/* ==========================================================================
   gonesting - Master CSS Stylesheet
   Centralized design system tokens, typography, layouts, and components.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #0053db;
  --color-primary-hover: #003ea8;
  --color-on-primary: #ffffff;
  --color-primary-container: #0043b3;
  --color-on-primary-container: #dbe1ff;
  --color-primary-fixed: #dbe1ff;
  --color-primary-fixed-dim: #b4c5ff;

  --color-surface: #f8f9ff;
  --color-on-surface: #191c20;
  --color-on-surface-variant: #43474e;
  --color-surface-variant: #d3e4fe;
  --color-surface-container: #e5eeff;
  --color-surface-container-low: #f2f3fa;
  --color-surface-container-lowest: #ffffff;
  --color-surface-bright: #f8f9ff;

  --color-outline: #73777f;
  --color-outline-variant: #c3c6cf;
  --color-tertiary: #006d4a;
  --color-tertiary-container: #007d55;
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  --color-on-error-container: #410002;

  /* Typography */
  --font-headline: 'Hanken Grotesk', sans-serif;
  --font-body: 'Hanken Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --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);
}

/* --------------------------------------------------------------------------
   2. Base & Typography Utilities
   -------------------------------------------------------------------------- */
.icon-fill {
  font-variation-settings: 'FILL' 1;
}

.dashboard-page {
  height: 100vh !important;
  overflow: hidden !important;
}

.bg-radial-pattern {
  background-image: radial-gradient(circle at 2px 2px, #0b1c30 1px, transparent 0);
  background-size: 24px 24px;
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-headline);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s ease-in-out;
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--color-surface-container);
}

.btn-outline {
  background-color: #ffffff;
  color: var(--color-on-surface);
  border-color: var(--color-outline-variant);
}

.btn-outline:hover {
  background-color: var(--color-surface-container-low);
}

.btn-danger {
  background-color: #ffffff;
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn-danger:hover {
  background-color: var(--color-error-container);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

.btn-md {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   4. Component Sections
   -------------------------------------------------------------------------- */

/* Header Navigation */
.site-header {
  background-color: var(--color-surface);
  height: 4rem;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-outline-variant);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-on-surface);
  text-decoration: none;
}

.nav-link {
  color: var(--color-on-surface-variant);
  font-weight: 500;
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}

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

/* Hero Section */
.hero-section {
  padding: 5rem 1.5rem;
  text-align: center;
  background-color: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant);
}

.hero-title {
  font-family: var(--font-headline);
  font-size: 3rem;
  line-height: 3.5rem;
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--color-on-surface-variant);
  max-width: 48rem;
  margin: 0 auto 2.5rem;
}

/* Bento Feature Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.bento-card {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.bento-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.bento-icon-badge {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

/* CAD Import Dashboard */
.dropzone-box {
  border: 2px dashed rgba(0, 83, 219, 0.4);
  background-color: var(--color-surface-container-low);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone-box:hover {
  background-color: var(--color-surface-container);
  border-color: var(--color-primary);
}

.format-badge {
  padding: 0.25rem 0.625rem;
  background-color: #ffffff;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
}

/* Part Cards Grid (parts.php) */

.part-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.part-card {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.part-card.active-selected {
  border: 2px solid var(--color-primary);
}

.part-card-preview {
  height: 12rem;
  background-color: var(--color-surface-container-low);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
  cursor: pointer;
}

/* Auth / Login Page */
.auth-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: #ffffff;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--color-primary);
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-dialog {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 32rem;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Nesting Execution Canvas & Custom Layouts */
.grid-dots {
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 20px 20px;
}

.nesting-part {
  border: 1px solid var(--color-primary-hover);
  background-color: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-primary-hover);
}

.progress-ring-circle {
  transition: stroke-dashoffset 0.35s;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}