/* ==========================================================================
   CHINCHU STAY — GUEST GUIDE
   Boutique Hotel Style Sheet (Pure CSS)
   Optimized for Smartphone Viewports & Desktop Screens
   ========================================================================== */

:root {
  --bg-canvas: #FAF7F2;
  --bg-card: #FFFFFF;
  --bg-subtle: #F4EFEA;
  --bg-highlight: #F5EEE6;
  
  --text-primary: #2E2219;
  --text-secondary: #6B5B4F;
  --text-muted: #8E7D70;
  
  --border-light: rgba(162, 138, 118, 0.2);
  --border-medium: rgba(162, 138, 118, 0.4);
  
  --brand-brown: #4A3423;
  --brand-brown-dark: #352316;
  --brand-olive: #495E3E;
  --brand-terracotta: #944C2A;
  --brand-sand: #D5C5B5;
  
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --shadow-sm: 0 2px 8px -1px rgba(46, 34, 25, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(46, 34, 25, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(46, 34, 25, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
}

/* CSS Reset & Core Defaults */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-canvas);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  padding-bottom: 40px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Utility font classes */
.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.font-bold {
  font-weight: 700;
}

/* Page Frame: max 680px for ultimate smartphone/reading elegance */
.page-container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ==========================================================================
   HEADER & BRAND LOCKUP
   ========================================================================== */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px 12px;
  gap: 18px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.logo-wrapper {
  width: 130px;
  height: 130px;
  border-radius: 20px;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(74, 52, 35, 0.12);
  border: 1.5px solid var(--border-light);
  overflow: hidden;
  margin-bottom: 6px;
  padding: 6px;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 14px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--brand-brown-dark);
  line-height: 1.2;
}

.brand-guide-badge {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--brand-terracotta);
  text-transform: uppercase;
}

.brand-address {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 2px;
}

/* Header Welcome Box */
.header-welcome-box {
  width: 100%;
  background: linear-gradient(135deg, #F5EEE6 0%, #EFE8DE 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.welcome-heading {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--brand-brown-dark);
  margin-bottom: 2px;
}

.welcome-sub {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ==========================================================================
   LANGUAGE SELECTOR (5 Languages, No reload, Persistent)
   ========================================================================== */
.lang-selector-container {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--brand-sand);
  border-radius: 16px;
  padding: 10px 12px;
  box-shadow: 0 4px 16px rgba(74, 52, 35, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.lang-selector-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--brand-terracotta);
  text-transform: uppercase;
}

.lang-globe-icon {
  font-size: 14px;
}

.lang-selector {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  background: transparent;
  padding: 0;
  border: none;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-brown-dark);
  background: #F8F5F0;
  border: 1px solid var(--border-light);
  box-shadow: 0 1px 3px rgba(74, 52, 35, 0.05);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  cursor: pointer;
}

.lang-btn:hover {
  color: var(--brand-brown-dark);
  background: #EFE8DE;
  border-color: var(--brand-sand);
  transform: translateY(-1px);
}

.lang-btn.active {
  background: var(--brand-brown);
  color: #FFFFFF;
  border-color: var(--brand-brown);
  box-shadow: 0 3px 10px rgba(74, 52, 35, 0.28);
  transform: translateY(-1px);
}

.lang-btn .flag {
  font-size: 16px;
  line-height: 1;
}

/* ==========================================================================
   QUICK NAVIGATION TILES
   ========================================================================== */
.quick-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
}

@media (min-width: 520px) {
  .quick-nav {
    grid-template-columns: repeat(6, 1fr);
  }
}

.nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
}

.nav-card:hover, .nav-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-sand);
}

.nav-icon {
  font-size: 20px;
  margin-bottom: 4px;
  line-height: 1;
}

.nav-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
}

/* ==========================================================================
   CONTENT SECTIONS & CARDS
   ========================================================================== */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: box-shadow 0.2s ease;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--brand-olive);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.badge-icon {
  font-size: 13px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-brown-dark);
  line-height: 1.3;
  margin-bottom: 4px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.prose p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   SECTION 1: WELCOME & CHECK TIMES
   ========================================================================== */
.check-times-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}

.time-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.time-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--brand-terracotta);
}

.time-value {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-brown-dark);
}

/* ==========================================================================
   SECTION 2: GATE INFORMATION
   ========================================================================== */
.code-box {
  background: linear-gradient(180deg, #FBF8F5 0%, #F5EEE6 100%);
  border: 1.5px dashed var(--brand-sand);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.code-box-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.code-display {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--brand-terracotta);
  line-height: 1.1;
  user-select: all;
  text-shadow: 0 1px 2px rgba(148, 76, 42, 0.1);
}

/* Image Slots */
.image-slot-container {
  width: 100%;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.image-frame {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gate-image-frame {
  aspect-ratio: 1111 / 1416;
  max-height: 600px;
}

.room-image-frame {
  aspect-ratio: 1371 / 1147;
  max-height: 480px;
}

.section-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.image-caption {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: all 0.18s ease;
  min-height: 48px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-brown);
  color: #FFFFFF;
}

.btn-primary:hover, .btn-primary:active {
  background: var(--brand-brown-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--brand-brown-dark);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover, .btn-secondary:active {
  background: #EFE8DE;
  transform: translateY(-1px);
}

.copy-btn {
  width: 100%;
  max-width: 280px;
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ==========================================================================
   SECTION 3: WI-FI
   ========================================================================== */
.wifi-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
}

.wifi-network-row, .wifi-password-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.meta-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.wifi-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand-brown-dark);
}

.wifi-pass-display {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--brand-olive);
  line-height: 1.2;
  user-select: all;
}

/* ==========================================================================
   SECTION 4: ROOM INFORMATION & QUICK ACTIONS
   ========================================================================== */
.hotline-contact-box {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hotline-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hotline-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-brown-dark);
  letter-spacing: 1px;
}

.action-buttons-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  margin-top: 4px;
}

.btn-action {
  padding: 10px 8px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-align: center;
}

.btn-call {
  background: var(--brand-brown);
  color: #FFFFFF;
}

.btn-call:hover {
  background: var(--brand-brown-dark);
}

.btn-zalo {
  background: #0068FF;
  color: #FFFFFF;
}

.btn-zalo:hover {
  background: #0056D6;
}

.zalo-tag {
  font-size: 15px;
  letter-spacing: 0.5px;
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background: #1EBE5D;
}

/* ==========================================================================
   SECTION 5: ROOM MAP & 3 ZONES
   ========================================================================== */
.zones-highlight-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}

.zone-pill {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.zone-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-brown-dark);
}

.zone-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.room-map-preview-wrap {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1.5px solid var(--brand-sand);
  background: #FFFFFF;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(74, 52, 35, 0.08);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.room-map-preview-wrap:hover {
  box-shadow: 0 6px 22px rgba(74, 52, 35, 0.15);
}

.room-map-img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  transition: transform 0.25s ease;
}

/* Crystal-clear non-blocking overlay: No dark fog! */
.map-hover-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 10px;
  pointer-events: none;
}

.map-corner-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(46, 34, 25, 0.88);
  color: #FFFFFF;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.2s ease;
  pointer-events: auto;
}

.map-zoom-icon-small {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.overlay-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

@media (hover: hover) {
  .room-map-preview-wrap:hover .room-map-img {
    transform: scale(1.015);
  }
  .room-map-preview-wrap:hover .map-corner-pill {
    background: var(--brand-brown);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 52, 35, 0.35);
  }
}

.full-map-btn {
  width: 100%;
  margin-top: 12px;
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   SECTION 6: HOUSE RULES
   ========================================================================== */
.rules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rule-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(162, 138, 118, 0.14);
}

.rule-icon {
  font-size: 18px;
  line-height: 1.3;
  flex-shrink: 0;
}

.rule-content {
  flex: 1;
}

.rule-text {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.45;
}

.rules-footer-note {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-terracotta);
  font-style: italic;
}

/* ==========================================================================
   SECTION 7: CONTACT / NEED HELP?
   ========================================================================== */
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}

.contact-channels-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-main-phone {
  font-size: 26px;
  font-weight: 800;
  color: var(--brand-brown-dark);
  letter-spacing: 1px;
}

.contact-buttons-vertical {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.btn-touch {
  width: 100%;
  min-height: 52px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-call-primary {
  background: var(--brand-brown);
  color: #FFFFFF;
}

.btn-call-primary:hover {
  background: var(--brand-brown-dark);
}

.btn-zalo-primary {
  background: #0068FF;
  color: #FFFFFF;
}

.btn-zalo-primary:hover {
  background: #0056D6;
}

.zalo-badge {
  background: #FFFFFF;
  color: #0068FF;
  font-size: 12px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.btn-whatsapp-primary {
  background: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp-primary:hover {
  background: #1EBE5D;
}

/* ==========================================================================
   GITHUB PAGES EXPORT SECTION
   ========================================================================== */
.github-export-box {
  background: #FBF8F3;
  border: 1px solid var(--border-medium);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.export-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--brand-terracotta);
}

.export-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-brown-dark);
}

.export-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.btn-export {
  background: #24292F;
  color: #FFFFFF;
  width: 100%;
}

.btn-export:hover {
  background: #1B1F23;
}

.export-instructions {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-secondary);
}

.export-instructions summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--brand-brown-dark);
}

.instructions-body {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.instructions-body ol {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.instructions-body code {
  background: var(--bg-subtle);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.instructions-body .note {
  font-size: 12px;
  color: var(--brand-olive);
  font-style: italic;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  text-align: center;
  padding: 28px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--border-light);
  margin-top: 10px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-brown-dark);
}

.footer-address {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 4px;
}

.footer-hotline {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.footer-hotline a {
  font-weight: 700;
  color: var(--brand-brown-dark);
}

.footer-closing {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.4;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(46, 34, 25, 0.95);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  width: 16px;
  height: 16px;
  color: #4ADE80;
}

/* ==========================================================================
   FULLSCREEN ROOM MAP MODAL & ZOOM CONTROLS
   ========================================================================== */
.map-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-modal[hidden] {
  display: none !important;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 14, 10, 0.88);
  backdrop-filter: blur(4px);
}

.modal-window {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #1A130D;
  overflow: hidden;
}

.modal-header {
  height: 56px;
  background: rgba(30, 22, 16, 0.95);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 10;
  flex-shrink: 0;
}

.modal-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.modal-title {
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-zones {
  font-size: 11px;
  color: #D5C5B5;
  letter-spacing: 0.5px;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  transition: background 0.15s ease;
}

.modal-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.modal-btn svg {
  width: 18px;
  height: 18px;
}

.modal-btn-close {
  background: #944C2A;
}

.modal-btn-close:hover {
  background: #B35C33;
}

.modal-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.modal-viewport:active {
  cursor: grabbing;
}

.modal-canvas {
  transform-origin: center center;
  transition: transform 0.05s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 95%;
  max-height: 95%;
}

.modal-canvas img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border-radius: 6px;
}

.modal-footer-hint {
  height: 36px;
  background: rgba(30, 22, 16, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 12px;
  color: #B5A495;
  text-align: center;
  flex-shrink: 0;
}

/* ==========================================================================
   RESPONSIVE DESIGN TWEAKS
   ========================================================================== */
@media (max-width: 400px) {
  .page-container {
    padding: 12px 10px 30px;
  }
  
  .brand-title {
    font-size: 22px;
  }

  .code-display {
    font-size: 34px;
  }

  .wifi-pass-display {
    font-size: 26px;
  }

  .action-buttons-group {
    grid-template-columns: 1fr;
  }
}