/* ==========================================================================
   CreatorFlow — Neo-Brutalist / Bauhaus Design System
   "Form Follows Function" - Bold, Raw, Geometric, Unapologetic
   Ultra Sharp 1080p Visual Engine
   ========================================================================== */

:root {
  /* Bauhaus Palette */
  --color-primary: #1a1a1a;
  --color-on-primary: #ffffff;
  --color-surface: #f5f0e8;
  --color-surface-bright: #faf7f2;
  --color-surface-container: #eee9e0;
  --color-surface-high: #e8e3da;
  --color-surface-highest: #e2ddd4;
  --color-surface-dim: #d6d1c9;
  
  --color-yellow: #ffcc00; /* Primary Container / Hero CTA */
  --color-red: #e63b2e;    /* Secondary / Urgent / Highlight */
  --color-blue: #0055ff;   /* Tertiary / Links / Tech */
  --color-green: #00875a;  /* Success / Paid */
  --color-text-muted: #4a4a4a;

  /* Typography */
  --font-headline: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Brutalist Elevation & Borders */
  --border-thick: 3px solid var(--color-primary);
  --border-mega: 4px solid var(--color-primary);
  --shadow-sm: 4px 4px 0px 0px var(--color-primary);
  --shadow-md: 6px 6px 0px 0px var(--color-primary);
  --shadow-lg: 10px 10px 0px 0px var(--color-primary);
  --shadow-xl: 14px 14px 0px 0px var(--color-primary);
  --shadow-hover: 2px 2px 0px 0px var(--color-primary);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-surface);
  color: var(--color-primary);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-surface);
  color: var(--color-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  padding-bottom: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--color-yellow);
  color: var(--color-primary);
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* 1080p Crisp Image Engine */
img {
  max-width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Utility Layout Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Brutalist Component Primitives */
.brutal-card {
  border: var(--border-thick);
  background-color: var(--color-surface-bright);
  box-shadow: var(--shadow-md);
  transition: all 0.2s ease;
}

.brutal-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--color-primary);
}

.brutal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-headline);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: var(--border-thick);
  background-color: var(--color-yellow);
  color: var(--color-primary);
  padding: 0.85rem 1.75rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  user-select: none;
  text-align: center;
}

.brutal-btn:hover {
  transform: translate(3px, 3px);
  box-shadow: var(--shadow-hover);
}

.brutal-btn:active {
  transform: translate(6px, 6px);
  box-shadow: 0px 0px 0px 0px var(--color-primary);
}

.brutal-btn-red {
  background-color: var(--color-red);
  color: #ffffff;
}

.brutal-btn-red:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.brutal-btn-blue {
  background-color: var(--color-blue);
  color: #ffffff;
}

.brutal-btn-blue:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.brutal-btn-outline {
  background-color: #ffffff;
  color: var(--color-primary);
}

.brutal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--color-primary);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.brand-logo .logo-icon {
  background-color: var(--color-yellow);
  border: 2px solid var(--color-primary);
  box-shadow: 2px 2px 0px var(--color-primary);
  padding: 0.2rem 0.4rem;
  font-size: 1.4rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.nav-links a {
  padding: 0.4rem 0.6rem;
  transition: background-color 0.15s ease;
}

.nav-links a:hover {
  background-color: var(--color-yellow);
  outline: 2px solid var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
main {
  flex-grow: 1;
  padding-top: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

@media (min-width: 768px) {
  main {
    gap: 7rem;
  }
}

/* Section Title Primitives */
.section-title-wrapper {
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-headline);
  font-size: 2.25rem;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  letter-spacing: -0.03em;
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: 0.75rem;
  display: inline-block;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3.25rem;
  }
}

.section-subtitle {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-top: 0.75rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero-badge {
  background-color: var(--color-red);
  color: #ffffff;
  transform: rotate(-2deg);
  width: max-content;
}

.hero-headline {
  font-family: var(--font-headline);
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .hero-headline {
    font-size: 4.25rem;
  }
}

.hero-headline .highlight-blue {
  color: var(--color-blue);
  display: block;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  border-left: 4px solid var(--color-primary);
  padding-left: 1.25rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.35rem;
  }
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.hero-stats {
  display: flex;
  gap: 1.5rem;
  padding-top: 0.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-headline);
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

/* Hero Media Visual */
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-frame {
  border: var(--border-thick);
  background-color: #ffffff;
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.5deg);
  transition: transform 0.3s ease;
}

.hero-frame:hover {
  transform: rotate(0deg);
}

.hero-image-wrap {
  border: 2px solid var(--color-primary);
  overflow: hidden;
  position: relative;
  background-color: #000000;
  aspect-ratio: 16/11;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-visual-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: var(--color-yellow);
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 5;
}

/* Geometric Decors */
.geo-shape-1 {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 5rem;
  height: 5rem;
  background-color: var(--color-yellow);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  z-index: -1;
}

.geo-shape-2 {
  position: absolute;
  top: -1.5rem;
  left: -1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--color-red);
  border: 3px solid var(--color-primary);
  z-index: -1;
}

/* ==========================================================================
   Pain Points Section ("Vấn Đề Của Bạn?")
   ========================================================================== */
.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pain-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.pain-icon-wrap {
  width: 3.5rem;
  height: 3.5rem;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0px var(--color-primary);
}

.pain-icon-red { background-color: #ffdad6; color: var(--color-red); }
.pain-icon-blue { background-color: #d6e3ff; color: var(--color-blue); }
.pain-icon-black { background-color: var(--color-yellow); color: var(--color-primary); }

.pain-title {
  font-family: var(--font-headline);
  font-size: 1.45rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.2;
}

.pain-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Before / After Interactive Showcase (1080p Crisp HD)
   ========================================================================== */
.showcase-container {
  background-color: var(--color-surface-container);
  border: var(--border-mega);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

@media (min-width: 768px) {
  .showcase-container {
    padding: 3rem;
  }
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .showcase-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.showcase-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.showcase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.showcase-label {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.showcase-box {
  border: 3px solid var(--color-primary);
  background-color: #ffffff;
  padding: 0.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.showcase-media {
  width: 100%;
  aspect-ratio: 9/16;
  max-height: 520px;
  border: 2px solid var(--color-primary);
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.showcase-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ai-overlay {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: rgba(26, 26, 26, 0.9);
  color: #fff;
  border: 2px solid var(--color-yellow);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  z-index: 5;
  box-shadow: 2px 2px 0px #000;
}

.pulsing-dot {
  width: 8px;
  height: 8px;
  background-color: #ff3b30;
  border-radius: 50%;
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.7); }
}

/* ==========================================================================
   Workflow Section ("Quy Trình Đơn Giản")
   ========================================================================== */
.workflow-section-wrap {
  background-color: var(--color-surface-container);
  border: var(--border-mega);
  box-shadow: var(--shadow-xl);
  padding: 2rem 1.5rem;
}

@media (min-width: 768px) {
  .workflow-section-wrap {
    padding: 3rem 2.5rem;
  }
}

.workflow-header-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .workflow-header-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .workflow-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 1.5rem;
}

.step-num {
  font-family: var(--font-headline);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-yellow);
  -webkit-text-stroke: 2px var(--color-primary);
  flex-shrink: 0;
}

.step-content h4 {
  font-family: var(--font-headline);
  font-size: 1.45rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.step-content p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.workflow-preview-frame {
  border: var(--border-thick);
  background-color: #ffffff;
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  transform: rotate(-1.5deg);
  transition: transform 0.3s ease;
}

.workflow-preview-frame:hover {
  transform: rotate(0deg);
}

.workflow-preview-frame img {
  border: 2px solid var(--color-primary);
  width: 100%;
  height: auto;
  aspect-ratio: 16/11;
  object-fit: cover;
}

/* ==========================================================================
   What's Inside Grid (Features Included)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-box {
  border: var(--border-thick);
  background-color: #ffffff;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-badge {
  width: max-content;
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 900;
  padding: 0.25rem 0.5rem;
  border: 2px solid var(--color-primary);
  background-color: var(--color-surface-container);
  text-transform: uppercase;
}

.feature-title {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Pricing Section ("Mời Mình 1 Ly Cafe")
   ========================================================================== */
.pricing-section {
  display: flex;
  justify-content: center;
}

.pricing-card {
  background-color: var(--color-yellow);
  border: var(--border-mega);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem 1.5rem;
  max-width: 800px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .pricing-card {
    padding: 3.5rem 3rem;
  }
}

.pricing-circle-bg {
  position: absolute;
  top: -4rem;
  right: -4rem;
  width: 16rem;
  height: 16rem;
  background-color: #ffffff;
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.6;
  pointer-events: none;
}

.pricing-title {
  font-family: var(--font-headline);
  font-size: 2.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1.05;
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .pricing-title {
    font-size: 4rem;
  }
}

.price-tag {
  background-color: #ffffff;
  border: 3px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  padding: 0.6rem 1.75rem;
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 900;
  transform: rotate(2deg);
  position: relative;
  z-index: 2;
}

.pricing-perks {
  text-align: left;
  width: 100%;
  max-width: 480px;
  background-color: rgba(255, 255, 255, 0.7);
  border: 3px solid var(--color-primary);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
}

.perks-header {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.perks-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.perks-list .check-icon {
  color: var(--color-red);
  font-weight: 900;
  font-size: 1.4rem;
  line-height: 1;
}

.pricing-btn {
  font-size: 1.35rem;
  padding: 1.25rem 2.5rem;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  border: var(--border-thick);
  background-color: var(--color-surface-bright);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
}

.faq-question:hover {
  background-color: var(--color-yellow);
}

.faq-toggle-icon {
  font-size: 1.75rem;
  font-weight: 900;
  transition: transform 0.25s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background-color: #ffffff;
  border-top: 0px solid var(--color-primary);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 1.25rem 1.5rem;
  border-top: 2px solid var(--color-primary);
}

.faq-answer p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 4px solid var(--color-primary);
  background-color: var(--color-surface-high);
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-family: var(--font-headline);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.footer-links a {
  padding: 0.3rem 0.6rem;
  transition: background-color 0.15s ease;
}

.footer-links a:hover {
  background-color: var(--color-yellow);
  outline: 2px solid var(--color-primary);
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

/* ==========================================================================
   Sticky Bottom CTA Bar
   ========================================================================== */
.sticky-bar {
  position: fixed;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 1.5rem);
  max-width: 460px;
  z-index: 90;
}

.sticky-bar-inner {
  background-color: rgba(245, 240, 232, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 3px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  padding: 0.65rem;
  border-radius: 4px;
}

.sticky-cta-btn {
  width: 100%;
  font-size: 1.15rem;
  padding: 0.85rem 1rem;
}

/* ==========================================================================
   Modals (Checkout & Contact)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 26, 26, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--color-surface-bright);
  border: var(--border-mega);
  box-shadow: var(--shadow-xl);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.2s ease;
}

.modal-backdrop.active .modal-box {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-primary);
  background-color: var(--color-red);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--color-primary);
  transition: all 0.15s ease;
}

.modal-close-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px var(--color-primary);
}

.modal-title {
  font-family: var(--font-headline);
  font-size: 1.85rem;
  font-weight: 900;
  text-transform: uppercase;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 0.6rem;
  margin-bottom: 1.5rem;
}

/* Modal Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.form-control {
  border: 2px solid var(--color-primary);
  background-color: #ffffff;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  box-shadow: 2px 2px 0px var(--color-primary);
  outline: none;
}

.form-control:focus {
  background-color: #fffde6;
  border-color: var(--color-blue);
}

/* Payment Modal Specifics */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.qr-frame {
  border: 3px solid var(--color-primary);
  padding: 0.75rem;
  background-color: #ffffff;
  box-shadow: var(--shadow-md);
}

.qr-frame img {
  width: 220px;
  height: 220px;
  object-fit: contain;
}

.payment-info-box {
  width: 100%;
  border: 2px solid var(--color-primary);
  background-color: var(--color-surface-container);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.payment-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.payment-info-row .label {
  font-weight: 600;
  color: var(--color-text-muted);
}

.payment-info-row .value {
  font-family: var(--font-headline);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-copy {
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  border: 1px solid var(--color-primary);
  background-color: var(--color-yellow);
  cursor: pointer;
  box-shadow: 1px 1px 0px var(--color-primary);
}

.btn-copy:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}

.polling-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-blue);
  margin-top: 0.5rem;
}

/* Success Modal */
.success-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.success-icon {
  width: 4.5rem;
  height: 4.5rem;
  background-color: #d4edda;
  color: #155724;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: var(--shadow-sm);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  border: 2px solid var(--color-primary);
  background-color: var(--color-yellow);
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slide-in-toast 0.25s ease forwards;
}

@keyframes slide-in-toast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-success { background-color: #d4edda; color: #155724; }
.toast-error { background-color: #f8d7da; color: #721c24; }