/*
  Fluid-style foundation layer for the Fluid base theme.
  This file introduces:
  - Fluid-like design tokens
  - Standard layout primitives (page-width, section)
  - Core component contracts (button, field, card)
  while keeping compatibility with existing theme tokens.
*/

:root {
  /* =====================================================
     TYPOGRAPHY TOKENS
     These reference CSS vars set in theme.liquid :root
     ===================================================== */
  --font-body-family: var(--ff-body, Inter, system-ui, -apple-system, "Segoe UI", sans-serif);
  --font-body-style: normal;
  --font-body-weight: var(--fw-body, 400);
  --font-heading-family: var(--ff-heading, var(--font-body-family));
  --font-heading-style: normal;
  --font-heading-weight: 700;
  --font-body-scale: 1;
  --font-heading-scale: 1;

  /* =====================================================
     SEMANTIC COLOR TOKENS
     All reference --clr-* set dynamically in theme.liquid
     ===================================================== */
  --color-background: var(--clr-bg, #f9fafe);
  --color-foreground: var(--clr-body, #171b2b);
  --color-heading: var(--clr-heading, #0f1526);
  --color-background-secondary: var(--clr-surface-2, #f8f8f8);
  --color-border: var(--clr-gray-200, #eaecf0);
  --color-link: var(--clr-link, #2365ea);
  --color-link-hover: var(--clr-link-hover, #0040c1);

  /* Buttons */
  --color-button: var(--clr-btn-primary-bg, #2365ea);
  --color-button-text: var(--clr-btn-primary-text, #ffffff);
  --color-button-hover: var(--clr-btn-primary-hover, #0040c1);
  --color-button-hover-text: var(--clr-btn-primary-hover-text, #ffffff);
  --color-button-secondary: var(--clr-secondary, #e0e1e2);
  --color-button-secondary-text: var(--clr-black, #000000);
  --color-button-outline: var(--clr-btn-outline-text, #2365ea);
  --color-button-outline-hover-bg: var(--clr-btn-outline-hover-bg, #eff4ff);

  /* Brand */
  --color-primary: var(--clr-primary, #2365ea);
  --color-primary-50: var(--clr-primary-50, #eff4ff);
  --color-primary-100: var(--clr-primary-100, #d1e0ff);
  --color-primary-200: var(--clr-primary-200, #a4c2ff);
  --color-primary-300: var(--clr-primary-300, #6ba0f8);
  --color-primary-400: var(--clr-primary-400, #4782f2);
  --color-primary-600: var(--clr-primary-600, #1a52d4);
  --color-primary-700: var(--clr-primary-700, #1040ba);
  --color-primary-800: var(--clr-primary-800, #0040c1);
  --color-primary-900: var(--clr-primary-900, #002d8a);

  --color-accent: var(--clr-accent, #7c3aed);
  --color-accent-50: var(--clr-accent-50, #f5f3ff);
  --color-accent-100: var(--clr-accent-100, #ede9fe);
  --color-accent-text: var(--clr-accent-text, #ffffff);

  /* Surfaces */
  --color-surface: var(--clr-surface, #ffffff);
  --color-surface-2: var(--clr-surface-2, #f8f8f8);
  --color-section-alt: var(--clr-section-alt-bg, #f3f4f8);
  --color-muted: var(--clr-muted, #818596);

  /* Semantic states — all reference merchant-controlled --clr-* vars */
  --color-success: var(--clr-success, #0a7a3f);
  --color-success-bg: var(--clr-success-bg, #dcfae6);
  --color-success-border: var(--clr-success-border, #abefc6);
  --color-warning: var(--clr-warning, #9a6700);
  --color-warning-bg: var(--clr-warning-bg, #fff4cc);
  --color-warning-border: var(--clr-warning-border, #fde272);
  --color-error: var(--clr-error, #b42318);
  --color-error-bg: var(--clr-error-bg, #fee4e2);
  --color-error-border: var(--clr-error-border, #fda29b);
  --color-info: var(--clr-info, #175cd3);
  --color-info-bg: var(--clr-info-bg, #dbeafe);
  --color-info-border: var(--clr-info-border, #93c5fd);

  /* Inputs */
  --color-input-bg: var(--clr-input-bg, #ffffff);
  --color-input-border: var(--clr-input-border, #eaecf0);
  --color-input-border-hover: var(--clr-input-border-hover, #d0d5dd);
  --color-input-focus: var(--clr-input-focus-border, #2365ea);
  --color-placeholder: var(--clr-input-placeholder, #98a2b3);
  --color-focus-ring: var(--clr-focus-ring, #d1e0ff);

  /* Header / Footer */
  --color-header-bg: var(--clr-header-bg, #ffffff);
  --color-header-text: var(--clr-header-text, #171b2b);
  --color-header-border: var(--clr-header-border, #eaecf0);
  --color-footer-bg: var(--clr-footer-bg, #0f1526);
  --color-footer-text: var(--clr-footer-text, #d0d5dd);
  --color-footer-heading: var(--clr-footer-heading, #ffffff);
  --color-footer-border: var(--clr-footer-border, #1d2939);

  /* Overlay */
  --color-overlay: var(--clr-overlay, rgba(0, 0, 0, 0.4));
  --color-overlay-text: var(--clr-overlay-text, #ffffff);

  /* Badge */
  --color-badge-bg: var(--clr-badge-bg, #eff4ff);
  --color-badge-text: var(--clr-badge-text, #2365ea);
  --color-badge-border: var(--clr-badge-border, #d1e0ff);

  /* =====================================================
     SHAPE / MOTION / LAYOUT TOKENS
     ===================================================== */
  --inputs-radius: var(--rounded-sm, 8px);
  --buttons-radius: var(--btn-rounded, 8px);
  --card-border-width: var(--card-border-width, 1px);
  --card-border-opacity: 1;

  --duration-short: 150ms;
  --duration-default: 250ms;
  --duration-long: 400ms;

  /* Layout tokens come from theme.liquid only — do not override here */

  /* =====================================================
     FLUID-PREFIXED ALIASES for theme-specific extensibility
     ===================================================== */
  --fluid-color-bg: var(--color-background);
  --fluid-color-fg: var(--color-foreground);
  --fluid-color-heading: var(--color-heading);
  --fluid-color-border: var(--color-border);
  --fluid-color-primary: var(--color-primary);
  --fluid-color-accent: var(--color-accent);
  --fluid-color-surface: var(--color-surface);
  --fluid-color-surface-2: var(--color-surface-2);
  --fluid-color-muted: var(--color-muted);
  --fluid-color-success: var(--color-success);
  --fluid-color-warning: var(--color-warning);
  --fluid-color-error: var(--color-error);
  --fluid-color-info: var(--color-info);
  --fluid-color-overlay: var(--color-overlay);
  --fluid-color-header-bg: var(--color-header-bg);
  --fluid-color-footer-bg: var(--color-footer-bg);
  --fluid-radius-input: var(--inputs-radius);
  --fluid-radius-button: var(--buttons-radius);
  --fluid-radius-card: var(--card-radius);
  --fluid-space-section: var(--section-spacing);
  --fluid-page-width: var(--page-width);
  --fluid-page-width-narrow: var(--page-width-narrow);
  --fluid-page-gutter: var(--page-gutter);
}

/* =====================================================
   COLOR SCHEME CLASSES
   Used to swap bg/fg in sections — mirrors Shopify Dawn
   ===================================================== */

/* Scheme 1 — Default page bg (light gray) */
.color-background-1 {
  --color-background: var(--clr-bg, #f9fafe);
  --color-foreground: var(--clr-body, #171b2b);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Scheme 2 — Pure white surface */
.color-background-2 {
  --color-background: var(--clr-surface, #ffffff);
  --color-foreground: var(--clr-body, #171b2b);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Scheme 3 — Alternate / subtle off-white */
.color-background-3 {
  --color-background: var(--clr-section-alt-bg, #f3f4f8);
  --color-foreground: var(--clr-body, #171b2b);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Accent 1 — Primary brand color bg */
.color-accent-1 {
  --color-background: var(--clr-primary, #2365ea);
  --color-foreground: var(--clr-btn-primary-text, #ffffff);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Accent 2 — Subtle gray bg */
.color-accent-2 {
  --color-background: var(--clr-surface-2, #f8f8f8);
  --color-foreground: var(--clr-body, #171b2b);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Accent 3 — Secondary accent (purple) bg */
.color-accent-3 {
  --color-background: var(--clr-accent, #7c3aed);
  --color-foreground: var(--clr-accent-text, #ffffff);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Dark scheme — for footer or dark hero sections */
.color-scheme-dark {
  --color-background: var(--clr-gray-900, #101828);
  --color-foreground: var(--clr-gray-100, #f8f8f8);
  --color-heading: var(--clr-white, #ffffff);
  --color-muted: var(--clr-gray-400, #bdc1d2);
  --color-border: var(--clr-gray-700, #344054);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

/* Fluid-like layout primitives */
.page-width {
  max-width: var(--page-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}

.page-width--narrow {
  max-width: var(--page-width-narrow);
}

.section {
  display: block;
}

.section--padding {
  padding-top: var(--section-spacing);
  padding-bottom: var(--section-spacing);
}

.section-header {
  margin-bottom: clamp(16px, 2.5vw, 28px);
}

.section-header__title {
  margin: 0;
}

/* Fluid-prefixed layout aliases for consistent section authoring */
.fluid-container,
.fluid-page-width {
  max-width: var(--fluid-page-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--fluid-page-gutter);
  padding-right: var(--fluid-page-gutter);
  width: 100%;
}

.fluid-container--narrow,
.fluid-page-width--narrow {
  max-width: var(--fluid-page-width-narrow);
}

.fluid-container--full {
  max-width: 100%;
}

.fluid-section {
  display: block;
}

.fluid-section--padding {
  padding-top: var(--fluid-space-section);
  padding-bottom: var(--fluid-space-section);
}

/* =====================================================
   FORM FIELD CONTRACTS
   ===================================================== */
.field {
  position: relative;
  display: flex;
  align-items: center;
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--color-input-border);
  border-radius: var(--inputs-radius);
  background: var(--color-input-bg);
  color: var(--color-foreground);
  font: inherit;
  transition: border-color var(--duration-short) ease;
}

.field__input::placeholder {
  color: var(--color-placeholder);
}

.field__input:hover {
  border-color: var(--color-input-border-hover);
}

.field__input:focus-visible {
  outline: none;
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.field__label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-foreground);
}

/* Fluid-like card contracts */
.card {
  border: var(--card-border-width) solid var(--color-border);
  border-radius: var(--card-radius);
  background: var(--card-bg, var(--color-background));
  overflow: hidden;
}

.card__media {
  display: block;
}

.card__media img {
  display: block;
  width: 100%;
  height: auto;
}

.card__content {
  padding: clamp(12px, 2vw, 20px);
}

.card__heading {
  margin: 0;
}

/* Common Fluid helper classes */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.list-unstyled {
  margin: 0;
  padding: 0;
  list-style: none;
}

.link {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* =====================================================
   SEMANTIC COLOR UTILITY HELPERS
   ===================================================== */

/* Text color utilities */
.text-muted     { color: var(--color-muted); }
.text-heading   { color: var(--color-heading); }
.text-success   { color: var(--color-success); }
.text-warning   { color: var(--color-warning); }
.text-error     { color: var(--color-error); }
.text-info      { color: var(--color-info); }
.text-primary   { color: var(--color-primary); }
.text-accent    { color: var(--color-accent); }

/* Background utilities */
.bg-surface       { background-color: var(--color-surface); }
.bg-surface-2     { background-color: var(--color-surface-2); }
.bg-section-alt   { background-color: var(--color-section-alt); }
.bg-primary       { background-color: var(--color-primary); color: var(--color-button-text); }
.bg-accent        { background-color: var(--color-accent); color: var(--color-accent-text); }
.bg-success       { background-color: var(--color-success-bg); }
.bg-warning       { background-color: var(--color-warning-bg); }
.bg-error         { background-color: var(--color-error-bg); }
.bg-info          { background-color: var(--color-info-bg); }
.bg-dark          { background-color: var(--color-footer-bg); color: var(--color-footer-text); }
.bg-overlay       { background-color: var(--color-overlay); color: var(--color-overlay-text); }

/* Border utilities */
.border-muted   { border-color: var(--color-muted); }
.border-success { border-color: var(--color-success-border); }
.border-warning { border-color: var(--color-warning-border); }
.border-error   { border-color: var(--color-error-border); }
.border-info    { border-color: var(--color-info-border); }
.border-primary { border-color: var(--color-primary); }

/* =====================================================
   BADGE / TAG COMPONENT
   ===================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--rounded, 4px);
  border: 1px solid var(--color-badge-border);
  background-color: var(--color-badge-bg);
  color: var(--color-badge-text);
  white-space: nowrap;
}

.badge--success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.badge--warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}

.badge--error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error-border);
}

.badge--info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border-color: var(--color-info-border);
}

.badge--accent {
  background-color: var(--color-accent-50);
  color: var(--color-accent);
  border-color: var(--color-accent-100);
}

/* =====================================================
   ALERT / NOTICE COMPONENT
   ===================================================== */
.alert {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--rounded-sm, 8px);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-foreground);
  font-size: 0.875rem;
  line-height: 1.5;
}

.alert--success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.alert--warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}

.alert--error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error-border);
}

.alert--info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border-color: var(--color-info-border);
}