/* ===================================================
   YOUTHQUIZ - V5 EDITORIAL TYPOGRAPHY & SCALE REDESIGN
   Escape the AI-Generated UI Look
   True Editorial Craft | Human Scale | Organic Layout
   Display: Georgia/Cambria Serif | Body: Native Humanist Sans
   =================================================== */

:root {
  /* --- PALETTE: Warm Editorial Vintage --- */
  --bg-canvas: #F8F5EE;
  --bg-surface: #FFFFFF;
  --bg-surface-warm: #FAF6EF;
  --bg-surface-card: #FFFFFF;
  --bg-surface-muted: #EFE8DC;
  --bg-mat: #E6DBC8;
  
  --border-subtle: #E2D7C5;
  --border-strong: #C4B59F;
  --border-focus: #C84B3E;
  
  --text-primary: #241D18;
  --text-secondary: #5E5146;
  --text-muted: #8E7F72;
  --text-on-dark: #FAF5EE;
  
  /* Brand Accents */
  --brand-terracotta: #C24538;
  --brand-terracotta-hover: #AB392D;
  --brand-terracotta-light: #F8ECE8;
  
  --brand-forest: #1A3C2E;
  --brand-forest-hover: #132E23;
  --brand-forest-light: #EDF3EF;
  
  --brand-dark: #1F1814;
  
  /* Status Colors */
  --status-pending-bg: #FBF4E4;
  --status-pending-text: #785412;
  --status-pending-border: #EADBBA;
  
  --status-processing-bg: #EAF1F7;
  --status-processing-text: #1E4B71;
  --status-processing-border: #C2D6E6;
  
  --status-completed-bg: #EAF4EC;
  --status-completed-text: #1F542D;
  --status-completed-border: #C2DEC7;
  
  --status-cancelled-bg: #FAECE8;
  --status-cancelled-text: #7D231A;
  --status-cancelled-border: #EABFB7;
  
  /* --- TYPOGRAPHY: Editorial Serif + Humanist Sans --- */
  /* Display / Headline: Timeless editorial serif (Cambria first for pristine Vietnamese diacritics) */
  --font-display: 'Cambria', 'Times New Roman', 'Georgia', serif;
  --font-heading: var(--font-display);
  
  /* Body: Clean, readable native humanist sans */
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Restrained Radii: 4px to 12px, zero pill overload */
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
  
  /* Shadows: Delicate, quiet depth */
  --shadow-xs: 0 1px 2px rgba(36, 29, 24, 0.03);
  --shadow-sm: 0 2px 5px rgba(36, 29, 24, 0.05);
  --shadow-md: 0 5px 14px rgba(36, 29, 24, 0.07);
  --shadow-lg: 0 10px 24px rgba(36, 29, 24, 0.09);
  
  /* Motion Tokens */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 160ms;
  --duration-normal: 240ms;
  --duration-medium: 360ms;
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-canvas);
  background-image: 
    radial-gradient(ellipse 75% 65% at 50% 35%, rgba(250, 247, 242, 0.48) 0%, rgba(250, 247, 242, 0.10) 72%, transparent 100%),
    url('/assets/images/bg-nature-sunlight.jpg');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.55;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================================
   AMBIENT ATMOSPHERIC BACKDROP (SUNLIT BOTANICAL SCENE)
   Lush morning light & foliage framing around warm cream content area
   =================================================== */
.ambient-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(ellipse 75% 65% at 50% 35%, rgba(250, 247, 242, 0.48) 0%, rgba(250, 247, 242, 0.10) 72%, transparent 100%),
    url('/assets/images/bg-nature-sunlight.jpg') center top / cover no-repeat fixed;
  opacity: 0.95;
}

/* Ensure foreground elements sit crisply above fixed backdrop */
.site-header,
main,
footer,
.floating-order-bar,
.toast-container {
  position: relative;
  z-index: 1;
}

/* Typography Base */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* ===================================================
   CONTAINER SYSTEM (ORGANIC SECTION-SPECIFIC SCALING)
   Hero: 1180px | Contest: 1240px | How it works: 1040px | CTA: 960px
   =================================================== */
.container-hero {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-contest {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-how {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-cta {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-header, .container-footer {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===================================================
   HEADER & NAVIGATION (CLEAN, COMPACT, EDITORIAL)
   Height: 64px, text-based navigation links
   =================================================== */
.site-header {
  background-color: var(--bg-canvas);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.site-header.scrolled {
  background-color: #FAF6EF;
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 2px 10px rgba(36, 29, 24, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Authentic Wordmark */
.brand-wordmark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}

.brand-main {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
}

.brand-period {
  color: var(--brand-terracotta);
}

.brand-sub {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
  margin-top: 2px;
}

/* Text Navigation (Not chunky buttons) */
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
  padding: 4px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--brand-terracotta);
}

/* ===================================================
   BUTTON SYSTEM (UNIFIED, RESTRAINED SCALE)
   =================================================== */
.btn {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
  user-select: none;
  line-height: 1;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--brand-terracotta);
  color: #FFFFFF;
  box-shadow: 0 1px 4px rgba(194, 69, 56, 0.2);
}

.btn-primary:hover {
  background-color: var(--brand-terracotta-hover);
  box-shadow: 0 3px 8px rgba(194, 69, 56, 0.28);
  transform: translateY(-1px);
}

/* Secondary Button: Subtle Outline/Ghost to prevent equal visual weight */
.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-warm);
  border-color: var(--text-primary);
}

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

.btn-forest:hover {
  background-color: var(--brand-forest-hover);
}

.btn-sm {
  padding: 6px 11px;
  font-size: 12px;
}

.btn-lg {
  padding: 11px 20px;
  font-size: 14.5px;
  font-weight: 600;
}

.btn-arrow-icon {
  display: inline-flex;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn-arrow-icon {
  transform: translateX(3px);
}

/* ===================================================
   HERO SECTION (COMPACT VERTICAL SCALE, ASYMMETRIC)
   Optimized Above-the-Fold: User sees Header + Hero + Ribbon
   and starts Contest section on 900px viewport
   =================================================== */
.hero-section {
  padding: 28px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-kicker {
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--brand-forest);
  letter-spacing: 0.6px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-kicker::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1.5px;
  background: var(--brand-forest);
}

/* Editorial Headline */
.hero-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.hero-title-accent {
  color: var(--brand-terracotta);
  font-style: normal;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-microcopy {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* Artwork Composition (Visual Anchor) */
.hero-composition {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
}

.hero-mat-layer {
  position: absolute;
  inset: -8px -8px 8px 8px;
  background: var(--bg-mat);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  transform: rotate(-2deg);
  z-index: 1;
}

.hero-visual-frame {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  animation: heroFloat 6s ease-in-out infinite;
  will-change: transform;
}

.hero-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-paper-slip {
  position: absolute;
  bottom: -12px;
  left: -10px;
  z-index: 4;
  background: #FFFDF8;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  padding: 6px 12px;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  transform: rotate(-1.5deg);
}

.slip-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--brand-forest);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.slip-meta {
  font-size: 10.5px;
  color: var(--text-secondary);
}

/* ===================================================
   VALUE RIBBON (COMPACT LEDGER BAND)
   Section 16: Height ~68-76px, supporting element
   =================================================== */
.value-ledger-section {
  margin: 16px 0 28px;
}

.value-ledger {
  background: transparent;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  border-left: none;
  border-right: none;
  border-radius: 0;
  padding: 16px 4px;
  box-shadow: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
}

.ledger-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.ledger-num {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-terracotta);
  line-height: 1;
}

.ledger-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ledger-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.1px;
}

.ledger-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* ===================================================
   CONTESTS SECTION (MAIN CONTENT, DENSE SCANNING)
   Continuous flow from ribbon, Sentence case header
   =================================================== */
.section-block {
  padding: 24px 0 44px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--brand-terracotta);
  margin-bottom: 3px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
}

.section-sub {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.section-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Quiet Search Box (Baseline aligned) */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: 10px;
  width: 14px;
  height: 14px;
  stroke: var(--text-muted);
  pointer-events: none;
}

.search-input-field {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 12px 7px 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
  width: 240px;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.search-input-field:focus {
  outline: none;
  border-color: var(--brand-terracotta);
}

/* Filter Controls (Editorial Text Tabs) */
.filter-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-pill {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 6px 14px;
  border-radius: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.filter-pill:hover {
  color: var(--text-primary);
}

.filter-pill.active {
  background: transparent;
  border-bottom-color: var(--brand-terracotta);
  color: var(--brand-terracotta);
  font-weight: 600;
}

/* Contests Grid: 4 cards / row */
.contests-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 1140px) {
  .contests-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 820px) {
  .contests-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .contests-grid {
    grid-template-columns: 1fr;
  }
}

/* Streamlined Contest Card */
.contest-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
  position: relative;
  opacity: 1;
  transform: translateY(0);
}

.contest-card.fade-in-init {
  opacity: 0;
  transform: translateY(12px);
}

.contest-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.contest-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.contest-card.selected {
  border-color: var(--brand-terracotta);
  background-color: var(--bg-surface-warm);
}

.contest-banner-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-surface-muted);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.contest-banner-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contest-type-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-subtle);
}

.contest-type-badge.code {
  color: var(--brand-forest);
}

.contest-type-badge.ueh {
  color: #1A4B75;
}

.contest-card-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.contest-card-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.contest-card-name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 40px;
  max-height: 40px;
}

.contest-card-footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contest-price-tag {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-terracotta);
}

/* ===================================================
   HOW IT WORKS (EDITORIAL TIMELINE)
   Horizontal timeline: 01 -> 02 -> 03 with connecting line
   =================================================== */
.how-it-works-section {
  padding: 48px 0 40px;
}

.how-head {
  text-align: center;
  margin-bottom: 36px;
}

.how-kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--brand-forest);
  margin-bottom: 3px;
}

.how-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.how-sub {
  font-size: 13.5px;
  color: var(--text-secondary);
  max-width: 440px;
  margin: 0 auto;
}

.how-timeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 24px;
  align-items: start;
  padding: 16px 0 10px;
}

.how-step {
  background: transparent;
  border: none;
  border-top: 2px solid var(--border-subtle);
  border-radius: 0;
  padding: 16px 4px 0 0;
  box-shadow: none;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.how-step:hover {
  border-top-color: var(--brand-terracotta);
}

.how-step-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-terracotta);
  margin-bottom: 8px;
  line-height: 1;
  letter-spacing: -0.5px;
}

.how-step-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.how-step-desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.how-arrow-sep {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-strong);
  padding-top: 24px;
}

.how-arrow-sep svg {
  width: 20px;
  height: 20px;
  stroke: var(--border-strong);
}

.how-note {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--brand-forest);
  font-style: italic;
}

/* ===================================================
   FINAL CTA (COMPACT DEEP FOREST BLOCK)
   Height ~180px, Max-width 960px
   =================================================== */
.final-cta-section {
  padding: 24px 0 52px;
}

.final-cta-card {
  background-color: var(--brand-forest);
  border-radius: var(--radius-md);
  padding: 36px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #FFFFFF;
}

.final-cta-kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #A3C5B5;
  margin-bottom: 4px;
}

.final-cta-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.4px;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.final-cta-desc {
  font-size: 13px;
  color: #CDE2D7;
  font-style: italic;
}

/* ===================================================
   ORDER WIZARD
   =================================================== */
.wizard-wrapper {
  padding: 24px 0 48px;
}

.stepper-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-xs);
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: default;
}

.step-item.active {
  color: var(--brand-terracotta);
  font-weight: 600;
}

.step-item.completed {
  color: var(--brand-forest);
}

.step-number {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-surface-muted);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

.step-item.active .step-number {
  background: var(--brand-terracotta);
  color: #FFFFFF;
}

.step-item.completed .step-number {
  background: var(--brand-forest-light);
  color: var(--brand-forest);
  border: 1px solid rgba(26, 60, 46, 0.25);
}

.step-sep {
  flex: 0 0 32px;
  height: 1px;
  background: var(--border-subtle);
}

.step-sep.completed {
  background: var(--brand-forest);
}

.order-desktop-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}

/* Step 1 Single-Column Centered Layout with Integrated Bottom Summary */
.step1-container {
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
}

.step1-bottom-summary {
  margin-top: 24px;
  background: var(--bg-surface-warm);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
}

.step1-selected-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.step1-selected-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.step1-count-badge {
  background: var(--brand-terracotta);
  color: #FFFFFF;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.step1-total-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.step1-total-label {
  font-size: 13.5px;
  color: var(--text-secondary);
  font-weight: 500;
}

.step1-total-amount {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-terracotta);
}

.step1-selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.step1-selected-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

.step1-selected-chip .chip-name {
  font-weight: 500;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.step1-selected-chip .chip-price {
  font-weight: 700;
  color: var(--brand-terracotta);
  font-size: 12px;
}

.step1-selected-chip .chip-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
  transition: color var(--duration-fast);
}

.step1-selected-chip .chip-remove:hover {
  color: var(--brand-terracotta);
}

.step1-empty-hint {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 18px;
}

.step1-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px dashed var(--border-subtle);
}

.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  box-shadow: var(--shadow-xs);
}

.form-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.form-card-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.input-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-label span.req {
  color: var(--brand-terracotta);
}

.form-input {
  font-family: var(--font-body);
  font-size: 13.5px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-input:focus {
  outline: none;
  border-color: var(--brand-terracotta);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.order-summary-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 80px;
}

.summary-heading {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.summary-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  max-height: 260px;
  overflow-y: auto;
}

.summary-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
}

.summary-item-name {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 190px;
}

.summary-total-box {
  background: var(--bg-surface-warm);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.total-amount-display {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-terracotta);
}

.contest-item-input-card {
  background: var(--bg-surface-warm);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 12px;
}

.item-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.item-input-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===================================================
   REVIEW & PAYMENT SCREENS
   =================================================== */
.review-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 28px;
  align-items: start;
}

.review-block {
  margin-bottom: 20px;
}

.review-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.review-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.review-edit-btn {
  background: transparent;
  border: none;
  font-size: 12px;
  color: var(--brand-terracotta);
  cursor: pointer;
  text-decoration: underline;
}

.review-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin-top: 6px;
}

.review-table th {
  text-align: left;
  background: var(--bg-surface-muted);
  padding: 8px 10px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.review-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.payment-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-xs);
}

.qr-code-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.qr-code-box img {
  width: 100%;
  max-width: 260px;
  height: auto;
  border-radius: var(--radius-xs);
  display: block;
  margin: 0 auto 10px;
}

.payment-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13.5px;
}

.payment-meta-label {
  color: var(--text-secondary);
}

.payment-meta-val {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.payment-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  background: var(--status-pending-bg);
  color: var(--status-pending-text);
  border: 1px solid var(--status-pending-border);
}

.payment-alert-strip {
  background: var(--brand-forest-light);
  border-left: 2.5px solid var(--brand-forest);
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  font-size: 12.5px;
  color: var(--brand-forest);
  margin-top: 18px;
  line-height: 1.5;
}

.btn-copy {
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

.btn-copy.copied {
  background-color: var(--brand-forest) !important;
  color: #FFFFFF !important;
  border-color: var(--brand-forest) !important;
}

/* Success Screen */
.success-screen-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  max-width: 540px;
  margin: 20px auto;
}

.success-icon-badge {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--brand-forest-light);
  border: 1.5px solid var(--brand-forest);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-forest);
}

.success-icon-badge svg {
  width: 24px;
  height: 24px;
  stroke: var(--brand-forest);
}

.success-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.success-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
}

.success-order-box {
  background: var(--bg-surface-warm);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 20px;
  font-size: 13.5px;
}

/* ===================================================
   MINIMALIST FOOTER (QUIET & RESPECTFUL)
   Height ~160px
   =================================================== */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0 20px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-secondary);
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12.5px;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-link:hover {
  color: var(--brand-terracotta);
}

.footer-signoff {
  font-style: italic;
  color: var(--text-muted);
}

/* ===================================================
   FLOATING ZALO SUPPORT WIDGET (PULSING GREEN PILL)
   Deep Forest Green, White Circle Icon, Breathing & Pulse Ring Animation
   =================================================== */
.zalo-support-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
}

.zalo-floating-widget {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px 8px 8px;
  background: linear-gradient(135deg, #1F4534 0%, #153426 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.24);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(21, 52, 38, 0.32), 0 2px 6px rgba(0, 0, 0, 0.12);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.25s ease;
  animation: zaloFloatBob 3.6s ease-in-out infinite;
}

/* Pulsing radar aura ring */
.zalo-floating-widget::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 9999px;
  background: transparent;
  border: 2px solid rgba(52, 211, 153, 0.55);
  pointer-events: none;
  animation: zaloPulseRing 2.4s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes zaloPulseRing {
  0% {
    transform: scale(0.96);
    opacity: 0.85;
  }
  60% {
    transform: scale(1.06);
    opacity: 0.2;
  }
  100% {
    transform: scale(1.12);
    opacity: 0;
  }
}

@keyframes zaloFloatBob {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.zalo-floating-widget:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 14px 32px rgba(21, 52, 38, 0.42), 0 4px 10px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, #275641 0%, #1A3E2F 100%);
}

.zalo-floating-widget:active {
  transform: translateY(-2px) scale(0.98);
}

/* White Circle Icon Badge */
.zalo-widget-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.zalo-icon-text {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 900;
  font-size: 13.5px;
  color: #1A3E2F;
  letter-spacing: -0.5px;
}

/* Two-line Text Content */
.zalo-widget-content {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.zalo-widget-sub {
  font-size: 11px;
  font-weight: 600;
  color: #A9CEBF;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.zalo-widget-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 5px;
}

.zalo-arrow {
  transition: transform 0.2s ease;
  display: inline-block;
}

.zalo-floating-widget:hover .zalo-arrow {
  transform: translateX(4px);
}

/* Toast (Positioned cleanly above Zalo button) */
.toast-container {
  position: fixed;
  bottom: 88px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--brand-dark);
  color: #FFFFFF;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 400;
  box-shadow: var(--shadow-md);
}

/* Keyframes */
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .order-desktop-grid, .review-grid, .payment-grid {
    grid-template-columns: 1fr;
  }
  .value-ledger {
    grid-template-columns: repeat(2, 1fr);
  }
  .how-timeline {
    grid-template-columns: 1fr;
  }
  .how-arrow-sep {
    display: none;
  }
}

@media (max-width: 768px) {
  .container-hero, .container-contest, .container-how, .container-cta, .container-header, .container-footer {
    padding: 0 20px;
  }
  .site-nav {
    display: none;
  }
  .hero-title {
    font-size: 32px;
  }
  .input-grid-2col {
    grid-template-columns: 1fr;
  }
  .final-cta-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 20px;
  }
  .stepper-nav {
    overflow-x: auto;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 54px;
  }
  .header-inner {
    padding: 0 14px;
    gap: 10px;
  }
  .brand-wordmark {
    flex-shrink: 1;
    min-width: 0;
  }
  .brand-main {
    font-size: 18px;
  }
  .brand-sub {
    font-size: 10px;
    display: none;
  }
  .header-cta-group {
    flex-shrink: 0;
  }
  .header-cta-group .btn {
    padding: 6px 12px;
    font-size: 12px;
    gap: 4px;
    white-space: nowrap;
  }
  .header-cta-group .btn span:first-child {
    font-size: 12px;
  }
  .header-cta-group .btn-arrow-icon svg {
    width: 11px;
    height: 11px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-lg {
    width: 100%;
  }
  .value-ledger {
    grid-template-columns: 1fr;
    padding: 12px 4px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .search-input-field {
    width: 100%;
  }
  .zalo-support-container {
    bottom: 16px;
    right: 14px;
  }
  .zalo-floating-widget {
    padding: 6px 14px 6px 6px;
    gap: 8px;
  }
  .zalo-widget-icon {
    width: 34px;
    height: 34px;
  }
  .zalo-icon-text {
    font-size: 12px;
  }
  .zalo-widget-sub {
    font-size: 10px;
  }
  .zalo-widget-title {
    font-size: 12px;
  }
  .toast-container {
    bottom: 74px;
    right: 14px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===================================================
   SUCCESS WARRANTY NOTE (CHỤP BILL THANH TOÁN)
   =================================================== */
.success-warranty-note {
  background: rgba(211, 84, 0, 0.06);
  border: 1.5px dashed rgba(211, 84, 0, 0.35);
  border-radius: var(--radius-md, 12px);
  padding: 14px 18px;
  margin: 0 auto 24px;
  text-align: left;
  box-shadow: 0 2px 8px rgba(211, 84, 0, 0.04);
}

.warranty-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--brand-terracotta, #c85a32);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.warranty-badge svg {
  stroke: var(--brand-terracotta, #c85a32);
}

.warranty-msg {
  font-size: 13.5px;
  color: var(--text-primary, #1e293b);
  line-height: 1.5;
  margin-bottom: 6px;
}

.warranty-sub {
  font-size: 12.5px;
  color: var(--text-secondary, #64748b);
  line-height: 1.45;
  background: rgba(255, 255, 255, 0.5);
  padding: 6px 10px;
  border-radius: 6px;
}