@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Space+Grotesk:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

/* ========================================================
   CYBERPUNK DESIGN SYSTEM — PremiumBlasterTH
   Theme: Neon on Dark / Cyberpunk Aesthetics
======================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Background */
  --bg-base:        #0B0F19;
  --bg-surface:     #0F1523;
  --bg-elevated:    #141929;
  --bg-overlay:     rgba(15, 21, 35, 0.85);

  /* Neon Accents */
  --neon-cyan:      #00F3FF;
  --neon-cyan-dim:  #00BFCC;
  --neon-purple:    #B026FF;
  --neon-green:     #39FF14;
  --neon-pink:      #FF3DF5;
  --neon-pink-dim:  #C21DBD;
  --neon-orange:    #FF9F1C;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00F3FF 0%, #FF3DF5 100%);
  --gradient-hot:     linear-gradient(135deg, #FF3DF5 0%, #FF9F1C 100%);
  --gradient-cool:    linear-gradient(135deg, #39FF14 0%, #00F3FF 100%);

  /* Glows */
  --glow-cyan:      0 0 8px rgba(0, 243, 255, 0.6), 0 0 24px rgba(0, 243, 255, 0.25);
  --glow-cyan-sm:   0 0 4px rgba(0, 243, 255, 0.5), 0 0 12px rgba(0, 243, 255, 0.2);
  --glow-purple:    0 0 8px rgba(176, 38, 255, 0.6), 0 0 24px rgba(176, 38, 255, 0.25);
  --glow-pink:      0 0 8px rgba(255, 61, 245, 0.6), 0 0 24px rgba(255, 61, 245, 0.25);
  --glow-pink-sm:   0 0 4px rgba(255, 61, 245, 0.5), 0 0 12px rgba(255, 61, 245, 0.2);
  --glow-dual:      0 0 10px rgba(0, 243, 255, 0.5), 0 0 24px rgba(255, 61, 245, 0.35);

  /* Text */
  --text-primary:   #E8EDFF;
  --text-secondary: #8A9BC4;
  --text-muted:     #4A5578;
  --text-neon:      var(--neon-cyan);

  /* Borders */
  --border-subtle:  rgba(0, 243, 255, 0.1);
  --border-neon:    rgba(0, 243, 255, 0.4);
  --border-glass:   rgba(255, 255, 255, 0.06);

  /* Fonts */
  --font-display:   'Orbitron', monospace;
  --font-heading:   'Space Grotesk', 'Sarabun', sans-serif;
  --font-body:      'Sarabun', 'Space Grotesk', sans-serif;

  /* Sizing */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-glow: box-shadow 0.25s ease, border-color 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Animated Tech Grid Background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: -40%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(0, 243, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  animation: nebula-drift 20s ease-in-out infinite alternate;
}

@keyframes nebula-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(5%, 10%) scale(1.1); }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

.font-display {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover { color: #fff; }

/* --- Utility: Neon Text --- */
.neon-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  filter: drop-shadow(0 0 12px rgba(0, 243, 255, 0.3))
          drop-shadow(0 0 20px rgba(255, 61, 245, 0.25));
}

.neon-text-solid {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

.neon-text-purple {
  color: var(--neon-purple);
  text-shadow: var(--glow-purple);
}

.neon-text-hot {
  background: var(--gradient-hot);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  filter: drop-shadow(0 0 12px rgba(255, 61, 245, 0.35));
}

/* --- Utility: Glass Card --- */
.glass-card {
  background: rgba(15, 21, 35, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* --- Utility: Glow Border --- */
.glow-border {
  border: 1px solid var(--border-neon);
  box-shadow: var(--glow-cyan-sm), inset 0 0 12px rgba(0, 243, 255, 0.03);
  transition: var(--transition-glow);
}

.glow-border:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

/* Primary Cyber Button */
.btn-cyber {
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.15), rgba(0, 243, 255, 0.05));
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: var(--glow-cyan-sm);
  text-shadow: 0 0 6px rgba(0, 243, 255, 0.5);
}

.btn-cyber:hover {
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.25), rgba(0, 243, 255, 0.1));
  box-shadow: var(--glow-cyan);
  color: #fff;
}

/* Solid (filled) Cyber Button — NEW: gradient + shimmer */
.btn-cyber-solid {
  position: relative;
  background: var(--gradient-primary);
  border: none;
  color: #0a0f1c;
  font-weight: 700;
  box-shadow: var(--glow-dual);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-cyber-solid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.45) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.btn-cyber-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(0, 243, 255, 0.6), 0 0 32px rgba(255, 61, 245, 0.55);
  color: #0a0f1c;
}

.btn-cyber-solid:hover::before {
  transform: translateX(100%);
}

/* Ghost Button */
.btn-ghost {
  overflow: hidden;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* LINE Button — neon green cyberpunk style */
.btn-line {
  position: relative;
  background: linear-gradient(135deg, #06c755 0%, #39FF14 50%, #00F3FF 100%);
  border: none;
  color: #030f04;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.55), 0 0 24px rgba(6, 199, 85, 0.3);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-line::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.7), 0 0 32px rgba(6, 199, 85, 0.5);
  color: #030f04;
}

.btn-line:hover::before {
  transform: translateX(100%);
}

/* Danger Button */
.btn-danger {
  background: rgba(255, 50, 50, 0.12);
  border: 1px solid rgba(255, 80, 80, 0.4);
  color: #ff6b6b;
}
.btn-danger:hover {
  background: rgba(255, 50, 50, 0.25);
  border-color: #ff6b6b;
}

/* Button Sizes */
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; letter-spacing: 0.05em; }

.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

/* --- Section Title --- */
.section-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  background: rgba(0, 243, 255, 0.08);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 40px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 12px;
  max-width: 560px;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-neon), transparent);
  margin: 0;
  border: none;
}

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

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="password"],
input[type="date"],
select,
textarea {
  width: 100%;
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 16px;
  outline: none;
  transition: var(--transition-glow);
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan-sm);
}

/* Date picker — ใช้ color-scheme: dark (Chrome 81+/FF 96+) ให้ browser auto-style ไอคอนเป็นขาวบนพื้นมืด */
input[type="date"],
input[type="datetime-local"],
input[type="time"],
input[type="month"],
input[type="week"] {
  color-scheme: dark;
  accent-color: var(--neon-cyan);
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator,
input[type="week"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: .7;
  transition: opacity .15s ease;
}
input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

/* --- Status Badge --- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 40px;
}

.status-1 { background: rgba(0, 243, 255, 0.1); color: var(--neon-cyan); border: 1px solid rgba(0, 243, 255, 0.25); }
.status-2 { background: rgba(176, 38, 255, 0.1); color: var(--neon-purple); border: 1px solid rgba(176, 38, 255, 0.25); }
.status-3 { background: rgba(255, 165, 0, 0.1); color: #FFA500; border: 1px solid rgba(255, 165, 0, 0.25); }
.status-4 { background: rgba(57, 255, 20, 0.1); color: var(--neon-green); border: 1px solid rgba(57, 255, 20, 0.25); }

/* --- Table --- */
.cyber-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.cyber-table thead th {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.cyber-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.cyber-table tbody tr:hover td {
  background: rgba(0, 243, 255, 0.03);
}

/* --- Tracking Timeline --- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  position: relative;
}

.timeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 48px;
  bottom: -16px;
  width: 2px;
  background: var(--border-subtle);
}

.timeline-step.active::after {
  background: linear-gradient(to bottom, var(--neon-cyan), var(--border-subtle));
}

.timeline-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  transition: var(--transition);
}

.timeline-step.active .timeline-icon {
  border-color: var(--neon-cyan);
  background: rgba(0, 243, 255, 0.1);
  box-shadow: var(--glow-cyan-sm);
}

.timeline-step.completed .timeline-icon {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan);
  color: #000;
  box-shadow: var(--glow-cyan-sm);
}

.timeline-content { flex: 1; padding-top: 8px; }
.timeline-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.timeline-step.active .timeline-label,
.timeline-step.completed .timeline-label {
  color: var(--text-primary);
}
.timeline-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- Alert / Flash Message --- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.alert-success {
  background: rgba(57, 255, 20, 0.07);
  border-color: rgba(57, 255, 20, 0.25);
  color: var(--neon-green);
}

.alert-error {
  background: rgba(255, 80, 80, 0.07);
  border-color: rgba(255, 80, 80, 0.25);
  color: #ff6b6b;
}

.alert-info {
  background: rgba(0, 243, 255, 0.07);
  border-color: rgba(0, 243, 255, 0.25);
  color: var(--neon-cyan);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1200px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

/* Logo image in navbar */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(0, 243, 255, 0.35));
  transition: filter 0.25s ease;
}

.navbar-logo:hover .navbar-logo-img {
  filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.6));
}

.navbar-logo-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}

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

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

/* Hamburger button (mobile only) */
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(0, 243, 255, 0.06);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: var(--transition);
}

.navbar-toggle:hover {
  background: rgba(0, 243, 255, 0.12);
  border-color: var(--neon-cyan);
}

.navbar-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--neon-cyan);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.navbar-toggle.open .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.open .bar:nth-child(2) { opacity: 0; }
.navbar-toggle.open .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Admin Sidebar Layout --- */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-glass);
  padding: 32px 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 50;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 0 24px 28px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 24px;
}

.sidebar-logo a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
}

.sidebar-nav { padding: 0 12px; }

.sidebar-nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 12px 8px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(0, 243, 255, 0.08);
  color: var(--neon-cyan);
}

.sidebar-nav a.active {
  border-left: 2px solid var(--neon-cyan);
  padding-left: 10px;
}

.sidebar-nav svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.admin-main {
  margin-left: 300px;
  flex: 1;
  padding: 40px;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.admin-topbar h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(0, 243, 255, 0.2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 243, 255, 0.4); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .navbar {
    width: calc(100% - 24px);
    padding: 10px 16px;
    top: 10px;
    /* Allow wrapping on mobile */
    flex-wrap: wrap;
    border-radius: var(--radius-lg);
    gap: 0;
  }

  .navbar-toggle { display: flex; }

  .navbar-nav {
    /* Hidden by default on mobile */
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 12px 0 8px;
    border-top: 1px solid var(--border-glass);
    margin-top: 10px;
    gap: 4px;
  }

  .navbar-nav.open { display: flex; }

  .navbar-nav li { width: 100%; }

  .navbar-nav .btn {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
  }

  .navbar-logo-text { font-size: 0.78rem; }
  .navbar-logo-img  { height: 34px; width: 34px; }

  .section { padding: 60px 0; }

  /* ── Admin mobile: off-canvas drawer ── */
  .sidebar {
    width: 300px;
    height: 100vh;
    position: fixed;
    top: 0; left: 0;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(.2,.7,.3,1);
    box-shadow: 4px 0 24px rgba(0,0,0,.5);
    z-index: 1001;
  }
  .sidebar.open { transform: translateX(0); }

  .admin-main {
    margin-left: 0;
    padding: 72px 16px 24px;
  }
  .admin-layout { flex-direction: column; }

  .admin-mobile-toggle {
    display: flex !important;
  }

  .admin-mobile-backdrop {
    position: fixed; inset: 0;
    background: rgba(5, 8, 16, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .admin-mobile-backdrop.open {
    opacity: 1;
    pointer-events: auto;
  }

  .admin-topbar {
    padding-left: 48px;
  }
  .admin-topbar h1 { font-size: 1.15rem; }
}

/* Hamburger button — ซ่อนบน desktop, โชว์บน mobile */
.admin-mobile-toggle {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-sm);
  color: var(--neon-cyan);
  cursor: pointer;
  z-index: 1002;
  box-shadow: var(--glow-cyan-sm);
  transition: transform 0.28s cubic-bezier(.2,.7,.3,1), background 0.2s, border-color 0.2s;
}
.admin-mobile-toggle:hover { background: rgba(0,243,255,.1); }
.admin-mobile-toggle svg { width: 22px; height: 22px; }
.admin-mobile-toggle .icon-close { display: none; }
.admin-mobile-toggle.open .icon-open { display: none; }
.admin-mobile-toggle.open .icon-close { display: block; }
.admin-mobile-toggle.open {
  transform: translateX(240px);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}


/* ========================================================
   MULTI-COLOR ACCENT CYCLING (Variant B)
   กระจายสี neon 4 สี (cyan / pink / green / orange) ตาม nth-child
======================================================== */

/* Section badges — แยกสีตาม section */
#products .section-badge,
.section-badge.badge-pink {
  color: var(--neon-pink);
  background: rgba(255, 61, 245, 0.08);
  border-color: rgba(255, 61, 245, 0.3);
}
#tracking .section-badge,
.section-badge.badge-green {
  color: var(--neon-green);
  background: rgba(57, 255, 20, 0.08);
  border-color: rgba(57, 255, 20, 0.3);
}
.section-badge.badge-orange {
  color: var(--neon-orange);
  background: rgba(255, 159, 28, 0.08);
  border-color: rgba(255, 159, 28, 0.3);
}

/* Feature card icons — วน 4 สี */
.features-grid .feature-card:nth-child(4n+1) .feature-icon {
  background: rgba(0, 243, 255, 0.08);
  border-color: rgba(0, 243, 255, 0.3);
  color: var(--neon-cyan);
  box-shadow: var(--glow-cyan-sm);
}
.features-grid .feature-card:nth-child(4n+2) .feature-icon {
  background: rgba(255, 61, 245, 0.08);
  border-color: rgba(255, 61, 245, 0.3);
  color: var(--neon-pink);
  box-shadow: var(--glow-pink-sm);
}
.features-grid .feature-card:nth-child(4n+3) .feature-icon {
  background: rgba(57, 255, 20, 0.06);
  border-color: rgba(57, 255, 20, 0.3);
  color: var(--neon-green);
  box-shadow: 0 0 6px rgba(57, 255, 20, 0.3);
}
.features-grid .feature-card:nth-child(4n+4) .feature-icon {
  background: rgba(255, 159, 28, 0.06);
  border-color: rgba(255, 159, 28, 0.3);
  color: var(--neon-orange);
  box-shadow: 0 0 6px rgba(255, 159, 28, 0.3);
}

/* Product card names — วน 4 สี */
.catalog-grid .product-card:nth-child(4n+2) .product-card-name {
  color: var(--neon-pink);
  text-shadow: var(--glow-pink-sm);
}
.catalog-grid .product-card:nth-child(4n+3) .product-card-name {
  color: var(--neon-green);
  text-shadow: 0 0 6px rgba(57, 255, 20, 0.5);
}
.catalog-grid .product-card:nth-child(4n+4) .product-card-name {
  color: var(--neon-orange);
  text-shadow: 0 0 6px rgba(255, 159, 28, 0.5);
}

/* Hero stat numbers — วนสี */
.sf-hero-stats .sf-stat:nth-child(2) .sf-stat-num {
  color: var(--neon-pink);
  text-shadow: 0 0 6px rgba(255, 61, 245, 0.5);
}
.sf-hero-stats .sf-stat:nth-child(3) .sf-stat-num {
  color: var(--neon-green);
  text-shadow: 0 0 6px rgba(57, 255, 20, 0.5);
}
.sf-hero-stats .sf-stat:nth-child(4) .sf-stat-num {
  color: var(--neon-orange);
  text-shadow: 0 0 6px rgba(255, 159, 28, 0.5);
}

/* Hero badges — gradient border */
.sf-hero-badge,
.hero-badge {
  background: linear-gradient(90deg, rgba(0, 243, 255, 0.08), rgba(255, 61, 245, 0.08));
  border-image: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink)) 1;
}

/* Price "save" badge — pink→orange gradient */
.price-badge-save {
  background: var(--gradient-hot);
  box-shadow: 0 0 10px rgba(255, 61, 245, 0.5), 0 0 18px rgba(255, 159, 28, 0.35);
}

/* ========================================================
   PRINT STYLES — PO Print View
======================================================== */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  body::before, body::after { display: none !important; }
  .no-print { display: none !important; }
  .print-only { display: block !important; }
  .glass-card { background: #fff !important; border: 1px solid #ddd !important; box-shadow: none !important; }
  .neon-text {
    background: none !important;
    -webkit-text-fill-color: #0077ff !important;
    color: #0077ff !important;
    text-shadow: none !important;
    filter: none !important;
  }
  .btn-cyber, .btn-cyber-solid { display: none !important; }
  .navbar, .sidebar, .admin-topbar { display: none !important; }
  .admin-main { margin: 0 !important; padding: 0 !important; }
}

.print-only { display: none; }

/* --- Public Footer --- */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 48px 0 32px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan-sm);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer-copy {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}
@media (max-width: 640px) {
  .footer-inner { justify-content: center; text-align: center; }
  .footer-links { align-items: center; }
}

/* --- Social Icon Row (footer) --- */
.social-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
@media (max-width: 640px) {
  .social-row { justify-content: center; }
}
.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-secondary);
  background: rgba(0, 243, 255, .04);
  border: 1px solid var(--border-subtle);
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.social-icon-btn:hover {
  color: var(--neon-cyan);
  border-color: rgba(0, 243, 255, .55);
  background: rgba(0, 243, 255, .08);
  transform: translateY(-2px);
  box-shadow: 0 0 14px rgba(0, 243, 255, .25);
}
.social-icon-btn:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

/* --- Floating LINE FAB --- */
.line-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #06C755; /* LINE brand green */
  box-shadow: 0 6px 20px rgba(6, 199, 85, .45), 0 0 0 4px rgba(6, 199, 85, .15);
  z-index: 90;
  transition: transform .2s ease, box-shadow .2s ease;
}
.line-fab:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 26px rgba(6, 199, 85, .55), 0 0 0 6px rgba(6, 199, 85, .2);
}
.line-fab:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
@media print { .line-fab { display: none; } }