/* ============================================================
   booking.css — KickstartKorean Lesson Booking System Styles
   ============================================================
   Depends on: styles.css (CSS variables must be loaded first)
   ============================================================ */

/* ─────────────────────────────────────────────
   BOOKING PAGE HEADER
   ───────────────────────────────────────────── */
.booking-page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.booking-page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.booking-page-header__inner { position: relative; z-index: 1; }

.booking-page-header__eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.booking-page-header__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-extrabold);
  color: #ffffff;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.booking-page-header__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 500px;
  margin-inline: auto;
  line-height: var(--leading-relaxed);
}

/* ─────────────────────────────────────────────
   AUTH GATE
   ───────────────────────────────────────────── */
.booking-auth-gate {
  text-align: center;
  padding: var(--space-20) var(--space-6);
  max-width: 440px;
  margin-inline: auto;
}

.booking-auth-gate__icon {
  font-size: 3rem;
  margin-bottom: var(--space-6);
}

.booking-auth-gate__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.booking-auth-gate__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* ─────────────────────────────────────────────
   BOOKING LAYOUT — two-column, stacks on mobile
   ───────────────────────────────────────────── */
.booking-section {
  padding: var(--space-12) 0 var(--space-20);
  background: var(--color-bg);
}

.booking-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  align-items: start;
  max-width: 960px;
  margin-inline: auto;
}

@media (max-width: 800px) {
  .booking-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ─────────────────────────────────────────────
   BOOKING CALENDAR PANEL
   ───────────────────────────────────────────── */
.booking-calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.cal-header__month {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.cal-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: var(--font-semibold);
  line-height: 1;
}

.cal-nav-btn:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.cal-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: var(--space-2);
}

.cal-weekday {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-2) 0;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

/* ─────────────────────────────────────────────
   CALENDAR DAY CELLS
   ───────────────────────────────────────────── */
.cal-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: default;
  position: relative;
  transition: all var(--transition-fast);
  color: var(--color-text-subtle);
  min-height: 40px;
  gap: 2px;
}

/* Other month — faded */
.cal-day--other-month {
  color: var(--color-text-subtle);
  opacity: 0.35;
}

/* Past dates — muted and not clickable */
.cal-day--past {
  color: var(--color-text-subtle);
  opacity: 0.4;
}

/* Sunday / unavailable */
.cal-day--unavailable {
  color: var(--color-text-subtle);
  opacity: 0.45;
}

/* Today — subtle ring */
.cal-day--today {
  color: var(--color-primary);
  font-weight: var(--font-bold);
  box-shadow: inset 0 0 0 1.5px var(--color-primary-light);
}

/* Available — has open slots */
.cal-day--available {
  color: var(--color-text);
  font-weight: var(--font-semibold);
  cursor: pointer;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.cal-day--available:hover {
  background: #eef2ff;
  color: var(--color-primary);
  transform: scale(1.05);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

/* Selected day */
.cal-day--selected {
  background: var(--color-primary) !important;
  color: #ffffff !important;
  font-weight: var(--font-bold) !important;
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.cal-day--selected:hover {
  background: var(--color-primary-dark) !important;
  transform: scale(1.05);
}

/* Today + available */
.cal-day--today.cal-day--available {
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

/* Availability dot */
.cal-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

.cal-day--selected .cal-dot {
  background: rgba(255,255,255,0.7);
}

.cal-day--unavailable .cal-dot,
.cal-day--past .cal-dot,
.cal-day--other-month .cal-dot {
  display: none;
}

/* Loading skeleton */
.cal-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  gap: var(--space-2);
}

/* ─────────────────────────────────────────────
   TIME SLOTS PANEL
   ───────────────────────────────────────────── */
.time-slots-section {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.time-slots-section__heading {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.time-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-3);
}

.slot-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 2px;
}

.slot-btn__kst {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: 1.2;
}

.slot-btn__local {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.slot-btn:hover:not(.slot-btn--taken):not(.slot-btn--selected) {
  border-color: var(--color-primary-light);
  background: #eef2ff;
  box-shadow: var(--shadow-xs);
}

/* Taken slot */
.slot-btn--taken {
  cursor: not-allowed;
  opacity: 0.5;
  background: var(--color-bg);
  border-color: var(--color-border-light);
}

.slot-btn--taken .slot-btn__kst {
  color: var(--color-text-subtle);
}

.slot-btn--taken .slot-btn__local {
  color: var(--color-text-subtle);
}

.slot-taken-label {
  font-size: 0.65rem;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-semibold);
}

/* Selected slot */
.slot-btn--selected {
  border-color: var(--color-accent);
  background: #fff0f3;
  box-shadow: 0 0 0 2px var(--color-accent-muted);
}

.slot-btn--selected .slot-btn__kst {
  color: var(--color-accent-hover);
}

/* No slots message */
.time-slots-empty {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1.5px dashed var(--color-border);
}

/* ─────────────────────────────────────────────
   BOOKING SUMMARY PANEL (right column)
   ───────────────────────────────────────────── */
.booking-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
}

.booking-summary__placeholder {
  text-align: center;
  padding: var(--space-10) var(--space-4);
  color: var(--color-text-muted);
}

.booking-summary__placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.booking-summary__placeholder-text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.booking-summary__title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  letter-spacing: -0.01em;
}

.booking-detail-row {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  align-items: flex-start;
}

.booking-detail-row__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.booking-detail-row__body {
  flex: 1;
  min-width: 0;
}

.booking-detail-row__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.booking-detail-row__value {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: var(--leading-snug);
}

.booking-detail-row__value--muted {
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* ─────────────────────────────────────────────
   RECURRING TOGGLE
   ───────────────────────────────────────────── */
.recur-toggle {
  margin: var(--space-5) 0;
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.recur-toggle__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.recur-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: var(--space-2);
}

.recur-option:last-child { margin-bottom: 0; }

.recur-option:hover { background: rgba(30,27,75,0.04); }

.recur-option input[type="radio"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
}

.recur-option__text {
  flex: 1;
}

.recur-option__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: 1.3;
}

.recur-option__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

/* ─────────────────────────────────────────────
   BOOKING CONFIRM BUTTON
   ───────────────────────────────────────────── */
.booking-confirm-btn {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--color-accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: -0.01em;
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.booking-confirm-btn:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.booking-confirm-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.booking-notice {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-3);
  line-height: var(--leading-relaxed);
}

/* ─────────────────────────────────────────────
   SUCCESS STATE
   ───────────────────────────────────────────── */
.booking-success {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
}

.booking-success__icon {
  width: 72px;
  height: 72px;
  background: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 2rem;
}

.booking-success__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.booking-success__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.booking-success__details {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: left;
  margin-bottom: var(--space-6);
}

.booking-success__zoom {
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

.booking-success__zoom-title {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.booking-success__zoom-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-primary-light);
  word-break: break-all;
}

/* ─────────────────────────────────────────────
   SPINNER
   ───────────────────────────────────────────── */
.booking-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.booking-spinner--dark {
  border-color: rgba(30,27,75,0.2);
  border-top-color: var(--color-primary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────
   ADMIN — hw-nav style header (internal tool)
   ───────────────────────────────────────────── */
.admin-nav {
  background: var(--color-primary-dark);
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  box-shadow: 0 2px 12px rgba(15,13,46,0.2);
}

.admin-nav__logo {
  color: #ffffff;
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-nav__logo:hover { color: #ffffff; text-decoration: none; }

.admin-nav__logo span {
  opacity: 0.45;
  font-weight: 400;
  font-size: 0.85rem;
}

.admin-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  overflow-x: auto;
  min-width: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.25) transparent;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(to right, black calc(100% - 24px), transparent);
  -webkit-mask-image: linear-gradient(to right, black calc(100% - 24px), transparent);
}
.admin-nav__links:hover {
  mask-image: none;
  -webkit-mask-image: none;
}

.admin-nav__link {
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-nav__link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

.admin-nav__link--active {
  color: #ffffff;
  background: rgba(255,255,255,0.12);
}

.admin-nav__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.admin-nav__user {
  color: rgba(255,255,255,0.55);
  font-size: 0.8rem;
}

.admin-nav__logout {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.75);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--transition-fast);
}

.admin-nav__logout:hover { background: rgba(255,255,255,0.16); }

/* ─────────────────────────────────────────────
   ADMIN MAIN LAYOUT
   ───────────────────────────────────────────── */
.admin-body {
  background: var(--color-bg);
  min-height: 100vh;
  font-family: var(--font-sans);
}

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

.admin-page-title {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}

.admin-page-sub {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  font-size: 0.925rem;
}

/* ─────────────────────────────────────────────
   ADMIN STATS BAR
   ───────────────────────────────────────────── */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.admin-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  text-align: center;
}

.admin-stat-card__value {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.admin-stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─────────────────────────────────────────────
   ADMIN — SCHEDULE SECTION
   ───────────────────────────────────────────── */
.admin-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.admin-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.admin-section__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.admin-section__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.admin-schedule {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.admin-day-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.admin-day-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.admin-day-card__name {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.admin-day-card__status {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  font-weight: var(--font-medium);
}

.admin-day-card--off {
  opacity: 0.55;
}

.admin-day-slots {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ─────────────────────────────────────────────
   SLOT TOGGLE CHIP
   ───────────────────────────────────────────── */
.slot-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-semibold);
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  user-select: none;
  line-height: 1;
}

.slot-toggle:hover {
  border-color: var(--color-primary-light);
  background: #eef2ff;
  color: var(--color-primary);
}

.slot-toggle--on {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.slot-toggle--on:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff;
}

.slot-toggle--disabled {
  cursor: not-allowed;
  opacity: 0.4;
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   ADMIN — OVERRIDES LIST
   ───────────────────────────────────────────── */
.override-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.override-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.override-item__date {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  min-width: 100px;
}

.override-item__type {
  flex: 1;
}

.override-item__badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.override-item__badge--day-off {
  background: var(--color-error-light);
  color: var(--color-error);
}

.override-item__badge--custom {
  background: var(--color-warning-light);
  color: #92600a;
}

.override-item__reason {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.override-item__slots {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.override-item__slot-chip {
  background: var(--color-info-light);
  color: var(--color-info);
  padding: 1px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--font-semibold);
}

.override-delete-btn {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-error);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.override-delete-btn:hover {
  background: var(--color-error-light);
  border-color: var(--color-error);
}

/* Override add form */
.override-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-top: var(--space-4);
}

.override-form__title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.override-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (max-width: 500px) {
  .override-form__row { grid-template-columns: 1fr; }
}

.override-form__custom-slots {
  margin-bottom: var(--space-4);
}

.override-form__custom-slots-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.override-form__custom-slots-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ─────────────────────────────────────────────
   ADMIN — BOOKINGS TABLE
   ───────────────────────────────────────────── */
.booking-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.booking-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.booking-table th {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.booking-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
  color: var(--color-text);
}

.booking-table tr:last-child td {
  border-bottom: none;
}

.booking-table tr:hover td {
  background: var(--color-bg-alt);
}

.booking-table__name {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.booking-table__email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 1px;
}

.booking-status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.booking-status-badge--confirmed {
  background: var(--color-success-light);
  color: #065f46;
}

.booking-status-badge--cancelled {
  background: var(--color-error-light);
  color: #991b1b;
}

.booking-status-badge--completed {
  background: var(--color-info-light);
  color: #1e40af;
}

.booking-status-badge--hold {
  background: #fef9c3;
  color: #854d0e;
}

.booking-recur-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #eef2ff;
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--font-semibold);
}

.booking-table__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tbl-btn {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-semibold);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.tbl-btn--complete {
  background: var(--color-success-light);
  border-color: #a7f3d0;
  color: #065f46;
}

.tbl-btn--complete:hover {
  background: #bbf7d0;
  border-color: #6ee7b7;
}

.tbl-btn--cancel {
  background: var(--color-error-light);
  border-color: #fca5a5;
  color: #991b1b;
}

.tbl-btn--cancel:hover {
  background: #fecaca;
  border-color: #f87171;
}

.tbl-btn--convert {
  background: #EAF4FA;
  border-color: #c4b5fd;
  color: #5b21b6;
}

.tbl-btn--convert:hover {
  background: #ddd6fe;
  border-color: #a78bfa;
}

.tbl-btn--reschedule {
  background: #fef3c7;
  border-color: #fcd34d;
  color: #92400e;
}

.tbl-btn--reschedule:hover {
  background: #fde68a;
  border-color: #f59e0b;
}

/* ─────────────────────────────────────────────
   FILTER TABS
   ───────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.filter-tab:hover:not(.filter-tab--active) {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: #eef2ff;
}

.filter-tab--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* ─────────────────────────────────────────────
   SEARCH BAR
   ───────────────────────────────────────────── */
.admin-search {
  position: relative;
  max-width: 300px;
}

.admin-search__input {
  width: 100%;
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.admin-search__input:focus {
  outline: none;
  border-color: var(--color-primary-light);
}

.admin-search__icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   DASHBOARD UPCOMING LESSONS
   ───────────────────────────────────────────── */
.upcoming-lessons {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.upcoming-lessons__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.upcoming-lessons__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.lesson-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  transition: box-shadow var(--transition-fast);
}

.lesson-card:last-child { margin-bottom: 0; }

.lesson-card:hover {
  box-shadow: var(--shadow-sm);
}

.lesson-card__date-badge {
  background: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  min-width: 56px;
  flex-shrink: 0;
}

.lesson-card__date-badge-day {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  line-height: 1;
}

.lesson-card__date-badge-month {
  font-size: 0.65rem;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.8;
  margin-top: 1px;
}

.lesson-card__body {
  flex: 1;
  min-width: 0;
}

.lesson-card__time {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: 2px;
}

.lesson-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.lesson-card__zoom-btn {
  background: #eef2ff;
  border: 1.5px solid #c7d2fe;
  color: var(--color-primary);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: var(--font-semibold);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.lesson-card__zoom-btn:hover {
  background: #e0e7ff;
  text-decoration: none;
  color: var(--color-primary);
}

@media (max-width: 480px) {
  .lesson-card {
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }
  .lesson-card__body {
    flex: 1 1 calc(100% - 72px);
  }
  .lesson-card > div:last-child {
    flex-direction: row;
    align-items: center;
    width: 100%;
    justify-content: flex-end;
    gap: var(--space-3);
  }
  .lesson-card__zoom-btn {
    flex-grow: 1;
    text-align: center;
  }
}

.upcoming-lessons__empty {
  text-align: center;
  padding: var(--space-10) var(--space-4);
  color: var(--color-text-muted);
}

.upcoming-lessons__empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

/* ─────────────────────────────────────────────
   TOAST (hw-toast compatible)
   ───────────────────────────────────────────── */
.hw-toast-wrap {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.hw-toast {
  background: var(--color-primary-dark);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto;
  max-width: 320px;
}

.hw-toast.show { opacity: 1; transform: none; }
.hw-toast--success { background: #065f46; }
.hw-toast--error   { background: #991b1b; }
.hw-toast--info    { background: var(--color-primary); }
.hw-toast--warning { background: #92600a; }

/* ─────────────────────────────────────────────
   ADMIN NAV RESPONSIVE (1024px for half-screen on 1080p)
   ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .admin-nav {
    height: auto;
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
    gap: 0.25rem;
  }

  .admin-nav__logo {
    font-size: 0.9rem;
  }

  .admin-nav__user {
    display: none;
  }

  .admin-nav__links {
    display: flex;
    flex-wrap: nowrap;
    order: 3;
    width: 100%;
    gap: 0.2rem;
    padding-bottom: 0.25rem;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .admin-nav__links::-webkit-scrollbar { display: none; }

  .admin-nav__link {
    white-space: nowrap;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    flex-shrink: 0;
  }
}

/* ─────────────────────────────────────────────
   RESPONSIVE OVERRIDES
   ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .booking-page-header {
    padding: var(--space-12) 0 var(--space-8);
  }

  .booking-summary {
    position: static;
  }

  .admin-schedule {
    grid-template-columns: 1fr 1fr;
  }

  .booking-table th:nth-child(3),
  .booking-table td:nth-child(3) {
    display: none; /* hide type on very small screens */
  }

  /* admin nav moved to 1024px breakpoint below */

  .filter-tabs {
    gap: var(--space-1);
  }

  .filter-tab {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .admin-schedule {
    grid-template-columns: 1fr;
  }

  .lesson-card {
    flex-wrap: wrap;
  }

  .lesson-card__zoom-btn {
    width: 100%;
    text-align: center;
  }
}

/* ─────────────────────────────────────────────
   CREDIT SYSTEM — Phase 2 additions
   ───────────────────────────────────────────── */

/* Balance bar at top of credits page */
.credits-balance-bar {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-md);
}

.credits-balance-bar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.credits-balance-bar__icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.credits-balance-bar__label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.credits-balance-bar__count {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
  font-weight: var(--font-extrabold);
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.03em;
}

.credits-balance-bar__sub {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  margin-top: var(--space-1);
}

/* Package grid */
.package-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

@media (max-width: 1000px) {
  .package-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .package-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .credits-balance-bar {
    padding: var(--space-4) var(--space-5);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .credits-balance-bar .btn {
    width: 100%;
    text-align: center;
  }
  .credits-balance-bar__icon {
    font-size: 2rem;
  }
  .package-card {
    padding: var(--space-4) var(--space-5);
  }
}

/* Individual package card */
.package-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  overflow: visible;
}

.package-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Most Popular — primary indigo highlight */
.package-card--popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.package-card--popular:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 12px 40px rgba(30,27,75,0.18);
}

/* Best Value — gold highlight */
.package-card--best {
  border-color: var(--color-gold);
}

.package-card--best:hover {
  box-shadow: 0 12px 40px rgba(201,162,39,0.18);
}

/* Badge positioned at top of card */
.package-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-sm);
}

.package-badge--popular {
  background: var(--color-primary);
  color: #ffffff;
}

.package-badge--best {
  background: var(--color-gold);
  color: #ffffff;
}

/* Lesson count — big number */
.package-lessons {
  font-size: clamp(var(--text-4xl), 5vw, 3.5rem);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.04em;
}

.package-lessons__unit {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0;
}

/* Price */
.package-price {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.package-price__currency {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  vertical-align: super;
  line-height: 1;
}

/* Per-lesson price in muted text */
.package-per-lesson {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Savings badge */
.package-savings {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-success-light);
  color: #065f46;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-bold);
}

/* Feature list */
.package-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.package-features__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
}

.package-features__check {
  color: var(--color-success);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Card action buttons area */
.package-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.package-btn-paypal {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: #0070ba;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.package-btn-paypal:hover {
  background: #005ea6;
}

.package-btn-bank {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.package-btn-bank:hover {
  background: #eef2ff;
}

/* PayPal button container within a card */
.package-paypal-wrap {
  min-height: 44px;
}

/* ── Bank transfer modal ─────────────────────────────────────────────────── */
.bank-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,13,46,0.6);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.bank-modal.is-open {
  display: flex;
}

.bank-modal__box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(15,13,46,0.25);
  border: 1px solid var(--color-border);
  position: relative;
}

.bank-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  transition: background var(--transition-fast);
  line-height: 1;
}

.bank-modal__close:hover {
  background: var(--color-error-light);
  color: var(--color-error);
}

.bank-modal__title {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.bank-modal__pkg {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* Bank info block */
.bank-info {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.bank-info__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.bank-info__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.bank-info__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  flex-shrink: 0;
}

.bank-info__value {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-text);
  font-family: var(--font-mono);
  text-align: right;
}

.bank-info__value--amount {
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.bank-modal__instructions {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}

.bank-modal__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.bank-modal__sent-btn {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-family: var(--font-sans);
}

.bank-modal__sent-btn:hover:not(:disabled) {
  background: var(--color-primary-light);
}

.bank-modal__sent-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.bank-modal__cancel-btn {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-family: var(--font-sans);
}

.bank-modal__cancel-btn:hover {
  background: var(--color-bg-alt);
}

/* ── Transaction history ────────────────────────────────────────────────── */
.tx-history {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-xs);
}

.tx-history__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}

.tx-history__empty {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.tx-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

.tx-row:last-child {
  border-bottom: none;
}

.tx-row__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.tx-row__body {
  flex: 1;
  min-width: 0;
}

.tx-row__desc {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: 1.3;
}

.tx-row__date {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  margin-top: 2px;
}

.tx-row__credits {
  font-size: var(--text-base);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.tx-row__credits--add {
  color: var(--color-success);
}

.tx-row__credits--remove {
  color: var(--color-error);
}

.tx-row__amount {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  flex-shrink: 0;
}

/* Status badge used in transactions */
.tx-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.tx-badge--pending {
  background: var(--color-warning-light);
  color: #92600a;
}

.tx-badge--completed {
  background: var(--color-success-light);
  color: #065f46;
}

.tx-badge--failed {
  background: var(--color-error-light);
  color: #991b1b;
}

/* ── Credit pill (dashboard & booking page) ─────────────────────────────── */
.credit-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: #eef2ff;
  border: 1.5px solid #c7d2fe;
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.credit-pill:hover {
  background: #e0e7ff;
  text-decoration: none;
  color: var(--color-primary);
}

.credit-pill__count {
  font-weight: var(--font-extrabold);
}

.credit-pill--zero {
  background: var(--color-error-light);
  border-color: #fca5a5;
  color: #991b1b;
}

.credit-pill--zero:hover {
  background: #fecaca;
  color: #991b1b;
}

/* ── No-credit error block (booking page) ──────────────────────────────── */
.no-credit-error {
  background: var(--color-error-light);
  border: 1.5px solid #fca5a5;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: #991b1b;
  line-height: var(--leading-relaxed);
  display: none;
}

.no-credit-error.is-visible {
  display: block;
}

.no-credit-error a {
  color: #991b1b;
  font-weight: var(--font-bold);
  text-decoration: underline;
}

/* ── Admin credit section overrides ────────────────────────────────────── */
.admin-credit-search-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.admin-credit-search-row .admin-search {
  max-width: 380px;
  flex: 1;
}

.student-result-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.student-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-wrap: wrap;
}

.student-result-item:hover,
.student-result-item.is-selected {
  border-color: var(--color-primary-light);
  background: #eef2ff;
}

.student-result-item__name {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.student-result-item__email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.student-result-item__credits {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Selected student card */
.selected-student-card {
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.selected-student-card__info {
  flex: 1;
  min-width: 0;
}

.selected-student-card__name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: 2px;
}

.selected-student-card__email {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.selected-student-card__stats {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.selected-student-card__stat {
  text-align: center;
}

.selected-student-card__stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.selected-student-card__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Pending bank transfer card */
.pending-tx-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-warning-light);
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.pending-tx-card:last-child {
  margin-bottom: 0;
}

.pending-tx-card__body {
  flex: 1;
}

.pending-tx-card__name {
  font-weight: var(--font-semibold);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.pending-tx-card__details {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.pending-tx-card__confirm-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--color-success);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.pending-tx-card__confirm-btn:hover:not(:disabled) {
  background: #059669;
}

.pending-tx-card__confirm-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Manual adjustment form */
.credit-adj-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.credit-adj-form__title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.credit-adj-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (max-width: 540px) {
  .credit-adj-form__row {
    grid-template-columns: 1fr;
  }
}

.credit-adj-form__full {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(55,48,163,0.08);
}

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

@media (max-width: 640px) {
  .credits-balance-bar {
    padding: var(--space-5) var(--space-6);
  }

  .package-grid {
    gap: var(--space-4);
  }

  .bank-modal__box {
    padding: var(--space-6);
  }

  .credits-balance-bar__count {
    font-size: var(--text-3xl);
  }
}

/* ============================================================
   AUTH PAGES (login.html, register.html)
   ============================================================ */

/* ── Auth page layout ─────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-alt);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
}

/* ── Auth card ───────────────────────────────────────────── */
.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-10);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-md);
}

.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card__title {
  font-size: var(--text-2xl, 1.5rem);
  font-weight: var(--font-extrabold, 800);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.auth-card__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm, 0.875rem);
}

/* ── "or" divider between Google btn and email form ──────── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  color: var(--color-text-subtle);
  font-size: var(--text-xs, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--color-border);
}

/* ── Google sign-in button ───────────────────────────────── */
.auth-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: #ffffff;
  border: 1.5px solid #dadce0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: var(--font-medium, 500);
  color: #3c4043;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-xs);
}

.auth-google-btn:hover:not(:disabled) {
  background: #f8f9fa;
  box-shadow: var(--shadow-sm);
}

.auth-google-btn:active:not(:disabled) {
  background: #f1f3f4;
}

.auth-google-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ── Inline error / success alert inside auth card ───────── */
.auth-inline-error {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-error);
  background: var(--color-error-light);
  color: #7f1d1d;
  font-size: var(--text-sm, 0.875rem);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

/* ── Auth footer links ───────────────────────────────────── */
.auth-footer-text {
  text-align: center;
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.auth-footer-text a {
  color: var(--color-primary-light, #3730a3);
  font-weight: var(--font-medium, 500);
}

/* ── Responsive: tighter padding on small screens ────────── */
@media (max-width: 480px) {
  .auth-card {
    padding: var(--space-6);
    border-radius: var(--radius-md);
    border: none;
    box-shadow: none;
    background: transparent;
  }

  .auth-main {
    align-items: flex-start;
    padding-top: var(--space-5);
  }
}

/* ============================================================
   ACCOUNT PAGE (account.html)
   ============================================================ */

/* ── Account page wrapper ────────────────────────────────── */
.account-page {
  background: var(--color-bg);
}

/* ── Profile avatar circle (larger version for account page) */
.profile-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  font-weight: var(--font-bold, 700);
  font-size: 1rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
  user-select: none;
}

.profile-avatar--xl {
  width: 68px;
  height: 68px;
  font-size: 1.5rem;
}

/* ── Profile name + pencil edit layout ──────────────────── */
.profile-edit {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.profile-edit .form-input {
  flex: 1;
  min-width: 180px;
  max-width: 300px;
}

/* ── Upcoming lesson card ────────────────────────────────── */
.upcoming-lesson-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.upcoming-lesson-card__info {
  flex: 1;
  min-width: 0;
}

.upcoming-lesson-card__date {
  font-weight: var(--font-semibold, 600);
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* ── Cancel button for bookings ──────────────────────────── */
.cancel-btn {
  background: transparent;
  border: 1.5px solid var(--color-error);
  color: var(--color-error);
  border-radius: var(--radius-sm);
  font-weight: var(--font-semibold, 600);
  font-size: var(--text-sm, 0.875rem);
  padding: var(--space-1) var(--space-4);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  font-family: inherit;
}

.cancel-btn:hover:not(:disabled) {
  background: var(--color-error);
  color: #ffffff;
}

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

/* ── Recurring slot card ─────────────────────────────────── */
.recurring-slot-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

/* ── Past lessons table ──────────────────────────────────── */
.lesson-history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm, 0.875rem);
}

.lesson-history-table th {
  text-align: left;
  font-weight: var(--font-semibold, 600);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-bottom: 2px solid var(--color-border);
}

.lesson-history-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  vertical-align: middle;
}

.lesson-history-table tbody tr:last-child td {
  border-bottom: none;
}

.lesson-history-table tbody tr:hover td {
  background: var(--color-bg-alt);
}

/* ── Nav login link styling ──────────────────────────────── */
.nav__link--login {
  font-weight: var(--font-medium, 500);
}

/* ── Responsive account card ─────────────────────────────── */
@media (max-width: 640px) {
  .upcoming-lesson-card,
  .recurring-slot-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .cancel-btn {
    align-self: flex-end;
  }

  .profile-edit {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-edit .form-input {
    max-width: 100%;
    width: 100%;
  }

  .lesson-history-table th,
  .lesson-history-table td {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8125rem;
  }
}