/* Kian Dental Clinic — Premium Clinical Theme */
:root {
  --kdc-primary: #0a6e7a;
  --kdc-primary-dark: #064e56;
  --kdc-primary-light: #1296a5;
  --kdc-accent: #3ecfbf;
  --kdc-accent-soft: #e6f9f6;
  --kdc-navy: #0c2d36;
  --kdc-text: #1a2f36;
  --kdc-muted: #5a737a;
  --kdc-bg: #f5fafb;
  --kdc-white: #ffffff;
  --kdc-border: #d4e5e8;
  --kdc-success: #1a9e6e;
  --kdc-warning: #d4a017;
  --kdc-danger: #c43c3c;
  --kdc-info: #2b7cb5;
  --kdc-shadow: 0 12px 40px rgba(6, 78, 86, 0.1);
  --kdc-shadow-sm: 0 4px 16px rgba(6, 78, 86, 0.08);
  --kdc-radius: 16px;
  --kdc-radius-sm: 10px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--kdc-text);
  background: var(--kdc-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, .display-font {
  font-family: var(--font-display);
  font-weight: 550;
  letter-spacing: -0.02em;
  color: var(--kdc-navy);
}

a { color: var(--kdc-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--kdc-primary-dark); }

img { max-width: 100%; height: auto; }

/* Buttons */
.btn-kdc {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-kdc-primary {
  background: linear-gradient(135deg, var(--kdc-primary-light), var(--kdc-primary-dark));
  color: #fff !important;
  box-shadow: 0 8px 24px rgba(10, 110, 122, .35);
}
.btn-kdc-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(10, 110, 122, .45);
  color: #fff !important;
}
.btn-kdc-outline {
  background: transparent;
  color: #fff !important;
  border: 2px solid rgba(255,255,255,.75);
}
.btn-kdc-outline:hover {
  background: rgba(255,255,255,.12);
  color: #fff !important;
}
.btn-kdc-light {
  background: #fff;
  color: var(--kdc-primary) !important;
  box-shadow: var(--kdc-shadow-sm);
}
.btn-kdc-light:hover { transform: translateY(-2px); color: var(--kdc-primary-dark) !important; }

/* Navbar */
.kdc-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1040;
  padding: 1rem 0;
  transition: background .3s, box-shadow .3s, padding .3s;
  background: transparent;
}
.kdc-nav.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  box-shadow: var(--kdc-shadow-sm);
  padding: .65rem 0;
}
.kdc-nav .brand {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
}
.kdc-nav .brand-logo {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
}
.kdc-nav.scrolled .brand { color: var(--kdc-navy); }
.kdc-nav .brand span { color: var(--kdc-accent); }
.kdc-nav .nav-link {
  color: rgba(255,255,255,.9) !important;
  font-weight: 500;
  font-size: .92rem;
  padding: .4rem .85rem !important;
}
.kdc-nav.scrolled .nav-link { color: var(--kdc-text) !important; }
.kdc-nav .nav-link:hover { color: var(--kdc-accent) !important; }
.kdc-nav.scrolled .nav-link:hover { color: var(--kdc-primary) !important; }
.kdc-nav.nav-solid {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  box-shadow: var(--kdc-shadow-sm);
}
.kdc-nav.nav-solid .brand { color: var(--kdc-navy); }
.kdc-nav.nav-solid .nav-link { color: var(--kdc-text) !important; }

/* Hero */
.kdc-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(6,40,48,.82) 0%, rgba(10,110,122,.55) 55%, rgba(62,207,191,.25) 100%),
    url('https://images.unsplash.com/photo-1606811841689-23dfddce3e95?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.kdc-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, transparent 30%, rgba(6,40,48,.35) 100%);
  pointer-events: none;
}
.kdc-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-top: 5rem;
}
.kdc-hero .brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: .75rem;
  color: #fff;
}
.kdc-hero .brand-mark em {
  font-style: italic;
  color: var(--kdc-accent);
}
.kdc-hero .hero-tagline {
  font-size: 1.15rem;
  color: rgba(255,255,255,.88);
  max-width: 480px;
  margin-bottom: 2rem;
}
.hero-float {
  position: absolute;
  border-radius: 50%;
  background: rgba(62,207,191,.15);
  animation: floatY 8s ease-in-out infinite;
  z-index: 1;
}
.hero-float.f1 { width: 180px; height: 180px; top: 18%; right: 12%; animation-delay: 0s; }
.hero-float.f2 { width: 90px; height: 90px; bottom: 22%; right: 28%; animation-delay: 2s; }
.hero-float.f3 { width: 50px; height: 50px; top: 35%; right: 35%; animation-delay: 4s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

/* Sections */
.kdc-section { padding: 5.5rem 0; }
.kdc-section-alt {
  background: linear-gradient(180deg, #fff 0%, var(--kdc-accent-soft) 100%);
}
.section-eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--kdc-primary-light);
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}
.section-lead {
  color: var(--kdc-muted);
  font-size: 1.05rem;
  max-width: 540px;
}

/* Booking widget */
.booking-widget {
  background: rgba(255,255,255,.96);
  border-radius: var(--kdc-radius);
  box-shadow: var(--kdc-shadow);
  padding: 1.75rem;
  color: var(--kdc-text);
}
.booking-widget h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}
.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: .65rem;
}
.slot-btn {
  border: 1.5px solid var(--kdc-border);
  background: #fff;
  border-radius: var(--kdc-radius-sm);
  padding: .75rem .5rem;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  font-size: .85rem;
}
.slot-btn .time { font-weight: 700; display: block; color: var(--kdc-navy); }
.slot-btn .status { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.slot-btn.available { border-color: var(--kdc-accent); }
.slot-btn.available:hover {
  background: var(--kdc-primary);
  border-color: var(--kdc-primary);
  transform: translateY(-2px);
}
.slot-btn.available:hover .time,
.slot-btn.available:hover .status { color: #fff; }
.slot-btn.available .status { color: var(--kdc-success); }
.slot-btn.booked {
  background: #f4f4f4;
  opacity: .65;
  cursor: not-allowed;
}
.slot-btn.booked .status { color: var(--kdc-danger); }
.slot-btn.almost_full .status { color: var(--kdc-warning); }
.slot-btn.closed { opacity: .4; cursor: not-allowed; }

.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 4px;
  animation: pulse 2s infinite;
}
.status-dot.available { background: var(--kdc-success); }
.status-dot.almost_full { background: var(--kdc-warning); }
.status-dot.booked { background: var(--kdc-danger); animation: none; }
.status-dot.closed { background: #888; animation: none; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.2); }
}

/* Cards */
.service-card, .dentist-card, .why-card {
  background: #fff;
  border-radius: var(--kdc-radius);
  overflow: hidden;
  box-shadow: var(--kdc-shadow-sm);
  height: 100%;
  transition: transform .3s, box-shadow .3s;
  border: 1px solid transparent;
}
.service-card:hover, .dentist-card:hover, .why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--kdc-shadow);
  border-color: var(--kdc-border);
}
.service-card {
  display: flex;
  flex-direction: column;
}
.service-card .img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--kdc-primary), var(--kdc-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2.5rem;
}
.service-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .55s ease;
}
.service-card:hover .img-wrap img {
  transform: scale(1.08);
}
.service-card .img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(6, 40, 48, .45) 100%);
  pointer-events: none;
  opacity: .85;
}
.service-card .img-badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 2;
  background: rgba(255,255,255,.95);
  color: var(--kdc-primary);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .35rem .7rem;
  border-radius: 999px;
  box-shadow: var(--kdc-shadow-sm);
}
.service-card .body {
  padding: 1.35rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card .body h5 {
  font-size: 1.15rem;
  margin-bottom: .65rem;
  line-height: 1.3;
}
.service-card .body p {
  flex: 1;
}
.service-card .service-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .85rem;
}
.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 700;
  font-size: .9rem;
  margin-top: .5rem;
}
.service-card .service-link i {
  transition: transform .2s;
}
.service-card:hover .service-link i {
  transform: translateX(4px);
}
.dentist-card .body, .why-card .body { padding: 1.35rem; }
.price-tag {
  font-weight: 700;
  color: var(--kdc-primary);
  font-size: 1.1rem;
}
.duration-badge {
  font-size: .75rem;
  background: var(--kdc-accent-soft);
  color: var(--kdc-primary);
  padding: .25rem .6rem;
  border-radius: 999px;
  font-weight: 600;
}

.dentist-card .photo {
  height: 240px;
  background: linear-gradient(160deg, #0a6e7a, #3ecfbf);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}
.dentist-card .photo i { font-size: 8rem; color: rgba(255,255,255,.35); margin-bottom: -1rem; }

.why-card .icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--kdc-accent-soft);
  color: var(--kdc-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

/* Testimonials */
.testimonial-card {
  background: #fff;
  border-radius: var(--kdc-radius);
  padding: 1.75rem;
  box-shadow: var(--kdc-shadow-sm);
  height: 100%;
}
.stars { color: #f5b942; letter-spacing: 2px; }

/* Gallery */
.gallery-grid {
  columns: 3 280px;
  column-gap: 1rem;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--kdc-radius-sm);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform .4s;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--kdc-primary-light), var(--kdc-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--kdc-navy), var(--kdc-primary));
  color: #fff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { color: #fff; }

/* Footer */
.kdc-footer {
  background: var(--kdc-navy);
  color: rgba(255,255,255,.75);
  padding: 4rem 0 2rem;
}
.kdc-footer h5 {
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 1.25rem;
}
.kdc-footer a { color: rgba(255,255,255,.7); }
.kdc-footer a:hover { color: var(--kdc-accent); }
.kdc-footer .brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
}
.kdc-footer .brand-logo {
  height: 88px;
  width: auto;
  display: block;
  object-fit: contain;
  background: #fff;
  border-radius: .65rem;
  padding: .35rem .5rem;
}

/* Page header (inner pages) */
.page-hero {
  padding: 8rem 0 3.5rem;
  background: linear-gradient(120deg, var(--kdc-navy), var(--kdc-primary));
  color: #fff;
}
.page-hero h1 { color: #fff; }

/* Booking steps */
.booking-steps {
  display: flex;
  gap: .5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.booking-steps .step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: .75rem;
  border-radius: var(--kdc-radius-sm);
  background: #fff;
  border: 2px solid var(--kdc-border);
  font-size: .85rem;
  font-weight: 600;
  color: var(--kdc-muted);
}
.booking-steps .step.active {
  border-color: var(--kdc-primary);
  color: var(--kdc-primary);
  background: var(--kdc-accent-soft);
}
.booking-steps .step.done {
  border-color: var(--kdc-success);
  color: var(--kdc-success);
}
.booking-panel {
  background: #fff;
  border-radius: var(--kdc-radius);
  padding: 2rem;
  box-shadow: var(--kdc-shadow-sm);
}
.step-pane { display: none; }
.step-pane.active { display: block; animation: fadeUp .35s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Confirmation */
.confirm-check {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--kdc-accent-soft);
  color: var(--kdc-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  animation: scaleIn .5s ease;
}
@keyframes scaleIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
.ref-code {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--kdc-primary);
  letter-spacing: .04em;
}

/* Status badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .75rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-pending { background: #fff3cd; color: #856404; }
.badge-confirmed { background: #d1e7dd; color: #0f5132; }
.badge-completed { background: #cfe2ff; color: #084298; }
.badge-cancelled { background: #f8d7da; color: #842029; }
.badge-no_show { background: #e2e3e5; color: #41464b; }
.badge-rescheduled { background: #e0cffc; color: #5a2d91; }

/* Admin / Client dashboards */
.dash-body {
  background: #eef5f6;
  min-height: 100vh;
}
.dash-sidebar {
  width: 260px;
  background: var(--kdc-navy);
  color: #fff;
  min-height: 100vh;
  position: fixed;
  left: 0; top: 0;
  overflow-y: auto;
  z-index: 100;
  padding: 1.5rem 0;
}
.dash-sidebar .brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  padding: 0 1.25rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 1rem;
  color: #fff;
  text-align: center;
}
.dash-sidebar .brand-logo {
  max-width: 140px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto .35rem;
  background: #fff;
  border-radius: .65rem;
  padding: .4rem .5rem;
  object-fit: contain;
}
.dash-sidebar .brand small {
  display: block;
  font-family: var(--font-body);
  font-size: .7rem;
  opacity: .6;
  margin-top: .25rem;
}
.auth-logo {
  max-width: 160px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  background: #fff;
  border-radius: .85rem;
  padding: .5rem .65rem;
  object-fit: contain;
}
.dash-sidebar .nav-link {
  color: rgba(255,255,255,.7);
  padding: .65rem 1.5rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9rem;
  border-left: 3px solid transparent;
}
.dash-sidebar .nav-link:hover,
.dash-sidebar .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-left-color: var(--kdc-accent);
}
.dash-sidebar .nav-section {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.4);
  padding: 1rem 1.5rem .4rem;
  font-weight: 700;
}
.dash-main {
  margin-left: 260px;
  padding: 1.5rem 2rem 3rem;
}
.stat-card {
  background: #fff;
  border-radius: var(--kdc-radius-sm);
  padding: 1.35rem;
  box-shadow: var(--kdc-shadow-sm);
  height: 100%;
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--kdc-navy);
  line-height: 1.1;
}
.stat-card .stat-label {
  font-size: .8rem;
  color: var(--kdc-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stat-card .stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kdc-accent-soft);
  color: var(--kdc-primary);
  font-size: 1.2rem;
}
.dash-card {
  background: #fff;
  border-radius: var(--kdc-radius-sm);
  box-shadow: var(--kdc-shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.dash-card h5 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.table-kdc {
  width: 100%;
  font-size: .9rem;
}
.table-kdc th {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--kdc-muted);
  border-bottom: 1px solid var(--kdc-border);
  padding: .75rem;
  font-weight: 700;
}
.table-kdc td {
  padding: .85rem .75rem;
  border-bottom: 1px solid #f0f4f5;
  vertical-align: middle;
}
.form-control, .form-select {
  border-radius: var(--kdc-radius-sm);
  border-color: var(--kdc-border);
  padding: .7rem 1rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--kdc-primary-light);
  box-shadow: 0 0 0 3px rgba(10,110,122,.15);
}
.form-label { font-weight: 600; font-size: .875rem; color: var(--kdc-navy); }

.alert { border-radius: var(--kdc-radius-sm); border: none; }

/* Auth */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--kdc-navy), var(--kdc-primary));
  padding: 2rem 0;
}
.auth-card {
  background: #fff;
  border-radius: var(--kdc-radius);
  padding: 2.5rem;
  box-shadow: var(--kdc-shadow);
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
}

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, #e8f0f1 25%, #f5fafb 50%, #e8f0f1 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: 8px;
  height: 48px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive */
@media (max-width: 991px) {
  .dash-sidebar {
    transform: translateX(-100%);
    transition: transform .3s;
  }
  .dash-sidebar.open { transform: translateX(0); }
  .dash-main { margin-left: 0; padding: 1rem; }
  .kdc-hero { min-height: 90vh; }
  .gallery-grid { columns: 2 160px; }
}
@media (max-width: 575px) {
  .gallery-grid { columns: 1; }
  .slot-grid { grid-template-columns: repeat(2, 1fr); }
}