/**
 * Swiss International Design System
 * Core principles: Helvetica, 8px grid, black/white/red palette
 * Minimalism, clarity, function over decoration
 * Author: Luke Steuber
 */

:root {
  /* Swiss Color Palette */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-red: #ff0000;

  /* Grays (minimal use) */
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e0e0e0;
  --color-gray-300: #cccccc;
  --color-gray-600: #666666;
  --color-gray-900: #1a1a1a;

  /* Grid system (8px base) */
  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-8: 64px;
  --spacing-10: 80px;
  --spacing-12: 96px;

  /* Typography */
  --font-primary: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;

  /* Layout */
  --max-width: 1200px;
  --container-padding: var(--spacing-3);
}

/* Swiss Typography */
body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--color-black);
  background-color: var(--color-white);
}

/* Container System */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Grid System (8px) */
.grid {
  display: grid;
  gap: var(--spacing-3);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

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

.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }

/* Swiss Header/Navigation */
.swiss-header {
  border-bottom: 1px solid var(--color-black);
  padding: var(--spacing-2) 0;
  background: var(--color-white);
}

.swiss-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
}

.swiss-nav-logo {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-black);
}

.swiss-nav-links {
  display: flex;
  gap: var(--spacing-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.swiss-nav-links a {
  text-decoration: none;
  color: var(--color-black);
  font-weight: 500;
  transition: color 0.15s ease;
}

.swiss-nav-links a:hover {
  color: var(--color-red);
}

/* Swiss Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  border: 2px solid var(--color-black);
  background: var(--color-white);
  color: var(--color-black);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  opacity: 1;
}

.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-white);
  color: var(--color-black);
}

.btn-red {
  border-color: var(--color-red);
  color: var(--color-red);
}

.btn-red:hover {
  background: var(--color-red);
  color: var(--color-white);
}

.btn-large {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: 1.125rem;
}

.btn-small {
  padding: 4px var(--spacing-2);
  font-size: 0.875rem;
}

/* Swiss Cards */
.card {
  border: 1px solid var(--color-black);
  background: var(--color-white);
  padding: var(--spacing-3);
}

.card-header {
  border-bottom: 1px solid var(--color-black);
  padding-bottom: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.card-title {
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0;
}

.card-body {
  padding: 0;
}

.card-footer {
  border-top: 1px solid var(--color-gray-200);
  padding-top: var(--spacing-2);
  margin-top: var(--spacing-2);
}

/* Swiss Sections */
.section {
  padding: var(--spacing-8) 0;
}

.section-header {
  border-bottom: 2px solid var(--color-black);
  padding-bottom: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

/* Swiss Lists */
.swiss-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.swiss-list-item {
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-2) 0;
}

.swiss-list-item:last-child {
  border-bottom: none;
}

/* Swiss Forms */
.form-group {
  margin-bottom: var(--spacing-3);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-1);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-1) var(--spacing-2);
  border: 1px solid var(--color-black);
  background: var(--color-white);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-black);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Swiss Badges/Tags */
.badge {
  display: inline-block;
  padding: 4px var(--spacing-1);
  border: 1px solid var(--color-black);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-red {
  background: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}

.badge-outline {
  background: transparent;
}

/* Swiss Dividers */
.divider {
  border: none;
  border-top: 1px solid var(--color-black);
  margin: var(--spacing-4) 0;
}

.divider-thick {
  border-top-width: 2px;
}

/* Swiss Footer */
.swiss-footer {
  border-top: 1px solid var(--color-black);
  padding: var(--spacing-4) 0;
  margin-top: var(--spacing-8);
  background: var(--color-white);
}

/* Color utilities */
.bg-black { background-color: var(--color-black); }
.bg-white { background-color: var(--color-white); }
.bg-red { background-color: var(--color-red); }
.bg-gray-100 { background-color: var(--color-gray-100); }

.text-black { color: var(--color-black); }
.text-white { color: var(--color-white); }
.text-red { color: var(--color-red); }
.text-gray { color: var(--color-gray-600); }

.border-black { border-color: var(--color-black); }
.border-red { border-color: var(--color-red); }

/* No gradients, no shadows, no decoration */
/* Function over form */