/* ==========================================================================
   Danny's Barbershop OS — app.css
   Design system for app.dannysbarbershoptn.com
   ========================================================================== */

:root {
  --dannys-bg:          #00091d;
  --dannys-bg-card:     #0a1628;
  --dannys-bg-input:    #0f1f38;
  --dannys-border:      #1a2a44;
  --dannys-red:         #dd3333;
  --dannys-red-hover:   #bb2222;
  --dannys-gold:        #c9a84c;
  --dannys-text:        #ffffff;
  --dannys-text-muted:  #8a9ab5;
  --dannys-text-dim:    #4a5a6a;
  --dannys-font-heading: 'Bebas Neue', sans-serif;
  --dannys-font-body:    'Manrope', sans-serif;
  --dannys-radius:      6px;
  --dannys-transition:  0.18s ease;
}

/* --------------------------------------------------------------------------
   Base reset
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--dannys-bg);
  color: var(--dannys-text);
  font-family: var(--dannys-font-body);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--dannys-gold);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

img { display: block; max-width: 100%; }

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--dannys-font-heading);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.95;
  color: var(--dannys-text);
}

h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
h4 { font-size: 1.2rem; }

p {
  color: var(--dannys-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.eyebrow {
  display: inline-block;
  color: var(--dannys-gold);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--dannys-font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--dannys-radius);
  cursor: pointer;
  transition: background var(--dannys-transition), opacity var(--dannys-transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--dannys-red);
  color: #ffffff;
}
.btn-primary:hover:not(:disabled) { background: var(--dannys-red-hover); }

.btn-outline {
  background: transparent;
  color: var(--dannys-text-muted);
  border: 1px solid var(--dannys-border);
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--dannys-text-muted);
  color: var(--dannys-text);
}

.btn-ghost {
  background: transparent;
  color: var(--dannys-text-muted);
  padding: 10px 16px;
  font-size: 0.82rem;
}
.btn-ghost:hover:not(:disabled) { color: var(--dannys-text); }

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 24px;
}

.card-sm {
  padding: 16px 20px;
}

/* --------------------------------------------------------------------------
   Form inputs
   -------------------------------------------------------------------------- */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--dannys-bg-input);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  color: var(--dannys-text);
  font-family: var(--dannys-font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  width: 100%;
  transition: border-color var(--dannys-transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--dannys-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--dannys-text-dim);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--dannys-red);
}

.field-error {
  color: #ff6b6b;
  font-size: 0.8rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   App wrapper
   -------------------------------------------------------------------------- */

#dannys-booking-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.db-shell {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: 40px 24px 80px;
  flex: 1;
}

/* --------------------------------------------------------------------------
   Progress bar — 6 steps
   -------------------------------------------------------------------------- */

.db-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 40px;
  overflow: hidden;
}

.db-progress-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.db-progress-step::before {
  content: '';
  position: absolute;
  top: 14px;
  left: calc(50% + 14px);
  right: calc(-50% + 14px);
  height: 2px;
  background: var(--dannys-border);
  z-index: 0;
}

.db-progress-step:last-child::before { display: none; }

.db-progress-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--dannys-border);
  background: var(--dannys-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--dannys-text-dim);
  position: relative;
  z-index: 1;
  transition: border-color var(--dannys-transition), background var(--dannys-transition), color var(--dannys-transition);
}

.db-progress-step.active .db-progress-dot {
  border-color: var(--dannys-red);
  background: var(--dannys-red);
  color: #ffffff;
}

.db-progress-step.done .db-progress-dot {
  border-color: var(--dannys-gold);
  background: var(--dannys-gold);
  color: #00091d;
}

.db-progress-step.done::before {
  background: var(--dannys-gold);
}

.db-progress-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dannys-text-dim);
  text-align: center;
}

.db-progress-step.active .db-progress-label { color: var(--dannys-text-muted); }
.db-progress-step.done  .db-progress-label  { color: var(--dannys-gold); }

/* --------------------------------------------------------------------------
   Step panels
   -------------------------------------------------------------------------- */

.db-step {
  display: none;
  animation: dbFadeIn 0.22s ease forwards;
}
.db-step.active { display: block; }

@keyframes dbFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.db-step-header {
  margin-bottom: 28px;
}

.db-step-header h2 {
  margin-top: 6px;
}

/* --------------------------------------------------------------------------
   Barber grid
   -------------------------------------------------------------------------- */

.db-barber-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.db-barber-card {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 24px 20px;
  cursor: pointer;
  transition: border-color var(--dannys-transition), transform var(--dannys-transition);
  text-align: center;
}

.db-barber-card:hover {
  border-color: var(--dannys-text-muted);
  transform: translateY(-2px);
}

.db-barber-card.selected {
  border-color: var(--dannys-red);
  background: rgba(221, 51, 51, 0.06);
}

.db-barber-card-owner {
  border-left: 3px solid var(--dannys-gold);
}

.db-barber-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f1f38, #1a2a44);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-family: var(--dannys-font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--dannys-text);
}

.db-barber-card-owner .db-barber-avatar {
  background: linear-gradient(135deg, #1a1408, #2e2010);
  color: var(--dannys-gold);
}

.db-barber-name {
  font-family: var(--dannys-font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dannys-text);
  margin-bottom: 4px;
}

.db-barber-role {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dannys-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.db-owner-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  background: rgba(201, 168, 76, 0.12);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dannys-gold);
}

/* --------------------------------------------------------------------------
   Service grid
   -------------------------------------------------------------------------- */

.db-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.db-service-card {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 22px;
  cursor: pointer;
  transition: border-color var(--dannys-transition), transform var(--dannys-transition);
}

.db-service-card:hover {
  border-color: var(--dannys-text-muted);
  transform: translateY(-2px);
}

.db-service-card.selected {
  border-color: var(--dannys-red);
  background: rgba(221, 51, 51, 0.06);
}

.db-service-card-featured {
  border-color: var(--dannys-gold);
  background: linear-gradient(180deg, rgba(201, 168, 76, 0.06), var(--dannys-bg-card));
  grid-column: 1 / -1;
}

.db-service-card-featured.selected {
  border-color: var(--dannys-gold);
  background: rgba(201, 168, 76, 0.1);
}

.db-service-name {
  font-family: var(--dannys-font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dannys-text);
  margin-bottom: 6px;
}

.db-service-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dannys-gold);
  margin-bottom: 10px;
}

.db-service-price span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dannys-text-muted);
}

.db-service-desc {
  font-size: 0.85rem;
  color: var(--dannys-text-muted);
  line-height: 1.5;
  margin-bottom: 8px;
}

.db-service-meta {
  display: flex;
  gap: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--dannys-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.db-featured-label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  background: rgba(201, 168, 76, 0.12);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dannys-gold);
}

/* --------------------------------------------------------------------------
   Calendar
   -------------------------------------------------------------------------- */

.db-calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.db-calendar-title {
  font-family: var(--dannys-font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dannys-text);
}

.db-calendar-arrow {
  background: transparent;
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  color: var(--dannys-text-muted);
  cursor: pointer;
  padding: 8px 14px;
  font-size: 1rem;
  transition: border-color var(--dannys-transition), color var(--dannys-transition);
}
.db-calendar-arrow:hover {
  border-color: var(--dannys-text-muted);
  color: var(--dannys-text);
}

.db-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 28px;
}

.db-calendar-dow {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dannys-text-dim);
  padding-bottom: 8px;
}

.db-calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--dannys-radius);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color var(--dannys-transition), background var(--dannys-transition), color var(--dannys-transition);
  color: var(--dannys-text);
}

.db-calendar-day:hover:not(.disabled):not(.empty) {
  border-color: var(--dannys-text-muted);
  background: rgba(255, 255, 255, 0.04);
}

.db-calendar-day.selected {
  background: var(--dannys-red);
  border-color: var(--dannys-red);
  color: #ffffff;
}

.db-calendar-day.today {
  border-color: var(--dannys-gold);
  color: var(--dannys-gold);
}

.db-calendar-day.today.selected {
  background: var(--dannys-red);
  border-color: var(--dannys-red);
  color: #ffffff;
}

.db-calendar-day.disabled,
.db-calendar-day.past {
  color: var(--dannys-text-dim);
  cursor: not-allowed;
  opacity: 0.4;
}

.db-calendar-day.empty {
  cursor: default;
}

/* --------------------------------------------------------------------------
   Time slot grid
   -------------------------------------------------------------------------- */

.db-time-header {
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
}

.db-time-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 32px;
}

.db-time-slot {
  padding: 11px 8px;
  text-align: center;
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dannys-text-muted);
  cursor: pointer;
  transition: border-color var(--dannys-transition), color var(--dannys-transition), background var(--dannys-transition);
}

.db-time-slot:hover {
  border-color: var(--dannys-text-muted);
  color: var(--dannys-text);
}

.db-time-slot.selected {
  background: var(--dannys-red);
  border-color: var(--dannys-red);
  color: #ffffff;
}

.db-no-slots {
  color: var(--dannys-text-muted);
  font-size: 0.9rem;
  padding: 16px 0;
}

/* --------------------------------------------------------------------------
   Payment method selector
   -------------------------------------------------------------------------- */

.db-payment-opts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.db-payment-opt {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dannys-transition), background var(--dannys-transition);
}

.db-payment-opt:hover { border-color: var(--dannys-text-muted); }

.db-payment-opt.selected {
  border-color: var(--dannys-red);
  background: rgba(221, 51, 51, 0.06);
}

.db-payment-opt-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  display: block;
}

.db-payment-opt-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
}

.db-payment-opt.selected .db-payment-opt-label { color: var(--dannys-text); }

/* Stripe card element */
#db-stripe-element {
  background: var(--dannys-bg-input);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 14px 16px;
  margin-top: 20px;
  margin-bottom: 20px;
  transition: border-color var(--dannys-transition);
}

#db-stripe-element.focused { border-color: var(--dannys-gold); }

/* --------------------------------------------------------------------------
   Booking summary
   -------------------------------------------------------------------------- */

.db-summary {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 24px;
  margin-bottom: 28px;
}

.db-summary-title {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
  margin-bottom: 18px;
}

.db-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--dannys-border);
  gap: 16px;
}

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

.db-summary-key {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
  white-space: nowrap;
}

.db-summary-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dannys-text);
  text-align: right;
}

.db-deposit-line {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--dannys-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.db-deposit-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dannys-text-muted);
}

.db-deposit-amount {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dannys-gold);
}

/* --------------------------------------------------------------------------
   Confirmation screen
   -------------------------------------------------------------------------- */

.db-confirmation {
  text-align: center;
  padding: 20px 0 40px;
}

.db-confirmation-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(221, 51, 51, 0.12);
  border: 2px solid var(--dannys-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
}

.db-confirmation h2 {
  margin-bottom: 10px;
}

.db-confirmation-intro {
  color: var(--dannys-text-muted);
  margin-bottom: 28px;
  font-size: 1rem;
}

.db-confirmation-code {
  display: inline-block;
  padding: 14px 32px;
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-gold);
  border-radius: var(--dannys-radius);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--dannys-gold);
  margin-bottom: 32px;
}

.db-confirmation-details {
  background: var(--dannys-bg-card);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 24px;
  text-align: left;
  margin-bottom: 24px;
}

.db-confirmation-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--dannys-border);
  gap: 16px;
}

.db-confirmation-detail-row:last-child { border-bottom: none; }

.db-confirmation-detail-key {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
}

.db-confirmation-detail-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dannys-text);
  text-align: right;
}

.db-confirmation-address {
  background: var(--dannys-bg-input);
  border: 1px solid var(--dannys-border);
  border-radius: var(--dannys-radius);
  padding: 18px 22px;
  text-align: left;
}

.db-confirmation-address p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--dannys-text);
}

.db-confirmation-address a {
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Navigation buttons
   -------------------------------------------------------------------------- */

.db-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  gap: 16px;
}

.db-nav-right {
  display: flex;
  gap: 12px;
  margin-left: auto;
}

/* --------------------------------------------------------------------------
   Loading spinner
   -------------------------------------------------------------------------- */

.db-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 20px;
}

.db-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--dannys-border);
  border-top-color: var(--dannys-red);
  border-radius: 50%;
  animation: dbSpin 0.7s linear infinite;
  will-change: transform;
}

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

.db-loading-text {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dannys-text-muted);
}

/* --------------------------------------------------------------------------
   Error states
   -------------------------------------------------------------------------- */

.db-error {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(221, 51, 51, 0.08);
  border: 1px solid rgba(221, 51, 51, 0.3);
  border-radius: var(--dannys-radius);
  margin-bottom: 20px;
  color: #ff7070;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.5;
}

.db-error-icon { flex-shrink: 0; font-size: 1rem; margin-top: 1px; }

/* --------------------------------------------------------------------------
   Responsive — 768px
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .db-shell {
    padding: 28px 18px 60px;
  }

  .db-barber-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .db-service-grid {
    grid-template-columns: 1fr;
  }

  .db-service-card-featured {
    grid-column: auto;
  }

  .db-payment-opts {
    grid-template-columns: repeat(3, 1fr);
  }

  .db-progress-label {
    display: none;
  }

  .db-nav {
    flex-direction: column-reverse;
    gap: 10px;
  }

  .db-nav-right {
    width: 100%;
  }

  .btn-primary, .btn-outline {
    width: 100%;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Responsive — 480px
   -------------------------------------------------------------------------- */

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

  .db-time-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .db-payment-opts {
    grid-template-columns: 1fr;
  }

  .db-confirmation-code {
    font-size: 1.4rem;
    padding: 12px 24px;
  }

  .db-calendar-grid {
    gap: 4px;
  }

  .db-calendar-day {
    font-size: 0.78rem;
  }
}