/* Minimalist UI Design System - Extracted from styles.css.css */

:root {
  /* Minimal Color Palette - Using design tokens */
  --color-primary: #009bff;
  --color-primary-dark: #006fbc;
  --color-primary-light: #22b3ff;
  --color-primary-lighter: #e2f3ff;
  
  --color-text-strong: #171717;
  --color-text-sub: #5c5c5c;
  --color-text-soft: #a3a3a3;
  --color-text-inverse: #ffffff;
  
  --color-surface: #ffffff;
  --color-surface-subtle: #f7f7f7;
  --color-surface-elevated: #ffffff;
  
  --color-border: #ebebeb;
  --color-border-strong: #d1d1d1;
  
  --color-success: #1ac773;
  --color-warning: #f97316;
  --color-error: #f04842;
  --color-info: #009bff;
  
  /* Minimal Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Minimal Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Minimal Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Minimal Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Minimal Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
  --color-text-strong: #f8fafc;
  --color-text-sub: #94a3b8;
  --color-text-soft: #64748b;
  --color-text-inverse: #0f172a;
  
  /* Classic bluish slate shell */
  --color-surface: #0f172a;
  --color-surface-subtle: #1e293b;
  --color-surface-elevated: #1e293b;
  
  --color-border: #334155;
  --color-border-strong: #475569;
}

html.dark[data-dark-shell="black"] {
  --color-text-strong: #f8fafc;
  --color-text-sub: #a1a1aa;
  --color-text-soft: #71717a;
  --color-text-inverse: #09090b;
  --color-surface: #000000;
  --color-surface-subtle: #0a0a0a;
  --color-surface-elevated: #121212;
  --color-border: #27272a;
  --color-border-strong: #3f3f46;
}

/* Minimalist Base Styles */
* {
  box-sizing: border-box;
}

html {
  background-color: var(--color-surface);
}

body {
  color: var(--color-text-strong);
  background-color: var(--color-surface);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* Minimalist Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-text-strong);
  margin: 0;
}

/* Minimalist Buttons */
.btn-minimal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-strong);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-minimal:hover {
  background: var(--color-surface-subtle);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-minimal-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-minimal-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* Minimalist Cards */
.card-minimal {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card-minimal:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

/* Minimalist Inputs */
.input-minimal {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-strong);
  transition: all var(--transition-base);
}

.input-minimal:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 155, 255, 0.1);
}

/* Minimalist Badges */
.badge-minimal {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background: var(--color-surface-subtle);
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
}

.badge-minimal-success {
  background: rgba(26, 199, 115, 0.1);
  color: var(--color-success);
  border-color: rgba(26, 199, 115, 0.2);
}

.badge-minimal-warning {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-warning);
  border-color: rgba(249, 115, 22, 0.2);
}

.badge-minimal-error {
  background: rgba(240, 72, 66, 0.1);
  color: var(--color-error);
  border-color: rgba(240, 72, 66, 0.2);
}

.badge-minimal-info {
  background: rgba(0, 155, 255, 0.1);
  color: var(--color-info);
  border-color: rgba(0, 155, 255, 0.2);
}

/* Minimalist Dividers */
.divider-minimal {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-lg) 0;
}

/* Minimalist Spacing Utilities */
.space-minimal-xs { margin: var(--space-xs); }
.space-minimal-sm { margin: var(--space-sm); }
.space-minimal-md { margin: var(--space-md); }
.space-minimal-lg { margin: var(--space-lg); }
.space-minimal-xl { margin: var(--space-xl); }

/* Minimalist Container */
.container-minimal {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Minimalist Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

/* Keep upload progress shell stable while step labels change */
[data-upload-progress] {
  contain: layout style;
}
[data-upload-step-msg] {
  will-change: opacity;
}

/* Target Validate|Build panel: keep height stable-ish and ease content swaps */
.target-home-panel {
  transition: opacity 160ms ease, transform 160ms ease;
  will-change: opacity, transform;
}

@media (prefers-reduced-motion: reduce) {
  .target-home-panel {
    transition: none;
  }
}

.animate-slide-up {
  animation: slideUp var(--transition-base) ease-out;
}

/* Minimalist Focus States */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Minimalist Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-strong);
}

/* Minimalist Glass Effect */
.glass-minimal {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Classic bluish slate glass (default dark / Bluish slate shell) */
.dark .glass-minimal {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.dark .card-minimal.glass-minimal {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

/* Black glass shell only */
html.dark[data-dark-shell="black"] .glass-minimal {
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(16px) saturate(1.35);
  -webkit-backdrop-filter: blur(16px) saturate(1.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35);
}

/* Always apply black chrome (including bg-effect=none) so Tailwind slate utilities don't win */
html.dark[data-dark-shell="black"] header.glass-minimal,
html.dark[data-dark-shell="black"] nav.glass-minimal {
  background: rgba(0, 0, 0, 0.42) !important;
  backdrop-filter: blur(16px) saturate(1.35) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.35) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35) !important;
}

html.dark[data-dark-shell="black"][data-bg-effect]:not([data-bg-effect="none"]) header.glass-minimal,
html.dark[data-dark-shell="black"][data-bg-effect]:not([data-bg-effect="none"]) nav.glass-minimal {
  background: rgba(0, 0, 0, 0.32) !important;
  backdrop-filter: blur(18px) saturate(1.45) !important;
  -webkit-backdrop-filter: blur(18px) saturate(1.45) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4) !important;
}

/* Analyzed grid sticky filter bar — match active dark shell */
html.dark[data-dark-shell="black"] .shell-chrome-bar {
  background: rgba(10, 10, 10, 0.92) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}
html.dark[data-dark-shell="slate"] .shell-chrome-bar {
  background: rgba(15, 23, 42, 0.9) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}

html.dark[data-dark-shell="black"] .card-minimal.glass-minimal {
  background: rgba(18, 18, 18, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

html.dark[data-dark-shell="black"][data-bg-effect]:not([data-bg-effect="none"]) .card-minimal.glass-minimal {
  background: rgba(14, 14, 14, 0.84) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
  box-shadow:
    0 8px 36px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* Minimalist Elevation */
.elevation-0 { box-shadow: none; }
.elevation-1 { box-shadow: var(--shadow-sm); }
.elevation-2 { box-shadow: var(--shadow-md); }
.elevation-3 { box-shadow: var(--shadow-lg); }
.elevation-4 { box-shadow: var(--shadow-xl); }

/* Minimalist Transitions */
.transition-minimal {
  transition: all var(--transition-base);
}

.transition-minimal-fast {
  transition: all var(--transition-fast);
}

.transition-minimal-slow {
  transition: all var(--transition-slow);
}