/* ==========================================================================
   文化皮膚科診所 - Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700&family=Open+Sans:wght@300;400;600&display=swap');

:root {
  --blue: #62a2ca;
  --blue-dark: #4a85b0;
  --peach: #f8ebe4;
  --peach-dark: #f4d2be;
  --gray: #666666;
  --gray-light: #f5f5f5;
  --text: #333333;
  --white: #ffffff;
  --red: #e74c3c;
  --gold: #f1c40f;
  --shadow: rgba(0,0,0,0.1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans TC', 'Open Sans', sans-serif;
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  background: var(--white);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */
#header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 8px var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo img {
  height: 52px;
  width: auto;
}

nav.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

nav.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--gray);
  border-radius: 4px;
  transition: color .2s, background .2s;
  letter-spacing: 1px;
}

nav.main-nav a:hover { color: var(--blue); background: var(--gray-light); }

nav.main-nav .btn-queue {
  background: var(--blue);
  color: var(--white) !important;
  border-radius: 20px;
  padding: 8px 18px;
  font-weight: 500;
  transition: background .2s;
}

nav.main-nav .btn-queue:hover { background: var(--blue-dark); }

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray);
  transition: .3s;
}

/* ── Hero Slider ── */
#hero {
  position: relative;
  overflow: hidden;
  background: #dce8f0;
}

.slides {
  display: flex;
  transition: transform .6s ease;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.slide-caption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
}

.slide-caption h1 {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 10px;
  margin-bottom: 12px;
}

.slide-caption p {
  font-size: 1.1rem;
  letter-spacing: 6px;
  color: var(--peach);
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.3);
  border: none;
  color: #fff;
  font-size: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2;
  transition: background .2s;
}

.slider-btn:hover { background: rgba(255,255,255,.6); }
.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }

.slider-dots {
  position: absolute;
  bottom: 16px;
  width: 100%;
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  border: none;
  transition: background .2s;
}

.slider-dot.active { background: var(--white); }

/* ── Section common ── */
.section { padding: 72px 0; }
.section-alt { background: var(--gray-light); }
.section-peach { background: var(--peach); }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 5px;
  color: var(--text);
  margin-bottom: 12px;
}

.section-title .en {
  font-size: 0.9rem;
  color: var(--blue);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.section-title .divider {
  width: 48px;
  height: 2px;
  background: var(--blue);
  margin: 12px auto 0;
}

/* ── About ── */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

#about .about-text p {
  color: var(--gray);
  line-height: 2;
  margin-bottom: 16px;
}

#about .about-text h3 {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 4px;
  margin-bottom: 20px;
  color: var(--text);
}

#about .about-img img {
  border-radius: 8px;
  box-shadow: 0 8px 32px var(--shadow);
}

/* ── Treatments ── */
#treatments .treatments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.treatment-card {
  text-align: center;
  padding: 24px 16px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 2px 12px var(--shadow);
  transition: transform .2s, box-shadow .2s;
}

.treatment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(98,162,202,.2);
}

.treatment-card img {
  height: 80px;
  width: auto;
  margin-bottom: 12px;
  object-fit: contain;
}

.treatment-card p {
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 1px;
}

/* ── Doctors ── */
#doctors .doctors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.doctor-card {
  text-align: center;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px var(--shadow);
  transition: transform .2s;
}

.doctor-card:hover { transform: translateY(-6px); }

.doctor-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: top;
}

.doctor-info {
  padding: 24px 20px;
}

.doctor-name {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.doctor-title {
  font-size: 0.85rem;
  color: var(--blue);
  margin-bottom: 12px;
}

.doctor-spec {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.8;
}

/* ── Schedule Table ── */
#schedule .schedule-wrap {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.schedule-table th {
  background: var(--blue);
  color: var(--white);
  padding: 12px;
  text-align: center;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 1px;
}

.schedule-table td {
  padding: 14px 10px;
  text-align: center;
  border-bottom: 1px solid #e8e8e8;
  vertical-align: middle;
}

.schedule-table td.time-label {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  text-align: center;
}

.check-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
  background: var(--blue);
  border-radius: 50%;
  position: relative;
}

.check-icon::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.closed {
  color: var(--peach-dark);
  font-size: 18px;
}

/* ── Monthly Schedule ── */
#monthly-schedule .schedule-image-wrap {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

#monthly-schedule .schedule-image-wrap img {
  border-radius: 8px;
  box-shadow: 0 4px 20px var(--shadow);
  max-height: 800px;
  object-fit: contain;
}

#monthly-schedule .schedule-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--gray);
}

/* ── Queue Section ── */
#queue {
  background: var(--blue);
  color: var(--white);
}

#queue .queue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 600px;
  margin: 0 auto;
}

.queue-card {
  text-align: center;
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 32px 24px;
}

.queue-label {
  font-size: 1.1rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
  opacity: .85;
}

.queue-number {
  font-size: 4rem;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 8px;
}

.queue-status {
  font-size: 0.85rem;
  opacity: .7;
}

.queue-note {
  text-align: center;
  margin-top: 24px;
  font-size: 0.85rem;
  opacity: .7;
}

.btn-mainpi {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 28px;
  background: rgba(255,255,255,.2);
  border: 2px solid rgba(255,255,255,.5);
  color: var(--white);
  border-radius: 24px;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: background .2s;
}

.btn-mainpi:hover { background: rgba(255,255,255,.35); }

/* ── News ── */
#news .news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 2px 12px var(--shadow);
  transition: transform .2s;
}

.news-card:hover { transform: translateY(-4px); }

.news-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.news-card-body { padding: 20px; }

.news-date { font-size: 0.8rem; color: var(--blue); margin-bottom: 6px; }
.news-title { font-size: 1rem; font-weight: 500; letter-spacing: 1px; }

/* ── Contact / Directions ── */
#contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.1rem;
  letter-spacing: 3px;
  margin-bottom: 24px;
  font-weight: 500;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--gray);
}

.contact-icon {
  font-size: 1rem;
  color: var(--blue);
  min-width: 24px;
  margin-top: 3px;
  text-align: center;
}

.contact-item a { color: var(--blue); }
.contact-item a:hover { text-decoration: underline; }

.contact-map img {
  border-radius: 8px;
  width: 100%;
  box-shadow: 0 4px 16px var(--shadow);
}

.directions-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.directions-images img {
  border-radius: 8px;
  width: 100%;
}

/* ── Environment grid ── */
.env-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.env-grid img {
  border-radius: 8px;
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

@media (max-width: 700px) {
  .env-grid { grid-template-columns: 1fr 1fr; }
}

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

/* ── Lightbox ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}

#lightbox.active { display: flex; }

#lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 6px;
  object-fit: contain;
  box-shadow: 0 8px 48px rgba(0,0,0,.6);
}

#lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  opacity: .8;
  transition: opacity .15s;
}

#lightbox-close:hover { opacity: 1; }

/* ── Footer ── */
footer {
  background: #2c3e50;
  color: rgba(255,255,255,.7);
  padding: 40px 0;
  text-align: center;
}

footer .footer-logo { margin-bottom: 20px; }
footer .footer-logo img { height: 36px; filter: brightness(0) invert(1); opacity: .8; }

footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

footer .footer-links a {
  font-size: 0.85rem;
  opacity: .7;
  transition: opacity .2s;
}

footer .footer-links a:hover { opacity: 1; }

footer .footer-copy {
  font-size: 0.8rem;
  opacity: .5;
}

/* ── Mobile Menu ── */
@media (max-width: 860px) {
  .menu-toggle { display: flex; }

  nav.main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 16px var(--shadow);
    padding: 16px 24px 24px;
    transform: translateY(-120%);
    transition: transform .3s ease;
    z-index: 99;
  }

  nav.main-nav.open { transform: translateY(0); }

  nav.main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  nav.main-nav a { padding: 12px 16px; font-size: 15px; }

  #about .about-grid { grid-template-columns: 1fr; }
  #about .about-img { order: -1; }

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

  #doctors .doctors-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }

  #queue .queue-grid { grid-template-columns: 1fr; max-width: 300px; }

  #news .news-grid { grid-template-columns: 1fr; }

  #contact .contact-grid { grid-template-columns: 1fr; }

  .slide img { height: 260px; }
  .slide-caption h1 { font-size: 1.5rem; letter-spacing: 5px; }
  .slide-caption p { font-size: 0.9rem; }
}

@media (max-width: 540px) {
  #treatments .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 48px 0; }
}