-row input:disabled,
.appt-form-row textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.appt-form-row textarea {
  resize: vertical;
  min-height: 72px;
}

.appt-form-row--half {
  flex-direction: row;
  gap: 1rem;
}

.appt-form-row--half > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.required { color: var(--danger); margin-left: 2px; }
.optional { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.appt-btn {
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  transition: opacity 0.18s, transform 0.1s;
}

.appt-btn:hover:not(:disabled) {
  opacity: 0.88;
  transform: translateY(-1px);
}

.appt-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.appt-btn-primary {
  background: linear-gradient(135deg, #5b21b6 0%, #7c3aed 45%, #9333ea 100%);
  color: #fff;
}

.appt-btn-accept {
  background: var(--success);
  color: #fff;
}

.appt-btn-decline {
  background: var(--danger);
  color: #fff;
}

/* ── Status Badges ───────────────────────────────────────────────────────── */

.appt-badge {
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  white-space: nowrap;
}

.appt-badge-pending  { background: rgba(210, 153, 34, 0.18); color: var(--warning); }
.appt-badge-accepted { background: rgba(63, 185, 80, 0.18);  color: var(--success); }
.appt-badge-declined { background: rgba(248, 81, 73, 0.18);  color: var(--danger);  }

/* Count badge (for DO header) */
.appt-badge-count {
  align-items: center;
  background: var(--danger);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 700;
  height: 22px;
  justify-content: center;
  margin-left: 0.5rem;
  min-width: 22px;
  padding: 0 0.4rem;
  vertical-align: middle;
}

/* ── Alert Messages ──────────────────────────────────────────────────────── */

.appt-alert {
  border-left: 3px solid #a855f7;
  background: rgba(22,12,55,0.80);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  padding: 0.6rem 0.9rem;
  color: var(--text);
}

.appt-alert-success { border-left-color: var(--success); }
.appt-alert-error   { border-left-color: var(--danger);  }
.appt-alert-info    { border-left-color: #a855f7;  }

.appt-notice {
  border-left: 3px solid var(--warning);
  background: rgba(210, 153, 34, 0.1);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  padding: 0.6rem 0.9rem;
  color: var(--warning);
}

/* ── Student Request Cards ───────────────────────────────────────────────── */

.appt-request-card {
  background: rgba(22,12,55,0.80);
  border: 1px solid rgba(168,85,247,0.15);
  border-left: 4px solid var(--text-muted);
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
  padding: 1rem 1.1rem;
}

.appt-status-pending  .appt-request-card,
.appt-request-card.appt-status-pending  { border-left-color: var(--warning); }
.appt-request-card.appt-status-accepted { border-left-color: var(--success); }
.appt-request-card.appt-status-declined { border-left-color: var(--danger);  }

.appt-request-header {
  align-items: flex-start;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.appt-request-header > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.appt-request-details {
  color: var(--text-muted);
  display: flex;
  font-size: 0.85rem;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.appt-request-msg {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0.35rem 0;
}

.appt-response-box {
  background: rgba(124,58,237,0.10);
  border: 1px solid rgba(168,85,247,0.28);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-top: 0.6rem;
  padding: 0.65rem 0.85rem;
}

.appt-response-box p { margin: 0.25rem 0 0; }

/* ── DO Dashboard ────────────────────────────────────────────────────────── */

.appt-do-header {
  margin-bottom: 1.25rem;
}

.appt-do-header h2 {
  margin: 0 0 0.35rem;
}

/* Filter tabs */
.appt-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.appt-tab {
  background: rgba(22,12,55,0.80);
  border: 1px solid rgba(168,85,247,0.15);
  border-radius: 999px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  transition: background 0.18s, color 0.18s;
}

.appt-tab:hover {
  background: rgba(14,8,38,0.80);
  color: var(--text);
}

.appt-tab-active {
  background: linear-gradient(135deg, #5b21b6 0%, #7c3aed 45%, #9333ea 100%);
  border-color: rgba(168,85,247,0.55);
  color: #fff;
  font-weight: 600;
}

/* DO request cards */
.appt-do-card {
  background: rgba(14,8,38,0.80);
  border: 1px solid rgba(168,85,247,0.15);
  border-left: 4px solid var(--text-muted);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.appt-do-card.appt-status-pending  { border-left-color: var(--warning); }
.appt-do-card.appt-status-accepted { border-left-color: var(--success); }
.appt-do-card.appt-status-declined { border-left-color: var(--danger);  }

.appt-do-card-header {
  align-items: flex-start;
  background: rgba(22,12,55,0.80);
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 0.85rem 1rem;
}

.appt-do-student-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.appt-do-student-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.appt-do-header-right {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: right;
}

.appt-do-card-body {
  padding: 0.85rem 1rem;
}

.appt-do-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.875rem;
  gap: 1.25rem;
  margin-bottom: 0.5rem;
}

.appt-do-message,
.appt-do-response-sent {
  background: rgba(22,12,55,0.80);
  border-radius: 6px;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  padding: 0.6rem 0.85rem;
}

.appt-do-message p,
.appt-do-response-sent p {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
}

.appt-do-response-sent {
  border: 1px solid rgba(168,85,247,0.20);
}

/* DO Actions area */
.appt-do-actions {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.appt-do-response-input {
  background: rgba(22,12,55,0.80);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  resize: vertical;
  transition: border-color 0.18s;
  width: 100%;
}

.appt-do-response-input:focus {
  border-color: rgba(168,85,247,0.55);
  outline: none;
}

.appt-do-btns {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.appt-do-inline-msg {
  font-size: 0.85rem;
}

/* ── Utility ─────────────────────────────────────────────────────────────── */

.appt-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.appt-muted {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0.25rem 0;
}

.appt-error {
  color: var(--danger);
  font-size: 0.875rem;
}

.appt-waiting {
  font-style: italic;
}

.appt-center {
  text-align: center;
  padding: 2rem 0;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .appt-form-row--half {
    flex-direction: column;
  }

  .appt-do-card-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .appt-do-header-right {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .appt-request-header {
    flex-direction: column;
  }
}