/**
 * Kathpencil - Core Design System & Tokens
 * Quiet Luxury & Serene Minimalism for Modest Fashion
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  /* Surfaces & Backgrounds */
  --kp-canvas: #ffffff;
  --kp-canvas-alt: #faf9f7;
  --kp-canvas-subtle: #f5f3ef;
  --kp-surface: #ffffff;
  --kp-surface-glass: rgba(255, 255, 255, 0.94);
  --kp-surface-dark: #18181b;
  --kp-surface-dark-alt: #27272a;

  /* Typography Colors */
  --kp-dark: #18181b;
  --kp-dark-soft: #27272a;
  --kp-text: #27272a;
  --kp-text-muted: #6b6864;
  --kp-text-subtle: #8e8b85;
  --kp-text-inverse: #ffffff;
  --kp-text-inverse-muted: #a1a1aa;

  /* Quiet Luxury Champagne Taupe & Warm Stone Accents */
  --kp-accent: #b59a79;
  --kp-accent-hover: #a38765;
  --kp-accent-soft: #f7f4ee;
  --kp-accent-border: #e6dec3;
  --kp-accent-gold: #c5a880;

  /* Status Colors */
  --kp-success: #15803d;
  --kp-success-bg: #f0fdf4;
  --kp-warning: #b45309;
  --kp-warning-bg: #fffbeb;
  --kp-danger: #b91c1c;
  --kp-danger-bg: #fef2f2;

  /* Refined Hairlines & Subtle Borders */
  --kp-border: #ebe7e0;
  --kp-border-subtle: #f2efe9;
  --kp-border-dark: #3f3f46;
  --kp-border-focus: #18181b;

  /* Sizing & Radii */
  --kp-radius-xs: 4px;
  --kp-radius-sm: 6px;
  --kp-radius-md: 10px;
  --kp-radius-lg: 16px;
  --kp-radius-pill: 9999px;

  /* Gentle Shadows */
  --kp-shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.03);
  --kp-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --kp-shadow-md: 0 6px 18px -3px rgba(0, 0, 0, 0.05);
  --kp-shadow-lg: 0 14px 30px -4px rgba(0, 0, 0, 0.08);
  --kp-shadow-drawer: -10px 0 36px rgba(0, 0, 0, 0.12);

  /* Typography Stacks */
  --kp-font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --kp-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --kp-font-mono: 'Space Grotesk', -apple-system, BlinkMacSystemFont, monospace;

  /* Timings */
  --kp-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --kp-transition-fast: 0.18s var(--kp-ease);
  --kp-transition-smooth: 0.28s var(--kp-ease);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--kp-font-sans);
  background-color: var(--kp-canvas);
  color: var(--kp-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--kp-transition-fast), opacity var(--kp-transition-fast);
}

img, svg, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--kp-font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--kp-dark);
  letter-spacing: -0.015em;
}

.kp-mono {
  font-family: var(--kp-font-mono);
}

/* Containers */
.kp-container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

.kp-container-narrow {
  width: 100%;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

/* Buttons */
.kp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--kp-font-sans);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border-radius: var(--kp-radius-pill);
  transition: all var(--kp-transition-smooth);
  position: relative;
  overflow: hidden;
  text-align: center;
  user-select: none;
  cursor: pointer;
}

.kp-btn-primary {
  background-color: var(--kp-dark);
  color: var(--kp-text-inverse);
  border: 1px solid var(--kp-dark);
}

.kp-btn-primary:hover {
  background-color: #27272a;
  border-color: #27272a;
  color: var(--kp-text-inverse);
  transform: translateY(-1px);
}

.kp-btn-primary:active {
  transform: translateY(0);
}

.kp-btn-outline {
  background-color: transparent;
  color: var(--kp-dark);
  border: 1px solid var(--kp-border);
}

.kp-btn-outline:hover {
  border-color: var(--kp-dark);
  background-color: var(--kp-canvas-alt);
}

.kp-btn-arrow {
  display: inline-block;
  transition: transform var(--kp-transition-fast);
}

.kp-btn:hover .kp-btn-arrow {
  transform: translateX(3px);
}

/* Badges */
.kp-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--kp-font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: var(--kp-radius-pill);
  line-height: 1;
}

.kp-badge-dark {
  background: var(--kp-dark);
  color: #ffffff;
}

.kp-badge-accent {
  background: var(--kp-accent-soft);
  color: var(--kp-accent-hover);
  border: 1px solid var(--kp-accent-border);
}

.kp-badge-stock-in {
  background: var(--kp-success-bg);
  color: var(--kp-success);
  border: 1px solid #bbf7d0;
}

.kp-badge-stock-low {
  background: var(--kp-warning-bg);
  color: var(--kp-warning);
  border: 1px solid #fde68a;
}

.kp-badge-stock-out {
  background: var(--kp-danger-bg);
  color: var(--kp-danger);
  border: 1px solid #fecaca;
}

/* Form Inputs */
.kp-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.kp-label {
  font-family: var(--kp-font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--kp-dark);
}

.kp-input-wrapper {
  background: #ffffff;
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  padding: 2px;
  transition: border-color var(--kp-transition-fast);
}

.kp-input-wrapper:focus-within {
  border-color: var(--kp-dark);
  box-shadow: 0 0 0 2px rgba(24, 24, 27, 0.06);
}

.kp-input {
  width: 100%;
  background: transparent;
  padding: 10px 14px;
  font-size: 0.92rem;
  color: var(--kp-text);
}

.kp-input::placeholder {
  color: var(--kp-text-subtle);
}

.kp-textarea {
  min-height: 90px;
  resize: vertical;
}

.kp-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b6864' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}