/* ============================================
   Kezakoo Appointment System - Styles
   ============================================ */

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

:root {
  --kezakoo-orange: #ff7900;
  --kezakoo-red: #ff3b22;
  --kezakoo-gradient: linear-gradient(135deg, #ff8839 0%, #ff3b22 100%);
  --kezakoo-blue: #474dff;
  --kezakoo-purple: #9661f6;
  --kezakoo-green: #0dc49f;
  --kezakoo-pink: #ff014e;
  --kezakoo-coral: #ff4a26;
  --kezakoo-light-lavender: #e4e5fc;
  --kezakoo-light-pink: #ffccdc;
  --kezakoo-light-peach: #ffe4cc;
  --kezakoo-light-gold: #efdeab;
  --kezakoo-dark: #1a1a2e;
  --kezakoo-white: #ffffff;
  --kezakoo-gray-50: #f8f9fc;
  --kezakoo-gray-100: #f1f3f7;
  --kezakoo-gray-200: #e2e6ee;
  --kezakoo-gray-300: #c8cdd8;
  --kezakoo-gray-500: #6b7280;
  --kezakoo-gray-700: #374151;
  --kezakoo-gray-900: #111827;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--kezakoo-gray-50);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--kezakoo-gray-900);
}

/* ---- Container ---- */
.kezakoo-app {
  background: var(--kezakoo-white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  position: relative;
}

/* ---- Header ---- */
.kezakoo-header {
  background: var(--kezakoo-gradient);
  color: white;
  padding: 28px 30px;
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
}

.kezakoo-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--kezakoo-white);
  border-radius: 20px 20px 0 0;
}

.back-btn {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 12px;
  transition: var(--transition);
  line-height: 1;
}

.back-btn:hover {
  background: rgba(255,255,255,0.3);
}

.header-logo {
  max-height: 44px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.header-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.3px;
}

/* ---- Step Indicator ---- */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 24px 30px 8px;
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kezakoo-gray-200);
  transition: var(--transition);
}

.step-dot.active {
  background: var(--kezakoo-gradient);
  width: 24px;
  border-radius: 4px;
}

.step-dot.completed {
  background: var(--kezakoo-green);
}

/* ---- Views ---- */
.view {
  display: none;
  padding: 16px 32px 32px;
  animation: fadeIn 0.35s ease;
}

.view.active {
  display: block;
}

.intro-hero {
  padding: 4px 0 6px;
}

.intro-title {
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
  color: var(--kezakoo-gray-900);
}

.intro-subtitle {
  color: var(--kezakoo-gray-500);
  margin-bottom: 16px;
  font-size: 14px;
}

.intro-card {
  background: linear-gradient(180deg, #fff7ef 0%, #fff 100%);
  border: 1px solid #ffd9bb;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(255, 121, 0, 0.08);
}

.intro-card ul {
  margin: 8px 0 14px 22px;
  color: var(--kezakoo-gray-700);
}

.intro-card li {
  margin-bottom: 6px;
}

.intro-btn {
  margin-top: 16px;
}

.consultation-info {
  background: var(--kezakoo-gray-50);
  border: 1px solid var(--kezakoo-gray-200);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 18px;
}

.consultation-title {
  font-weight: 700;
  color: var(--kezakoo-gray-900);
  margin-bottom: 10px;
}

.intro-card .consultation-title {
  margin-bottom: 14px;
}

.intro-card .consultation-meta + .consultation-meta {
  margin-top: 10px;
}

.consultation-info ul {
  margin: 0 0 10px 18px;
  color: var(--kezakoo-gray-700);
}

.consultation-info li {
  margin-bottom: 6px;
}

.consultation-meta {
  color: var(--kezakoo-gray-700);
  font-weight: 600;
  margin-top: 6px;
}

.profile-summary {
  background: var(--kezakoo-light-peach);
  border: 1px solid #ffd5b0;
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.profile-summary-title {
  font-weight: 700;
  margin-bottom: 8px;
}

.profile-summary-item {
  margin-bottom: 4px;
  font-size: 14px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Form ---- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--kezakoo-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--kezakoo-gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--kezakoo-gray-900);
  background: var(--kezakoo-white);
  transition: var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--kezakoo-orange);
  box-shadow: 0 0 0 3px rgba(255, 121, 0, 0.12);
}

.form-group input::placeholder {
  color: var(--kezakoo-gray-300);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236b7280'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ---- Buttons ---- */
.btn {
  width: 100%;
  padding: 15px;
  background: var(--kezakoo-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 59, 34, 0.35);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--kezakoo-gray-100);
  color: var(--kezakoo-gray-700);
}

.btn-secondary:hover {
  background: var(--kezakoo-gray-200);
  box-shadow: var(--shadow-sm);
}

/* ---- Calendar ---- */
.calendar-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.calendar-nav h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--kezakoo-gray-900);
}

.nav-btn {
  background: var(--kezakoo-gray-100);
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  color: var(--kezakoo-gray-700);
  line-height: 1;
}

.nav-btn:hover {
  background: var(--kezakoo-light-peach);
  color: var(--kezakoo-orange);
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 20px;
  max-width: 100%;
}

.day-header {
  text-align: center;
  font-weight: 700;
  color: var(--kezakoo-gray-500);
  padding: 8px 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.day-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  font-size: 14px;
  position: relative;
}

.day-cell:hover:not(.disabled) {
  background: var(--kezakoo-light-peach);
  color: var(--kezakoo-orange);
}

.day-cell.disabled {
  color: var(--kezakoo-gray-300);
  cursor: not-allowed;
}

.day-cell.today {
  background: var(--kezakoo-light-lavender);
  color: var(--kezakoo-blue);
  font-weight: 700;
}

.day-cell.selected {
  background: var(--kezakoo-gradient);
  color: white;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(255, 59, 34, 0.3);
}

.day-cell.fully-booked {
  color: var(--kezakoo-gray-300);
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ---- Time Slots ---- */
.time-section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--kezakoo-gray-500);
  margin: 16px 0 10px;
}

.time-section-label:first-of-type {
  margin-top: 0;
}

.time-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.time-slot {
  padding: 12px 8px;
  text-align: center;
  border: 2px solid var(--kezakoo-gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  font-size: 14px;
  background: var(--kezakoo-white);
}

.time-slot:hover:not(.disabled) {
  border-color: var(--kezakoo-orange);
  background: var(--kezakoo-light-peach);
  color: var(--kezakoo-orange);
}

.time-slot.disabled {
  color: var(--kezakoo-gray-300);
  cursor: not-allowed;
  opacity: 0.5;
  background: var(--kezakoo-gray-50);
}

.time-slot.selected {
  background: var(--kezakoo-gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(255, 59, 34, 0.3);
}

.selected-date-text {
  margin-bottom: 20px;
  color: var(--kezakoo-gray-500);
  font-size: 14px;
}

.selected-date-text strong {
  color: var(--kezakoo-gray-900);
}

/* ---- Confirmation ---- */
.confirmation-card {
  background: var(--kezakoo-gray-50);
  padding: 24px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  border: 1px solid var(--kezakoo-gray-200);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--kezakoo-gray-200);
}

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

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

.detail-label {
  font-weight: 600;
  color: var(--kezakoo-gray-500);
  font-size: 13px;
}

.detail-value {
  font-weight: 600;
  color: var(--kezakoo-gray-900);
  font-size: 14px;
  text-align: right;
}

.btn-group {
  display: flex;
  gap: 10px;
}

.btn-group .btn {
  flex: 1;
}

/* ---- Success ---- */
.success-container {
  text-align: center;
  padding: 20px 0;
}

.success-icon-wrapper {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #0dc49f, #0aa87f);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(13, 196, 159, 0.3);
}

.success-icon-wrapper svg {
  width: 36px;
  height: 36px;
  stroke: white;
  stroke-width: 3;
  fill: none;
}

.success-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--kezakoo-gray-900);
  margin-bottom: 8px;
}

.success-subtitle {
  color: var(--kezakoo-gray-500);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.success-consultation-card {
  text-align: left;
  background: linear-gradient(180deg, #fff7ef 0%, #fff 100%);
  border: 1px solid #ffd9bb;
  border-radius: 14px;
  padding: 16px;
  margin: 0 0 18px;
}

.success-consultation-title {
  font-weight: 700;
  color: var(--kezakoo-gray-900);
  margin-bottom: 8px;
}

.success-consultation-card ul {
  margin: 0 0 10px 18px;
  color: var(--kezakoo-gray-700);
}

.success-consultation-card li {
  margin-bottom: 5px;
}

.success-consultation-meta {
  color: var(--kezakoo-gray-700);
  font-weight: 600;
  margin-top: 4px;
}

/* ---- Loading ---- */
.loading-container {
  text-align: center;
  padding: 40px 0;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--kezakoo-gray-200);
  border-top-color: var(--kezakoo-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

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

.loading-text {
  color: var(--kezakoo-gray-500);
  font-size: 14px;
  font-weight: 500;
}

/* ---- Error Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--kezakoo-gray-900);
  color: white;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 90vw;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: var(--kezakoo-coral);
}

.toast.success {
  background: var(--kezakoo-green);
}

/* ---- Responsive ---- */
@media (max-width: 560px) {
  body {
    padding: 0;
    align-items: flex-start;
  }

  .kezakoo-app {
    border-radius: 0;
    max-width: 100%;
    min-height: 100vh;
    box-shadow: none;
  }

  .kezakoo-header {
    padding: 24px 20px;
  }

  .view {
    padding: 16px 20px 24px;
  }

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

  .header-logo {
    max-height: 36px;
  }

  .btn-group {
    flex-direction: column;
  }
}

/* ---- Powered by ---- */
.powered-by {
  text-align: center;
  padding: 16px;
  font-size: 11px;
  color: var(--kezakoo-gray-300);
  letter-spacing: 0.3px;
}

.powered-by img {
  height: 14px;
  vertical-align: middle;
  margin-left: 4px;
  opacity: 0.4;
}