/* Modern CSS Reset - Andy Bell */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

#root,
#__next {
  isolation: isolate;
}

/* ============================================
   CSS Variables - Design System
   ============================================ */
:root {
  /* Primary - Coastal Blue */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-primary-dark: #1e40af;
  
  /* Secondary - Warm Sand */
  --color-secondary: #d4a574;
  --color-secondary-hover: #c49a6c;
  
  /* Neutral Scale */
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-text-inverse: #ffffff;
  
  /* Backgrounds */
  --color-background: #ffffff;
  --color-surface: #f9fafb;
  --color-surface-hover: #f3f4f6;
  --color-surface-dark: #e5e7eb;
  
  /* Borders */
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  
  /* Legacy compatibility - Map to new colors */
  --paper: var(--color-background);
  --ink: var(--color-text);
  --accent: var(--color-primary);
  --muted: var(--color-text-muted);
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  
  /* Layout */
  --max-width: 1280px;
  --header-height: 64px;
  --border-radius-sm: 0.25rem;
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
body {
  background-color: var(--color-background);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a:hover {
  color: var(--color-primary-hover);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  line-height: 1.6;
}

/* Legacy font utility - maps to new system */
.font-serif {
  font-family: inherit;
  font-weight: 600;
}

/* ============================================
   Layout Components
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-md);
  }
}

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--12 { grid-template-columns: repeat(12, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--12 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
}

.nav__link {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: var(--space-sm) 0;
  position: relative;
  text-decoration: none;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link--active {
  color: var(--color-primary);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

/* ============================================
   Buttons (BEM)
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  background-color: transparent;
  color: var(--color-text);
}

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

.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Variants */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background-color: var(--color-background);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

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

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.btn--danger {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
  border-color: var(--color-error);
}

.btn--danger:hover {
  background-color: #dc2626;
  border-color: #dc2626;
  color: var(--color-text-inverse);
}

.btn--success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  border-color: var(--color-success);
}

.btn--success:hover {
  background-color: #059669;
  border-color: #059669;
  color: var(--color-text-inverse);
}

/* Button Sizes */
.btn--sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
}

/* Legacy button classes mapped to new */
.btn-journal {
  composes: btn;
  composes: btn--secondary;
}

/* ============================================
   Cards (BEM)
   ============================================ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

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

.card__header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
}

.card__content {
  padding: var(--space-lg);
}

.card__footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

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

/* Legacy card mapped to new */
.card-body {
  padding: var(--space-lg);
}

/* ============================================
   Forms (BEM)
   ============================================ */
.form {
  width: 100%;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input--error,
.form__select--error,
.form__textarea--error {
  border-color: var(--color-error);
}

.form__input--error:focus,
.form__select--error:focus,
.form__textarea--error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.form__error {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form__hint {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.form__actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* Legacy form classes mapped to new */
.form-group {
  composes: form__group;
}

.form-control {
  composes: form__input;
}

/* ============================================
   Tables
   ============================================ */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background-color: var(--color-surface);
}

.table tbody tr:hover {
  background-color: var(--color-surface-hover);
}

.table--striped tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

/* ============================================
   Alerts & Messages
   ============================================ */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
  border-left: 4px solid;
}

.alert--info {
  background-color: var(--color-info-light);
  border-left-color: var(--color-info);
  color: var(--color-primary-dark);
}

.alert--success {
  background-color: var(--color-success-light);
  border-left-color: var(--color-success);
  color: #065f46;
}

.alert--warning {
  background-color: var(--color-warning-light);
  border-left-color: var(--color-warning);
  color: #92400e;
}

.alert--error {
  background-color: var(--color-error-light);
  border-left-color: var(--color-error);
  color: #991b1b;
}

/* Legacy alert classes */
.alert-error {
  composes: alert--error;
}

.alert-success {
  composes: alert--success;
}

/* Messages container */
.messages {
  margin-bottom: var(--space-lg);
}

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--border-radius-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

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

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

.badge--rejected {
  background-color: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.badge--unpaid {
  background-color: var(--color-error-light);
  color: #991b1b;
}

.badge--paid {
  background-color: var(--color-success-light);
  color: #065f46;
}

/* Legacy badge classes */
.badge-pending {
  composes: badge--pending;
}

.badge-confirmed {
  composes: badge--confirmed;
}

.badge-rejected {
  composes: badge--rejected;
}

/* ============================================
   Dashboard Layout
   ============================================ */
.dashboard {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-2xl);
  min-height: calc(100vh - var(--header-height) - 200px);
}

@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--border-radius);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.sidebar__link:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.sidebar__link--active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-left-color: var(--color-primary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.footer__brand {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-text);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   HTMX Loading States
   ============================================ */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline;
}

.htmx-request.htmx-indicator {
  display: inline;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Legacy Compatibility
   ============================================ */
/* These classes maintain compatibility during migration */
.paper-grain::before {
  display: none;
}

.ink-double {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.hero-border {
  border: 1px solid var(--color-border);
  padding: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-xl);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--color-text-muted);
}

.filter-options {
  display: flex;
  gap: var(--space-xs);
}

.filter-btn {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-background);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface);
}

.filter-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ============================================
   Page Sections
   ============================================ */
.section {
  padding: var(--space-2xl) 0;
}

.section--hero {
  background-color: var(--color-surface);
  padding: var(--space-3xl) 0;
}

.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* ============================================
   Cards Grid for Property Listings
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  margin-bottom: var(--space-md);
}

/* ============================================
   Modal
   ============================================ */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal--open {
  display: flex;
}

.modal__content {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal__header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal__body {
  padding: var(--space-lg);
}

.modal__footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

.modal__close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
}

.modal__close:hover {
  color: var(--color-text);
}