/**
 * Envelark Base CSS
 * Typography, buttons, inputs, chips, and utility architecture.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400;1,600&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background-color: var(--brand-background);
  color: var(--brand-text);
  line-height: 1.55;
  min-height: 100vh;
}

/* Editorial Serif Headings */
h1, h2, h3, h4, h5, h6, .editorial-heading {
  font-family: var(--font-heading);
  color: var(--brand-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.9rem; }

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--brand-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.925rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: #FFFFFF !important;
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  border-color: var(--brand-primary-hover);
  color: #FFFFFF !important;
}

.btn-accent {
  background-color: var(--brand-accent);
  color: #FFFFFF !important;
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover {
  background-color: var(--brand-accent-hover);
  color: #FFFFFF !important;
}

.btn-secondary {
  background-color: var(--brand-surface);
  color: var(--brand-primary) !important;
  border-color: var(--brand-border);
}
.btn-secondary:hover {
  background-color: var(--brand-surface-subtle);
  border-color: var(--brand-secondary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--brand-text);
}
.btn-ghost:hover {
  background-color: rgba(31, 61, 46, 0.06);
  color: var(--brand-primary);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.825rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

/* Form Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.form-control, .input-text {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.925rem;
  color: var(--brand-text);
  background-color: var(--brand-surface);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .input-text:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(31, 61, 46, 0.12);
}

/* Semantic Chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.chip-invoice { background-color: var(--chip-invoice-bg); color: var(--chip-invoice-text); }
.chip-needsreply { background-color: var(--chip-needsreply-bg); color: var(--chip-needsreply-text); }
.chip-proposal { background-color: var(--chip-proposal-bg); color: var(--chip-proposal-text); }
.chip-file { background-color: var(--chip-file-bg); color: var(--chip-file-text); }
.chip-meeting { background-color: var(--chip-meeting-bg); color: var(--chip-meeting-text); }
.chip-waiting { background-color: var(--chip-waiting-bg); color: var(--chip-waiting-text); }
.chip-campaign { background-color: var(--chip-campaign-bg); color: var(--chip-campaign-text); }
.chip-important { background-color: var(--chip-important-bg); color: var(--chip-important-text); }

/* Containers & Layout Helpers */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.card {
  background-color: var(--brand-surface);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.text-muted { color: var(--brand-muted); }
.text-terracotta { color: var(--brand-accent); }
.text-forest { color: var(--brand-primary); }

/* SVG Icons helper */
.icon {
  display: inline-block;
  width: 1.1em;
  height: 1.1em;
  stroke-width: 1.75;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}