/**
 * SICA Theme Main Stylesheet
 * 
 * Table of Contents:
 * 1. CSS Custom Properties (Design Tokens)
 * 2. Reset & Base Styles
 * 3. Typography
 * 4. Layout & Grid
 * 5. Components
 * 6. Header & Navigation
 * 7. Footer
 * 8. Forms
 * 9. Buttons
 * 10. SICA Score System
 * 11. Provider Components
 * 12. Directory Page
 * 13. Utilities
 * 14. Responsive Design
 */

/* ==========================================================================
   1. CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Colors - Primary Palette */
  --color-primary: #f59e0b;          /* Solar orange */
  --color-primary-dark: #d97706;     /* Darker orange */
  --color-primary-light: #fbbf24;    /* Lighter orange */
  --color-secondary: #0369a1;        /* Solar blue */
  --color-secondary-dark: #0c4a6e;   /* Darker blue */
  --color-secondary-light: #0ea5e9;  /* Lighter blue */

  /* Colors - Neutral Palette */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-black: #000000;

  /* Colors - Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Colors - SICA Score System */
  --color-score-excellent: #10b981;  /* Green 80-100 */
  --color-score-good: #3b82f6;       /* Blue 60-79 */
  --color-score-fair: #f59e0b;       /* Orange 40-59 */
  --color-score-low: #ef4444;        /* Red 0-39 */
  --color-score-na: var(--color-gray-400);

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-serif: Georgia, Cambria, 'Times New Roman', Times, serif;
  --font-family-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Spacing */
  --space-0: 0;
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-5: 1.25rem;    /* 20px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */

  /* Border Radius */
  --radius-sm: 0.125rem;   /* 2px */
  --radius-base: 0.25rem;  /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);

  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-Index Scale */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  font: inherit;
}

html {
  font-size: 16px;
  line-height: var(--line-height-normal);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  min-height: 100vh;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   4. Layout & Grid
   ========================================================================== */

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.main-container,
.header-container,
.footer-container,
.provider-container,
.directory-container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .main-container,
  .header-container,
  .footer-container,
  .provider-container,
  .directory-container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .main-container,
  .header-container,
  .footer-container,
  .provider-container,
  .directory-container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Grid System */
.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================================================
   5. Components
   ========================================================================== */

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.service-badge {
  @extend .badge;
  background: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   6. Header & Navigation
   ========================================================================== */

.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 0;
}

.site-title a {
  color: var(--color-gray-900);
  text-decoration: none;
}

.site-title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.site-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
  margin-top: var(--space-1);
}

/* Navigation */
.main-navigation {
  display: none;
}

@media (min-width: 768px) {
  .main-navigation {
    display: block;
  }
  
  .menu-toggle {
    display: none;
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-8);
}

.nav-menu li {
  margin-bottom: 0;
}

.nav-menu a {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Mobile menu toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  cursor: pointer;
}

.menu-bars {
  display: flex;
  flex-direction: column;
  width: 20px;
  gap: 3px;
}

.menu-bars span {
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-base);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.search-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-base);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-toggle-btn:hover {
  background: var(--color-gray-50);
  color: var(--color-gray-900);
}

/* Search Form Container */
.search-form-container {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  visibility: hidden;
  opacity: 0;
  transition: all var(--transition-base);
}

.search-form-container[aria-hidden="false"] {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
}

.search-form-wrapper {
  display: flex;
  align-items: center;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: var(--space-6);
}

/* ==========================================================================
   7. Footer
   ========================================================================== */

.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  margin-top: auto;
}

.footer-widgets {
  display: grid;
  gap: var(--space-8);
  padding: var(--space-16) 0;
}

@media (min-width: 768px) {
  .footer-widgets {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-widgets {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-column h3,
.footer-column h4,
.footer-column h5 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-column a {
  color: var(--color-gray-300);
}

.footer-column a:hover {
  color: var(--color-white);
}

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

.footer-menu li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding: var(--space-6) 0;
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-legal ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-6);
}

.footer-legal li {
  margin-bottom: 0;
}

/* ==========================================================================
   8. Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-6);
}

label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

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

/* ==========================================================================
   9. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-none);
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
}

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

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

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

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

.btn-outline {
  background: var(--color-white);
  border-color: var(--color-gray-300);
  color: var(--color-gray-700);
}

.btn-outline:hover {
  background: var(--color-gray-50);
  color: var(--color-gray-900);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ==========================================================================
   10. SICA Score System
   ========================================================================== */

.sica-score-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-bold);
  background: var(--color-white);
  border: 2px solid;
  min-width: 80px;
}

.sica-score-normal {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
}

.sica-score-large {
  padding: var(--space-6);
  font-size: var(--font-size-lg);
  min-width: 120px;
}

.score-value {
  font-size: 1.5em;
  line-height: var(--line-height-none);
}

.score-label {
  font-size: 0.7em;
  font-weight: var(--font-weight-medium);
  opacity: 0.8;
  margin-top: var(--space-1);
}

/* Score Colors */
.sica-score-excellent {
  border-color: var(--color-score-excellent);
  color: var(--color-score-excellent);
}

.sica-score-good {
  border-color: var(--color-score-good);
  color: var(--color-score-good);
}

.sica-score-fair {
  border-color: var(--color-score-fair);
  color: var(--color-score-fair);
}

.sica-score-low {
  border-color: var(--color-score-low);
  color: var(--color-score-low);
}

.sica-score-na {
  border-color: var(--color-score-na);
  color: var(--color-score-na);
}

/* ==========================================================================
   11. Provider Components
   ========================================================================== */

.provider-card {
  @extend .card;
  text-decoration: none;
}

.provider-card:hover {
  transform: translateY(-2px);
}

.provider-card .provider-image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.provider-card .provider-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.provider-card:hover .provider-image img {
  transform: scale(1.05);
}

.provider-info {
  padding: var(--space-6);
}

.provider-info h3 {
  margin-bottom: var(--space-3);
  color: var(--color-gray-900);
}

.providers-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.providers-grid.list-view {
  grid-template-columns: 1fr;
}

.providers-grid.list-view .provider-card {
  display: flex;
  align-items: center;
}

.providers-grid.list-view .provider-image {
  width: 120px;
  flex-shrink: 0;
}

/* ==========================================================================
   12. Directory Page
   ========================================================================== */

.directory-header {
  text-align: center;
  padding: var(--space-16) 0 var(--space-8);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.directory-filters {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.filters-form {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    align-items: end;
  }
}

.filter-group label {
  margin-bottom: var(--space-2);
}

.filter-actions {
  display: flex;
  gap: var(--space-3);
}

.directory-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.view-controls {
  display: flex;
  gap: var(--space-2);
}

.view-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-base);
  cursor: pointer;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.view-toggle:hover,
.view-toggle.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Loading States */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-left: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   13. Utilities
   ========================================================================== */

/* Screen Reader Only */
.screen-reader-text {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-6);
  z-index: 100000;
  padding: var(--space-2) var(--space-4);
  background: var(--color-gray-900);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius-base);
}

.skip-link:focus {
  top: var(--space-6);
}

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Margin & Padding Utilities */
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.ml-4 { margin-left: var(--space-4); }
.mr-4 { margin-right: var(--space-4); }

.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }
.pl-4 { padding-left: var(--space-4); }
.pr-4 { padding-right: var(--space-4); }

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

/* ==========================================================================
   14. Responsive Design
   ========================================================================== */

@media (max-width: 767px) {
  .header-container {
    flex-wrap: wrap;
  }
  
  .main-navigation {
    width: 100%;
    order: 3;
    margin-top: var(--space-4);
  }
  
  .nav-menu {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .providers-grid {
    grid-template-columns: 1fr;
  }
  
  .directory-controls {
    flex-direction: column;
    gap: var(--space-4);
    align-items: stretch;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .btn,
  .directory-filters,
  .directory-controls {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .providers-grid {
    display: block;
  }
  
  .provider-card {
    page-break-inside: avoid;
    margin-bottom: var(--space-6);
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
}