/**
 * ==========================================================================
 * KAJAL'S DENTAL CLINIC - APPOINTMENT PWA MODERN STYLESHEET
 * ==========================================================================
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --pwa-primary: #008080;
  --pwa-primary-hover: #006666;
  --pwa-primary-dark: #004d4d;
  --pwa-primary-light: #e6f7f7;
  --pwa-primary-subtle: #f0fbfb;
  --pwa-navy: #1a365d;
  --pwa-navy-light: #2b4c7e;
  --pwa-accent: #319795;
  --pwa-text-main: #1e293b;
  --pwa-text-muted: #64748b;
  --pwa-text-light: #94a3b8;
  --pwa-bg: #f1f5f9;
  --pwa-card-bg: #ffffff;
  --pwa-border: #e2e8f0;
  --pwa-border-hover: #cbd5e1;
  --pwa-border-focus: #008080;
  --pwa-success: #10b981;
  --pwa-success-light: #ecfdf5;
  --pwa-success-dark: #065f46;
  --pwa-warning: #f59e0b;
  --pwa-warning-light: #fffbeb;
  --pwa-danger: #ef4444;
  --pwa-danger-light: #fef2f2;
  --pwa-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --pwa-shadow-md: 0 4px 14px -2px rgba(0,0,0,0.07), 0 2px 6px -1px rgba(0,0,0,0.04);
  --pwa-shadow-lg: 0 10px 25px -4px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --pwa-radius-sm: 8px;
  --pwa-radius: 12px;
  --pwa-radius-lg: 16px;
  --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--pwa-bg);
  color: var(--pwa-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Offline Banner */
.offline-banner {
  background: #dc2626;
  color: #ffffff;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  display: none;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Main App Wrapper (Desktop Centered / Responsive) */
.pwa-app-container {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  min-height: 100vh;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.05);
}

@media (min-width: 768px) {
  body {
    padding: 24px 16px;
    background: linear-gradient(135deg, #eef5f8 0%, #e2e8f0 100%);
  }
  .pwa-app-container {
    min-height: calc(100vh - 48px);
    border-radius: var(--pwa-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 20px 40px -15px rgba(0, 128, 128, 0.12), 0 0 20px rgba(0, 0, 0, 0.04);
  }
}

/* Header */
.pwa-header {
  background: #ffffff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--pwa-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.96);
}

.pwa-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.pwa-brand img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.pwa-brand-text h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--pwa-primary);
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.pwa-brand-text p {
  font-size: 11px;
  font-weight: 500;
  color: var(--pwa-text-muted);
  letter-spacing: 0.1px;
}

.pwa-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Download App Header Button */
.btn-pwa-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pwa-primary-light);
  color: var(--pwa-primary);
  border: 1px solid rgba(0, 128, 128, 0.2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-pwa-download:hover {
  background: var(--pwa-primary);
  color: #ffffff;
  border-color: var(--pwa-primary);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 128, 128, 0.25);
}

.btn-pwa-download.installed {
  background: var(--pwa-success-light);
  color: var(--pwa-success-dark);
  border-color: rgba(16, 185, 129, 0.3);
}

.btn-pwa-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f8fafc;
  color: var(--pwa-text-main);
  border: 1px solid var(--pwa-border);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.btn-pwa-call:hover {
  background: var(--pwa-primary-light);
  color: var(--pwa-primary);
  border-color: var(--pwa-primary);
}

/* Step Progress Indicator */
.pwa-steps-bar {
  background: #ffffff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--pwa-border);
  position: relative;
}

.pwa-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  z-index: 2;
  cursor: default;
}

.pwa-step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 13px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: #e2e8f0;
  z-index: -1;
  transition: background 0.3s ease;
}

.pwa-step-item.completed:not(:last-child)::after {
  background: var(--pwa-primary);
}

.pwa-step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f1f5f9;
  color: var(--pwa-text-muted);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.pwa-step-label {
  font-size: 11px;
  color: var(--pwa-text-muted);
  font-weight: 600;
  letter-spacing: -0.1px;
  transition: color 0.3s ease;
}

.pwa-step-item.active .pwa-step-num {
  background: var(--pwa-primary);
  color: #ffffff;
  border-color: rgba(0, 128, 128, 0.2);
  box-shadow: 0 0 0 4px rgba(0, 128, 128, 0.15);
}

.pwa-step-item.active .pwa-step-label {
  color: var(--pwa-primary);
  font-weight: 700;
}

.pwa-step-item.completed .pwa-step-num {
  background: var(--pwa-primary);
  color: #ffffff;
}

.pwa-step-item.completed .pwa-step-label {
  color: var(--pwa-text-main);
}

/* Content Area */
.pwa-content {
  padding: 24px 20px 100px;
  flex: 1;
  overflow-y: auto;
}

.wizard-step {
  display: none;
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.wizard-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.pwa-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--pwa-navy);
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.pwa-section-subtitle {
  font-size: 13px;
  color: var(--pwa-text-muted);
  margin-bottom: 18px;
  line-height: 1.4;
}

/* Treatment / Service Cards */
.service-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.service-radio-card {
  background: #ffffff;
  border: 1.5px solid var(--pwa-border);
  border-radius: var(--pwa-radius);
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  box-shadow: var(--pwa-shadow-sm);
}

.service-radio-card:hover {
  border-color: var(--pwa-primary);
  background: var(--pwa-primary-subtle);
  transform: translateY(-1px);
}

.service-radio-card.selected {
  border-color: var(--pwa-primary);
  background: var(--pwa-primary-light);
  box-shadow: 0 4px 12px rgba(0, 128, 128, 0.12);
}

.service-icon-box {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 1px solid var(--pwa-border);
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.service-radio-card.selected .service-icon-box {
  background: var(--pwa-primary);
  color: #ffffff;
  border-color: var(--pwa-primary);
}

.service-card-info {
  flex: 1;
  min-width: 0;
}

.service-card-info h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--pwa-text-main);
  margin-bottom: 2px;
  letter-spacing: -0.1px;
}

.service-card-info p {
  font-size: 12px;
  color: var(--pwa-text-muted);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.service-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--pwa-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
  background: #ffffff;
}

.service-radio-card.selected .service-check {
  border-color: var(--pwa-primary);
  background: var(--pwa-primary);
}

.service-check svg {
  width: 12px;
  height: 12px;
  stroke: #ffffff;
  stroke-width: 3;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.2s ease;
}

.service-radio-card.selected .service-check svg {
  opacity: 1;
  transform: scale(1);
}

/* Date Selector */
.date-selector-card {
  background: #ffffff;
  border: 1.5px solid var(--pwa-border);
  border-radius: var(--pwa-radius);
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: var(--pwa-shadow-sm);
}

.date-selector-card label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--pwa-navy);
  margin-bottom: 8px;
}

.date-selector-card input[type="date"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--pwa-border);
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  color: var(--pwa-text-main);
  background: #f8fafc;
  outline: none;
  transition: all 0.2s ease;
}

.date-selector-card input[type="date"]:focus {
  border-color: var(--pwa-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.12);
}

/* Session Header */
.slots-session-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--pwa-navy);
  margin: 18px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.slots-session-badge {
  font-size: 11px;
  font-weight: 600;
  background: var(--pwa-primary-light);
  color: var(--pwa-primary);
  padding: 2px 8px;
  border-radius: 12px;
}

/* Slot Chips Grid */
.slots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

@media (min-width: 480px) {
  .slots-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }
}

.slot-chip {
  background: #ffffff;
  border: 1.5px solid var(--pwa-border);
  border-radius: var(--pwa-radius-sm);
  padding: 12px 6px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--pwa-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  box-shadow: var(--pwa-shadow-sm);
}

.slot-chip:hover:not(.disabled) {
  border-color: var(--pwa-primary);
  background: var(--pwa-primary-subtle);
  transform: translateY(-1px);
}

.slot-chip.selected {
  background: var(--pwa-primary);
  color: #ffffff;
  border-color: var(--pwa-primary);
  box-shadow: 0 4px 10px rgba(0, 128, 128, 0.25);
}

.slot-chip.disabled {
  background: #f1f5f9;
  color: var(--pwa-text-light);
  border-color: #e2e8f0;
  cursor: not-allowed;
  text-decoration: line-through;
  opacity: 0.6;
  box-shadow: none;
}

/* Patient Form Inputs */
.pwa-form-group {
  margin-bottom: 18px;
}

.pwa-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--pwa-navy);
  margin-bottom: 6px;
}

.pwa-form-group label .req {
  color: var(--pwa-danger);
}

.pwa-form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--pwa-border);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 14px;
  background: #f8fafc;
  color: var(--pwa-text-main);
  outline: none;
  transition: all 0.2s ease;
}

.pwa-form-control:focus {
  border-color: var(--pwa-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.12);
}

.pwa-form-control::placeholder {
  color: #94a3b8;
}

textarea.pwa-form-control {
  resize: vertical;
  min-height: 80px;
}

/* Review Summary Card */
.review-summary-card {
  background: #ffffff;
  border: 1.5px solid var(--pwa-border);
  border-radius: var(--pwa-radius);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--pwa-shadow-sm);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--pwa-border);
  font-size: 13px;
}

.summary-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.summary-row:first-child {
  padding-top: 0;
}

.summary-label {
  color: var(--pwa-text-muted);
  font-weight: 500;
}

.summary-val {
  font-weight: 700;
  color: var(--pwa-navy);
  text-align: right;
}

.pwa-notice-box {
  background: var(--pwa-primary-light);
  border: 1px solid rgba(0, 128, 128, 0.25);
  border-radius: var(--pwa-radius-sm);
  padding: 14px 16px;
  font-size: 12.5px;
  color: #004d4d;
  line-height: 1.45;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 20px;
}

/* Fixed Bottom Action Bar */
.pwa-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--pwa-border);
  padding: 12px 20px;
  z-index: 99;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.04);
}

@media (min-width: 768px) {
  .pwa-bottom-bar {
    position: sticky;
    border-radius: 0 0 var(--pwa-radius-lg) var(--pwa-radius-lg);
  }
}

.pwa-bottom-bar-inner {
  max-width: 620px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
}

.btn-pwa {
  flex: 1;
  padding: 13px 20px;
  border-radius: 10px;
  font-family: var(--font-family);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  border: 1.5px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.btn-pwa-primary {
  background: var(--pwa-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 128, 128, 0.25);
}

.btn-pwa-primary:hover:not(:disabled) {
  background: var(--pwa-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 128, 128, 0.3);
}

.btn-pwa-primary:disabled {
  background: #cbd5e1;
  color: #64748b;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-pwa-outline {
  background: #ffffff;
  border-color: var(--pwa-border);
  color: var(--pwa-text-main);
  flex: 0 0 90px;
}

.btn-pwa-outline:hover {
  background: #f8fafc;
  border-color: var(--pwa-text-muted);
}

/* Success Card */
.success-box {
  background: #ffffff;
  border-radius: var(--pwa-radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1.5px solid var(--pwa-border);
  box-shadow: var(--pwa-shadow-md);
  margin-top: 10px;
}

.success-icon-circle {
  width: 68px;
  height: 68px;
  background: var(--pwa-success-light);
  color: var(--pwa-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
  border: 2px solid rgba(16, 185, 129, 0.2);
}

.success-ref-code {
  display: inline-block;
  background: #f1f5f9;
  border: 1px dashed var(--pwa-primary);
  padding: 8px 18px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--pwa-primary);
  margin: 12px 0 20px;
  letter-spacing: 1px;
}

/* Modal for Install Help on Unsupported Browser */
.pwa-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.pwa-modal {
  background: #ffffff;
  border-radius: var(--pwa-radius-lg);
  max-width: 440px;
  width: 100%;
  padding: 24px;
  box-shadow: var(--pwa-shadow-lg);
  animation: fadeIn 0.25s ease;
}

.pwa-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.pwa-modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--pwa-navy);
}

.pwa-modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--pwa-text-muted);
  cursor: pointer;
}

.pwa-modal-steps {
  list-style: none;
  margin-bottom: 20px;
}

.pwa-modal-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--pwa-text-main);
}

.pwa-modal-step-num {
  width: 22px;
  height: 22px;
  background: var(--pwa-primary-light);
  color: var(--pwa-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}