/* ================================================================
   MACHADO — Base Styles
   Reset · Typography · Grid · Utilities
   Replaces Bootstrap 4 CSS with token-driven equivalents.
   ================================================================ */

/* --- Reset --- */

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

html { -webkit-text-size-adjust: 100%; tab-size: 4; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); text-decoration: underline; }

img, svg { max-width: 100%; height: auto; vertical-align: middle; }
hr { border: 0; border-top: 1px solid var(--color-border); margin: 1rem 0; }

/* --- Typography --- */

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p { margin-top: 0; margin-bottom: 1rem; }

small, .small { font-size: 0.85em; }

strong, .font-weight-bold { font-weight: 600; }
.font-weight-normal { font-weight: 400; }

code, pre, .text-monospace {
  font-family: var(--font-mono);
}

code {
  padding: 0.15em 0.4em;
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius-sm);
  font-size: 0.88em;
}

pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  padding: 0;
  background: none;
  font-size: inherit;
}

em, i { font-style: italic; }

ul, ol { padding-left: 2rem; margin-top: 0; margin-bottom: 1rem; }

/* --- Grid / Layout --- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.container-fluid {
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -15px;
  margin-right: -15px;
}

.col, .col-sm, .col-md,
[class*="col-sm-"], [class*="col-md-"], [class*="col-"] {
  position: relative;
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
}

.col { flex: 1 0 0%; }

.col-1 { flex: 0 0 8.333%; max-width: 8.333%; }
.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-5 { flex: 0 0 41.666%; max-width: 41.666%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333%; max-width: 58.333%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333%; max-width: 83.333%; }
.col-11 { flex: 0 0 91.666%; max-width: 91.666%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (min-width: 576px) {
  .col-sm { flex: 1 0 0%; }
  .col-sm-1 { flex: 0 0 8.333%; max-width: 8.333%; }
  .col-sm-2 { flex: 0 0 16.666%; max-width: 16.666%; }
  .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
  .col-sm-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-sm-5 { flex: 0 0 41.666%; max-width: 41.666%; }
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
  .col-sm-7 { flex: 0 0 58.333%; max-width: 58.333%; }
  .col-sm-8 { flex: 0 0 66.666%; max-width: 66.666%; }
  .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
  .col-sm-10 { flex: 0 0 83.333%; max-width: 83.333%; }
  .col-sm-11 { flex: 0 0 91.666%; max-width: 91.666%; }
  .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 768px) {
  .col-md { flex: 1 0 0%; }
  .col-md-1 { flex: 0 0 8.333%; max-width: 8.333%; }
  .col-md-2 { flex: 0 0 16.666%; max-width: 16.666%; }
  .col-md-3 { flex: 0 0 25%; max-width: 25%; }
  .col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-md-5 { flex: 0 0 41.666%; max-width: 41.666%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-7 { flex: 0 0 58.333%; max-width: 58.333%; }
  .col-md-8 { flex: 0 0 66.666%; max-width: 66.666%; }
  .col-md-9 { flex: 0 0 75%; max-width: 75%; }
  .col-md-10 { flex: 0 0 83.333%; max-width: 83.333%; }
  .col-md-11 { flex: 0 0 91.666%; max-width: 91.666%; }
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 992px) {
  .col-lg { flex: 1 0 0%; }
  .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
  .col-lg-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
  .col-lg-8 { flex: 0 0 66.666%; max-width: 66.666%; }
  .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
  .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* --- Flex Utilities --- */

.d-flex { display: flex !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-grow-1 { flex-grow: 1 !important; }

.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-left { justify-content: flex-start !important; }

/* --- Spacing Utilities --- */
/* m = margin, p = padding | t=top r=right b=bottom l=left x=lr y=tb */

.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }

.mr-1 { margin-right: 0.25rem !important; }
.mr-2 { margin-right: 0.5rem !important; }
.mr-3 { margin-right: 1rem !important; }

.ml-1 { margin-left: 0.25rem !important; }
.ml-2 { margin-left: 0.5rem !important; }
.ml-auto { margin-left: auto !important; }

.mx-1 { margin-left: 0.25rem !important; margin-right: 0.25rem !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }

.p-0 { padding: 0 !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.pt-2 { padding-top: 0.5rem !important; }
.pt-4 { padding-top: 1.5rem !important; }

.pb-2 { padding-bottom: 0.5rem !important; }

.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }

/* --- Text Utilities --- */

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.text-muted { color: var(--color-text-muted) !important; }
.text-primary { color: var(--color-accent) !important; }
.text-secondary { color: var(--color-text-muted) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }
.text-dark { color: var(--color-text) !important; }
.text-light { color: var(--color-text-muted) !important; }
.text-white { color: #fff !important; }

.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }

/* --- Background Utilities --- */

.bg-primary { background-color: var(--color-accent) !important; }
.bg-secondary { background-color: var(--color-surface-alt) !important; }
.bg-light { background-color: var(--color-surface-alt) !important; }
.bg-dark { background-color: var(--color-text) !important; }
.bg-transparent { background-color: transparent !important; }
.bg-success { background-color: var(--color-success-bg) !important; }
.bg-danger { background-color: var(--color-danger-bg) !important; }
.bg-warning { background-color: var(--color-warning-bg) !important; }
.bg-info { background-color: var(--color-info-bg) !important; }

/* --- Border Utilities --- */

.border { border: 1px solid var(--color-border) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--color-border) !important; }
.border-bottom { border-bottom: 1px solid var(--color-border) !important; }
.border-left { border-left: 1px solid var(--color-border) !important; }
.border-right { border-right: 1px solid var(--color-border) !important; }

.rounded { border-radius: var(--radius-md) !important; }
.rounded-0 { border-radius: 0 !important; }

/* --- Shadow --- */

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* --- Position --- */

.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-sticky { position: sticky !important; }
.position-fixed { position: fixed !important; }
.fixed-bottom { position: fixed !important; bottom: 0; left: 0; right: 0; }

/* --- Sizing --- */

.w-100 { width: 100% !important; }
.w-50 { width: 50% !important; }
.h-100 { height: 100% !important; }

/* --- Overflow --- */

.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }

/* --- Visibility / SR --- */

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