:root {
  color-scheme: dark;
  
  /* Core Colors */
  --background: #0d0a0f;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --surface-glow: rgba(255, 140, 178, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(255, 140, 178, 0.25);
  
  /* Text */
  --text: #faf5f7;
  --text-secondary: rgba(250, 245, 247, 0.7);
  --text-muted: rgba(250, 245, 247, 0.5);
  
  /* Accent - Rose Pink */
  --accent-light: #ffd4e8;
  --accent: #ff8cb8;
  --accent-dark: #c9547e;
  --accent-glow: rgba(255, 140, 184, 0.4);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(255, 140, 184, 0.15);
  
  /* Animation */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated Background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(255, 140, 184, 0.15), transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(200, 80, 130, 0.12), transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(255, 180, 210, 0.05), transparent 60%);
  pointer-events: none;
  z-index: -1;
  animation: backgroundPulse 15s ease-in-out infinite alternate;
}

@keyframes backgroundPulse {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.8; transform: scale(1.05); }
}

/* Floating Particles */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: 
    radial-gradient(2px 2px at 10% 20%, rgba(255, 200, 220, 0.3), transparent),
    radial-gradient(2px 2px at 30% 70%, rgba(255, 180, 200, 0.25), transparent),
    radial-gradient(1px 1px at 50% 30%, rgba(255, 220, 230, 0.4), transparent),
    radial-gradient(2px 2px at 70% 80%, rgba(255, 160, 190, 0.2), transparent),
    radial-gradient(1px 1px at 90% 40%, rgba(255, 200, 215, 0.35), transparent),
    radial-gradient(2px 2px at 15% 90%, rgba(255, 190, 210, 0.25), transparent),
    radial-gradient(1px 1px at 85% 15%, rgba(255, 210, 225, 0.3), transparent);
  animation: floatParticles 20s linear infinite;
}

@keyframes floatParticles {
  0% { transform: translateY(0); }
  100% { transform: translateY(-30px); }
}

/* Page Layout */
.page-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 2rem 1.5rem 3rem;
}

/* Header */
.site-brand {
  width: 100%;
  max-width: 1000px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.brand::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 1px;
}

/* Navigation */
.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
}

.nav-link.active,
.nav-link.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* Main Content */
.content-wrapper {
  width: 100%;
  max-width: 680px;
  background: linear-gradient(180deg, rgba(30, 25, 35, 0.85) 0%, rgba(20, 18, 25, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: 28px;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow: 
    var(--shadow-lg),
    var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 3rem;
  position: relative;
  overflow: hidden;
  animation: cardAppear 0.6s var(--transition-slow) backwards;
}

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
}

.content-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 200, 220, 0.3), transparent);
}

/* Typography */
h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

a:hover {
  color: var(--accent-light);
}

.link-underline {
  display: inline-block;
}

.link-underline::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-normal);
  outline: none;
}

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

input:hover,
textarea:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--surface-strong);
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  background: var(--surface-strong);
  box-shadow: 
    0 0 0 4px rgba(255, 140, 184, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.6;
}

/* Buttons */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 14px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  text-decoration: none;
}

button[type="submit"],
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: 
    0 8px 24px rgba(255, 140, 184, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

button[type="submit"]::before,
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

button[type="submit"]:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 32px rgba(255, 140, 184, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

button[type="submit"]:hover::before,
.btn-primary:hover::before {
  opacity: 1;
}

button[type="submit"]:active,
.btn-primary:active {
  transform: translateY(0);
}

button[type="button"],
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

button[type="button"]:hover,
.btn-secondary:hover {
  background: var(--surface-strong);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
}

.btn-ghost:hover {
  color: var(--text);
  background: var(--surface);
}

/* Button Groups */
.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* Step Wizard */
.step-container {
  animation: stepFadeIn 0.4s ease;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
}

.step-indicator {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.step-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  transform: scale(1.2);
}

.step-dot.completed {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* Preview Box */
#preview,
.preview-box {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--border-accent);
  border-radius: 16px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  line-height: 1.7;
  min-height: 120px;
}

.preview-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  transition: all var(--transition-normal);
}

.card:hover {
  background: var(--surface-strong);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Rose Icon Animation */
.rose-icon {
  display: inline-block;
  font-size: 1.5rem;
  animation: rosePulse 2s ease-in-out infinite;
}

@keyframes rosePulse {
  0%, 100% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.1) rotate(-5deg); }
  75% { transform: scale(1.1) rotate(5deg); }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 2rem 0 3rem;
}

.hero-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  display: block;
  animation: heroFloat 3s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero h1 {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.125rem;
  max-width: 400px;
  margin: 0 auto 2rem;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.dashboard-action {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition-normal);
}

.dashboard-action:hover {
  background: var(--surface-glow);
  border-color: var(--border-accent);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.dashboard-action-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 14px;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.dashboard-action-content h3 {
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.dashboard-action-content p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Auth Pages */
.auth-container {
  text-align: center;
}

.auth-container h1 {
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.auth-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Footer */
.page-footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 1rem 0;
}

/* Success/Error States */
.message {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.message-success {
  background: rgba(80, 200, 120, 0.15);
  border: 1px solid rgba(80, 200, 120, 0.3);
  color: #50c878;
}

.message-error {
  background: rgba(255, 100, 100, 0.15);
  border: 1px solid rgba(255, 100, 100, 0.3);
  color: #ff6464;
}

/* Responsive */
@media (max-width: 640px) {
  .page-shell {
    padding: 1.5rem 1rem 2rem;
  }
  
  .content-wrapper {
    padding: 2rem 1.5rem;
    border-radius: 24px;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-icon {
    font-size: 3rem;
  }
  
  .site-brand {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .dashboard-action {
    flex-direction: column;
    text-align: center;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Selection */
::selection {
  background: var(--accent);
  color: #fff;
}