/* ============================================================
   SmartCity.th — Stylesheet
   Theme: Deep Navy + Saffron Gold
   Sections:
     1. Design Tokens (CSS Variables)
     2. Reset & Base
     3. Header & Navigation
     4. Mobile Navigation
     5. Page System
     6. Hero (SmartCity Banner)
     7. Home Sections & Category Folders
     8. App Cards (Grid View)
     9. Search & Filter Page
    10. App List Rows (Table View)
    11. App Detail Page
    12. About Page
    13. Contact Page
    14. Footer
    15. Utilities (Scroll-to-top, Empty State, Badges)
    16. Share Sheet
    17. Welcome / Sector Lock Screen
    18. Sector Button
    19. Responsive Overrides
============================================================ */


/* ── 1. DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:           #f5f3ee;
  --bg2:          #ede9e1;
  --surface:      #ffffff;
  --surface2:     #faf8f4;

  /* Borders */
  --border:       #ddd8ce;
  --border-soft:  #ede9e1;

  /* Text */
  --text:         #1a1814;
  --text2:        #3d3830;
  --muted:        #8a8070;

  /* Brand — Primary (Navy) */
  --primary:      #1a3a5c;
  --primary-mid:  #1e4878;
  --primary-lite: #e8eef6;

  /* Brand — Accent (Gold) */
  --accent:       #c8922a;
  --accent-lite:  #fdf3e3;
  --accent-dark:  #a0701a;

  /* Semantic */
  --green:        #2d6a4f;
  --green-lite:   #e8f5ee;
  --red:          #c0392b;

  /* Hero gradient */
  --smartcity-grad: linear-gradient(135deg, #0d2237 0%, #1a3a5c 40%, #1e5c8c 75%, #c8922a 100%);

  /* Shadows */
  --shadow-sm:    0 1px 4px rgba(26,24,20,.06), 0 2px 8px rgba(26,24,20,.04);
  --shadow:       0 4px 20px rgba(26,24,20,.08), 0 1px 4px rgba(26,24,20,.04);
  --shadow-hover: 0 8px 36px rgba(26,24,20,.14), 0 2px 8px rgba(26,24,20,.06);
  --shadow-lift:  0 16px 48px rgba(26,24,20,.16);

  /* Shape */
  --radius:       12px;
  --radius-lg:    18px;
  --radius-xl:    24px;

  /* Typography */
  --font-display: 'DM Sans', 'Noto Sans Thai', sans-serif;
  --font-body:    'DM Sans', 'Noto Sans Thai', sans-serif;

  /* Motion */
  --transition:   all .22s cubic-bezier(.4,0,.2,1);
}

/* Dark mode token overrides */
[data-theme="dark"] {
  --bg:           #111018;
  --bg2:          #0d0c13;
  --surface:      #1c1b25;
  --surface2:     #161520;
  --border:       #2e2c3a;
  --border-soft:  #252433;
  --text:         #f0ede6;
  --text2:        #c8c3b8;
  --muted:        #7c7890;
  --primary:      #5b9bd5;
  --primary-mid:  #4a8ac4;
  --primary-lite: #1a2a3e;
  --accent:       #e0a840;
  --accent-lite:  #2a2010;
  --accent-dark:  #f0b850;
  --green:        #4caf80;
  --green-lite:   #102820;
  --red:          #e05a50;
  --smartcity-grad: linear-gradient(135deg, #050810 0%, #0d1e30 40%, #112240 75%, #3a2800 100%);
  --shadow-sm:    0 1px 4px rgba(0,0,0,.3);
  --shadow:       0 4px 20px rgba(0,0,0,.4);
  --shadow-hover: 0 8px 36px rgba(0,0,0,.55);
  --shadow-lift:  0 16px 48px rgba(0,0,0,.6);
}


/* ── 2. RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}


/* ── 3. HEADER & NAVIGATION ───────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(245, 243, 238, .92);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

[data-theme="dark"] header {
  background: rgba(17, 16, 24, .92);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: clamp(56px, 5vw, 72px);
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .7rem;
  cursor: pointer;
  color: var(--text);
  flex-shrink: 0;
}

.logo img { height: clamp(24px, 3vw, 80px); width: auto; }

.logo-text {
  font-family: var(--font-display);
  font-size: clamp(.85rem, 1.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: -.01em;
}

.logo-text span { color: var(--accent); }

/* Desktop nav links */
nav {
  display: flex;
  align-items: center;
  gap: .1rem;
}

nav a {
  font-family: var(--font-body);
  text-decoration: none;
  color: var(--muted);
  font-size: clamp(.8rem, 1.2vw, 1rem);
  font-weight: 500;
  padding: .45rem .9rem;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: .01em;
}

nav a:hover,
nav a.active {
  background: var(--primary-lite);
  color: var(--primary);
  font-weight: 600;
}

[data-theme="dark"] nav a:hover,
[data-theme="dark"] nav a.active {
  background: rgba(91,155,213,.12);
  color: var(--primary);
}

/* Right-side controls */
.nav-right {
  display: flex;
  align-items: center;
  gap: .45rem;
}

/* Language toggle pill */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--surface2);
  border-radius: 999px;
  padding: 3px;
  border: 1px solid var(--border);
  gap: 2px;
}

.lang-btn {
  border: none;
  background: transparent;
  padding: .28rem .72rem;
  border-radius: 999px;
  font-size: clamp(.72rem, 1vw, .88rem);
  font-weight: 700;
  cursor: pointer;
  color: var(--muted);
  transition: var(--transition);
  letter-spacing: .04em;
  font-family: var(--font-body);
}

.lang-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 6px rgba(26,58,92,.25);
}

[data-theme="dark"] .lang-btn.active {
  background: var(--primary);
  color: #fff;
}

/* Dark/light mode toggle */
.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-btn:hover {
  background: var(--accent-lite);
  border-color: var(--accent);
  transform: rotate(15deg);
}

/* Hamburger button (mobile only — hidden on desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  padding: .48rem;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  z-index: 95;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.25s ease, width 0.3s ease;
  transform-origin: center;
}

/* Animate hamburger → X when menu is open */
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Sector pill (desktop header) */
.sector-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: var(--transition);
  white-space: nowrap;
}

.sector-btn:hover {
  background: var(--primary-lite);
  border-color: var(--primary);
  color: var(--primary);
}


/* ── 4. MOBILE NAVIGATION ─────────────────────────────────── */

/* Slide-down menu panel */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem;
  flex-direction: column;
  gap: .2rem;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 90;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Semi-transparent backdrop behind the menu */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 80;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav-backdrop.open { opacity: 1; }

.mobile-nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  padding: .55rem .75rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
}

.mobile-nav a:hover {
  color: var(--primary);
  background: var(--primary-lite);
}

/* Divider line inside the mobile menu */
.mobile-nav-divider {
  display: none;
}

/* Sector selector row (shown only on small screens) */
.mobile-nav-sector {
  display: none !important;
  align-items: center;
  gap: 0.5rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  padding: .55rem .75rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.mobile-nav-sector:hover {
  color: var(--primary);
  background: var(--primary-lite);
}

.mobile-nav-sector-val {
  margin: 0 auto;
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-lite);
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

/* Show divider + sector row on small phones */
@media (max-width: 525px) {
  .mobile-nav-divider {
    display: block;
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0.75rem;
  }

  .mobile-nav-sector { display: flex !important; }

  /* Hide desktop sector pill on small screens — use mobile row instead */
  .sector-btn { display: none; }
}


/* ── 5. PAGE SYSTEM ───────────────────────────────────────── */
/* Each "page" is a <div class="page">; only .active is shown */
.page {
  display: none;
  animation: pageIn .3s cubic-bezier(.4,0,.2,1);
}

.page.active { display: block; }

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}


/* ── 6. HERO (SmartCity Banner) ───────────────────────────── */
.smartcity {
  position: relative;
  overflow: hidden;
  background: var(--smartcity-grad);
  min-height: 520px;
  display: flex;
  align-items: center;
  width: 100%;
}

/* Subtle background photo overlay */
.smartcity-bg-img {
  position: absolute;
  inset: 0;
  background: url('smartcitybg.png') center/cover no-repeat;
  opacity: .18;
  mix-blend-mode: luminosity;
}

/* Decorative grid lines on top of the gradient */
.smartcity::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,146,42,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,146,42,.08) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.smartcity-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1.5rem 5.5rem;
  position: relative;
  z-index: 1;
  width: 100%;
}

.smartcity-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(200,146,42,.18);
  border: 1px solid rgba(200,146,42,.45);
  padding: .38rem 1rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  color: #e8c578;
  margin-bottom: 1.5rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

.smartcity h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.03em;
  max-width: 680px;
  margin-bottom: 1.1rem;
}

.smartcity h1 em {
  font-style: normal;
  color: #e8c578;
}

.smartcity p {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 2rem;
  font-weight: 300;
  line-height: 1.7;
}

.smartcity-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* Primary (white) CTA button */
.btn-primary {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: .875rem;
  padding: .8rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0,0,0,.2);
  font-family: var(--font-body);
  letter-spacing: .01em;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.28);
}

/* Ghost (transparent) secondary button */
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  font-weight: 600;
  font-size: .875rem;
  padding: .8rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.3);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  font-family: var(--font-body);
}

.btn-ghost:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
}

/* Stats row below the CTA buttons */
.smartcity-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.smartcity-stat {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.smartcity-stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.smartcity-stat-label {
  font-size: .75rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
}


/* ── 7. HOME SECTIONS & CATEGORY FOLDERS ──────────────────── */
.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 0;
}

/* Section heading row: coloured bar + icon + title */
.section-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.section-line {
  width: 3px;
  height: 22px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-lite);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

/* "Explore all" link below trending section */
.explore-link {
  max-width: 1280px;
  margin: 1rem auto 3rem;
  padding: 0 1.5rem;
}

.explore-link a {
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  padding: .5rem 0;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.explore-link a:hover { border-bottom-color: var(--primary); }

/* 7-column grid of category icons */
.category-folders {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: .85rem;
}

.cat-folder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  cursor: pointer;
  padding: 1rem .5rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
  text-align: center;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

/* White surface revealed on hover */
.cat-folder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--surface);
  border-radius: inherit;
  opacity: 0;
  transition: var(--transition);
}

.cat-folder:hover::before { opacity: 1; }

.cat-folder:hover {
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.cat-folder-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.cat-folder:hover .cat-folder-icon {
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.cat-folder-icon img {
  width: 78%;
  height: 78%;
  object-fit: contain;
}

.cat-folder-name {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  position: relative;
  z-index: 1;
}

.cat-folder-count {
  font-size: .7rem;
  color: var(--muted);
  position: relative;
  z-index: 1;
  background: var(--bg2);
  padding: .15rem .5rem;
  border-radius: 999px;
}

@media (max-width: 900px) {
  .category-folders { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 500px) {
  .category-folders { grid-template-columns: repeat(3, 1fr); }
}


/* ── 8. APP CARDS (Grid View) ─────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.25rem;
}

.app-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

/* Gold inner border glow on hover */
.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(200,146,42,0);
  transition: var(--transition);
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(200,146,42,.3);
}

.app-card:hover::after {
  box-shadow: inset 0 0 0 1px rgba(200,146,42,.3);
}

/* App icon thumbnail */
.card-thumb {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* Gradient overlay for badge readability */
.card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,.5) 100%);
}

/* Badge container (top-left of thumbnail) */
.card-badges {
  position: absolute;
  top: .65rem;
  left: .65rem;
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  z-index: 2;
}

/* "New" badge */
.badge-new {
  background: var(--green);
  color: #fff;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: .22rem .6rem;
  border-radius: 999px;
  font-family: var(--font-display);
}

/* "Popular" badge */
.badge-hot {
  background: var(--accent);
  color: #fff;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: .22rem .6rem;
  border-radius: 999px;
  font-family: var(--font-display);
}

.card-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .3rem;
}

.card-cat {
  font-size: .7rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-family: var(--font-display);
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

.card-desc {
  font-size: .82rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
}

/* "View details →" — slides in on card hover */
.card-arrow {
  font-size: .78rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
  padding-top: .6rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: .25rem;
}

.app-card:hover .card-arrow {
  opacity: 1;
  transform: none;
}


/* ── 9. SEARCH & FILTER PAGE ──────────────────────────────── */
.category-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.category-top {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.category-top h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
}

/* Search input row */
.search-box {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: .75rem 1.25rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,.08);
}

.search-box input {
  border: none;
  background: transparent;
  font-size: .95rem;
  outline: none;
  width: 100%;
  color: var(--text);
  font-family: var(--font-body);
}

.search-box input::placeholder { color: var(--muted); }

/* Microphone button — pulses red while listening */
@keyframes mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, .4); }
  50%       { box-shadow: 0 0 0 7px rgba(220, 38, 38, 0); }
}

.voice-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
}

.voice-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-lite);
}

.voice-btn.listening {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
  animation: mic-pulse 1.2s ease-in-out infinite;
}

.search-confirm-btn {
  flex-shrink: 0;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: .45rem 1rem;
  font-size: .85rem;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search-confirm-btn:hover { background: var(--primary-mid); }

/* Filter panel (Category / Target / Coverage / Platform / Sort) */
.filter-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.4rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.filter-row-label {
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  min-width: 72px;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--font-display);
}

.filter-row-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.filter-btn {
  border: 1px solid var(--border);
  background: transparent;
  padding: .32rem .85rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-lite);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

.results-count {
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: .75rem;
  font-weight: 500;
}


/* ── 10. APP LIST ROWS (Table View) ───────────────────────── */
.app-list-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Column header row */
.app-list-header {
  display: grid;
  grid-template-columns: 2.5fr 2fr 2fr;
  padding: .65rem 1.4rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: .68rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

/* Individual app row */
.app-list-row {
  display: grid;
  grid-template-columns: 2.5fr 2fr 2fr;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border-soft);
  cursor: pointer;
  transition: var(--transition);
  align-items: center;
  gap: 1rem;
}

.app-list-row:last-child { border-bottom: none; }
.app-list-row:hover { background: var(--surface2); }

/* App column: icon + name + short description */
.list-col-app {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.list-thumb {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
}

.list-app-info { display: flex; flex-direction: column; gap: .15rem; }

.list-app-name {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}

.list-app-sub {
  font-size: .78rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Description column */
.list-col-desc {
  font-size: .83rem;
  color: var(--muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Meta column: 2×2 grid of label+value pairs */
.list-col-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem .5rem;
}

.list-meta-block { display: flex; flex-direction: column; gap: .1rem; }

.list-meta-label {
  font-size: .62rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

.list-meta-val {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text2);
}

@media (max-width: 768px) {
  .app-list-header { display: none; }
  .app-list-row { grid-template-columns: 1fr; gap: .65rem; }
  .list-col-desc { display: none; }
  .list-col-meta { grid-template-columns: 1fr 1fr; }
}


/* ── 11. APP DETAIL PAGE ──────────────────────────────────── */
.detail-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* Back navigation button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .83rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 2rem;
  background: none;
  border: none;
  font-family: var(--font-body);
  padding: .45rem .75rem;
  border-radius: 8px;
  transition: var(--transition);
  margin-left: -.75rem;
}

.back-btn:hover {
  color: var(--primary);
  background: var(--primary-lite);
}

/* Top area: large icon + name/description */
.detail-smartcity-wrap {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.detail-smartcity-icon {
  width: 140px;
  height: 140px;
  border-radius: 35px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.detail-smartcity-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  inset: 0;
}

.detail-smartcity-info {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding-top: .5rem;
}

.detail-cat {
  font-size: .7rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-family: var(--font-display);
}

.detail-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--text);
}

.detail-desc {
  color: var(--muted);
  font-size: .95rem;
  max-width: 480px;
  line-height: 1.6;
}

.detail-badges {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: .25rem;
}

/* White card containing all detail fields */
.detail-content {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-soft);
}

/* 2-column grid for Feature / Target / Coverage / Cost etc. */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
  margin-top: 1.5rem;
}

/* Full-width row for Contact */
.detail-full {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-top: 1rem;
}

/* Individual label+value tile */
.detail-item {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  border: 1px solid var(--border-soft);
  transition: var(--transition);
}

.detail-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.detail-item-label {
  font-size: .65rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .35rem;
  font-family: var(--font-display);
}

.detail-item-val {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text2);
  line-height: 1.5;
}

/* App Store / Play Store / Website / Share buttons */
.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
}

.detail-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.25rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--border);
  color: var(--text2);
  background: var(--surface2);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}

.detail-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.detail-link svg { flex-shrink: 0; }
.detail-link:hover svg { filter: brightness(10); }

/* Share button variant (gold instead of navy) */
.detail-share-btn {
  background: var(--accent-lite);
  border-color: var(--accent);
  color: var(--accent-dark);
  cursor: pointer;
  font-family: var(--font-body);
}

.detail-share-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

[data-theme="dark"] .detail-share-btn { background: var(--accent-lite); color: var(--accent); }
[data-theme="dark"] .detail-share-btn:hover { background: var(--accent); color: #111; }

/* Clickable phone / email / address links in Contact tile */
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.contact-link:hover { text-decoration: underline; opacity: .8; }


/* ── 12. ABOUT PAGE ───────────────────────────────────────── */
.about-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.about-wrap h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -.035em;
  margin-bottom: 1rem;
  color: var(--text);
}

.about-wrap > p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 2.5rem;
}

/* Smart pillar cards grid */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.pillar {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.pillar:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(200,146,42,.3);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-lite);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.pillar h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .35rem;
  color: var(--text);
}

.pillar p {
  font-size: .83rem;
  color: var(--muted);
  line-height: 1.6;
}


/* ── 13. CONTACT PAGE ─────────────────────────────────────── */
.contact-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.contact-wrap h1 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .6rem;
  color: var(--text);
}

.contact-wrap > .sub {
  color: var(--muted);
  margin-bottom: 2.25rem;
  font-size: .95rem;
  line-height: 1.7;
}

.contact-form {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.form-group label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--font-display);
}

.form-group input,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .7rem 1rem;
  font-size: .9rem;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,.08);
  background: var(--surface);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

.submit-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: .8rem 1.75rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  align-self: flex-start;
  letter-spacing: .01em;
}

.submit-btn:hover {
  background: var(--primary-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}


/* ── 14. FOOTER ───────────────────────────────────────────── */
footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  background: var(--surface2);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.6rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--muted);
  gap: 1rem;
  flex-wrap: wrap;
}


/* ── 15. UTILITIES ────────────────────────────────────────── */

/* Shown when the filtered list returns zero results */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.empty-state-icon  { font-size: 3rem; margin-bottom: 12px; }
.empty-state-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.empty-state-sub   { font-size: 0.9rem; }

/* Floating button that appears after scrolling 300px */
#scroll-top-btn {
  position: fixed;
  bottom: 28px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
}

#scroll-top-btn.visible { opacity: 1; pointer-events: auto; }
#scroll-top-btn:hover   { transform: translateY(-3px); }


/* ── 16. SHARE SHEET ──────────────────────────────────────── */
/* Bottom-sheet overlay for sharing an app to LINE / Facebook etc. */
#share-sheet {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
}

#share-sheet.open { pointer-events: all; }

/* Darkened backdrop behind the panel */
#share-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.45);
  opacity: 0;
  transition: opacity .3s;
}

#share-sheet.open #share-sheet-backdrop { opacity: 1; }

/* Slide-up panel */
#share-sheet-panel {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: 20px 20px 0 0;
  padding: 24px 24px 32px;
  width: 100%;
  max-width: 480px;
  transform: translateY(100%);
  transition: transform .3s ease;
  box-shadow: 0 -4px 32px rgba(0,0,0,.15);
}

#share-sheet.open #share-sheet-panel { transform: translateY(0); }

#share-sheet-title {
  font-size: .85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 20px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#share-sheet-btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* Individual platform button (LINE, Facebook, X, etc.) */
.share-platform-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  font-size: .75rem;
  font-weight: 600;
  text-decoration: none;
  font-family: var(--font-body);
  min-width: 70px;
  transition: opacity .15s, transform .15s;
  color: #fff;
}

.share-platform-btn:hover { opacity: .85; transform: translateY(-2px); }

.share-line      { background: #06c755; }
.share-fb        { background: #1877f2; }
.share-messenger { background: #0084ff; }
.share-x         { background: #000; }
.share-more      { background: #6b7280; }
.share-copy      { background: var(--border); color: var(--text); }

#share-sheet-close {
  display: block;
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--text);
  transition: background .15s;
}

#share-sheet-close:hover { background: var(--surface2); }

@media (max-width: 480px) {
  #share-sheet-panel  { padding: 20px 16px 28px; }
  #share-sheet-btns   { gap: 8px; }
  .share-platform-btn { min-width: 60px; padding: 10px 12px; font-size: .7rem; }
}


/* ── 17. WELCOME / SECTOR LOCK SCREEN ─────────────────────── */
/* Full-screen overlay shown on first visit and when switching sectors */
#welcome-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a7a6e 0%, #0d9e8a 35%, #12b89f 65%, #3dd6a0 100%);
  padding: 24px 16px;
  transition: opacity .4s ease;
}

/* Fade-out state before hiding */
#welcome-screen.hide {
  opacity: 0;
  pointer-events: none;
}

.welcome-inner {
  width: 100%;
  max-width: 960px;
  text-align: center;
}

/* TH / EN toggle — pinned to top-right corner */
.welcome-lang {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10000;
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  padding: 3px;
  backdrop-filter: blur(6px);
}

.welcome-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 999px;
  margin-bottom: 20px;
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.03em;
  margin-bottom: 14px;
  line-height: 1.2;
}

.welcome-sub {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto 36px;
}

/* 3-column grid of sector cards */
.welcome-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

.welcome-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  cursor: pointer;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.welcome-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

/* Coloured icon square at the top of each card */
.welcome-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.wci-blue   { background: #1a6cb0; }
.wci-green  { background: #1a7a4a; }
.wci-purple { background: #7c3aed; }

.welcome-card-body h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 6px;
}

.welcome-card-body p {
  font-size: .85rem;
  color: #555;
  line-height: 1.5;
  margin-bottom: 18px;
}

.welcome-card-cta {
  font-size: .82rem;
  font-weight: 700;
  color: var(--primary);
}

/* Mobile: stack cards vertically and give room for the pinned lang toggle */
@media (max-width: 780px) {
  #welcome-screen {
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: 56px;
    padding-bottom: 32px;
  }

  .welcome-lang { top: 12px; right: 12px; }

  .welcome-badge   { margin-bottom: 16px; }
  .welcome-title   { font-size: 1.8rem; margin-bottom: 10px; }
  .welcome-sub     { margin: 0 auto 24px; font-size: 0.95rem; }

  .welcome-cards {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
    gap: 12px;
  }

  .welcome-card        { padding: 20px; }
  .welcome-card-icon   { width: 48px; height: 48px; margin-bottom: 14px; }
  .welcome-card-body h2 { font-size: 1rem; }
  .welcome-card-body p  { margin-bottom: 14px; }
}

/* Extra-small phones */
@media (max-width: 380px) {
  .welcome-title { font-size: 1.5rem; }
  .welcome-sub   { font-size: 0.9rem; }
  .welcome-card  { padding: 18px; }
}


/* ── 18. SECTOR BUTTON ────────────────────────────────────── */
/* Already defined in section 3 (Header) — no duplicates needed */


/* ── 19. RESPONSIVE OVERRIDES ─────────────────────────────── */

/* Tablet / mobile: hide desktop nav, show hamburger */
@media (max-width: 775px) {
  nav, .search-pill { display: none; }
  .hamburger { display: flex; }

  .nav-inner   { height: 52px; padding: 0 .9rem; }
  .logo img    { height: 28px; }
  .logo-text   { font-size: .8rem; }

  .lang-btn    { padding: .22rem .55rem; font-size: .72rem; }
  .theme-btn   { width: 30px; height: 30px; font-size: .85rem; }
  .hamburger   { padding: .38rem; }
  .hamburger span { width: 16px; }

  .detail-grid        { grid-template-columns: 1fr; }
  .detail-name        { font-size: 1.5rem; }
  .smartcity-inner    { padding: 3.5rem 1.25rem 4rem; }
  .smartcity-stats    { gap: 1.5rem; margin-top: 2.25rem; }
  .smartcity-stat-num { font-size: 1.3rem; }
}