/**
 * SEO CMS - CSS Utilities
 * Classes utilitárias inspiradas em Tailwind
 * Version: 4.0
 * 
 * Uso: <div class="flex items-center gap-4 p-4">
 */

/* ============================================
   DISPLAY
   ============================================ */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* ============================================
   FLEXBOX
   ============================================ */
/* Direction */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col-reverse { flex-direction: column-reverse; }

/* Wrap */
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

/* Justify Content */
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align Items */
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

/* Align Self */
.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-center { align-self: center; }
.self-end { align-self: flex-end; }
.self-stretch { align-self: stretch; }

/* Flex Grow/Shrink */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.grow { flex-grow: 1; }
.grow-0 { flex-grow: 0; }
.shrink { flex-shrink: 1; }
.shrink-0 { flex-shrink: 0; }

/* ============================================
   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)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-full { grid-column: 1 / -1; }

/* ============================================
   GAP
   ============================================ */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

.gap-x-2 { column-gap: var(--space-2); }
.gap-x-4 { column-gap: var(--space-4); }
.gap-x-6 { column-gap: var(--space-6); }
.gap-y-2 { row-gap: var(--space-2); }
.gap-y-4 { row-gap: var(--space-4); }
.gap-y-6 { row-gap: var(--space-6); }

/* ============================================
   SPACING (Padding)
   ============================================ */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.pt-0 { padding-top: 0; }
.pt-2 { padding-top: var(--space-2); }
.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }

.pb-0 { padding-bottom: 0; }
.pb-2 { padding-bottom: var(--space-2); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

.pl-0 { padding-left: 0; }
.pl-2 { padding-left: var(--space-2); }
.pl-4 { padding-left: var(--space-4); }
.pl-6 { padding-left: var(--space-6); }

.pr-0 { padding-right: 0; }
.pr-2 { padding-right: var(--space-2); }
.pr-4 { padding-right: var(--space-4); }
.pr-6 { padding-right: var(--space-6); }

/* ============================================
   SPACING (Margin)
   ============================================ */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-auto { margin: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
.mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-auto { margin-top: auto; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-0 { margin-left: 0; }
.ml-2 { margin-left: var(--space-2); }
.ml-4 { margin-left: var(--space-4); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-2 { margin-right: var(--space-2); }
.mr-4 { margin-right: var(--space-4); }
.mr-auto { margin-right: auto; }

/* Negative margins */
.-mt-1 { margin-top: calc(var(--space-1) * -1); }
.-mt-2 { margin-top: calc(var(--space-2) * -1); }
.-ml-2 { margin-left: calc(var(--space-2) * -1); }

/* ============================================
   WIDTH & HEIGHT
   ============================================ */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }
.w-fit { width: fit-content; }
.w-max { width: max-content; }
.w-min { width: min-content; }

.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.max-w-none { max-width: none; }
.max-w-full { max-width: 100%; }
.max-w-screen { max-width: 100vw; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }
.h-fit { height: fit-content; }

.min-h-0 { min-height: 0; }
.min-h-full { min-height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
/* Font Size */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md { font-size: var(--text-md); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

/* Font Weight */
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }

/* Font Family */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

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

/* Line Height */
.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* Letter Spacing */
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

/* Text Decoration */
.underline { text-decoration: underline; }
.no-underline { text-decoration: none; }
.line-through { text-decoration: line-through; }

/* Text Overflow */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.break-words { word-wrap: break-word; }
.break-all { word-break: break-all; }

/* ============================================
   COLORS
   ============================================ */
/* Text Colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-disabled { color: var(--color-text-disabled); }
.text-accent { color: var(--color-accent-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

/* Background Colors */
.bg-deep { background-color: var(--color-bg-deep); }
.bg-surface { background-color: var(--color-bg-surface); }
.bg-elevated { background-color: var(--color-bg-elevated); }
.bg-hover { background-color: var(--color-bg-hover); }
.bg-accent { background-color: var(--color-accent-primary); }
.bg-accent-subtle { background-color: var(--color-accent-subtle); }
.bg-success { background-color: var(--color-success); }
.bg-success-subtle { background-color: var(--color-success-subtle); }
.bg-warning { background-color: var(--color-warning); }
.bg-warning-subtle { background-color: var(--color-warning-subtle); }
.bg-error { background-color: var(--color-error); }
.bg-error-subtle { background-color: var(--color-error-subtle); }
.bg-info { background-color: var(--color-info); }
.bg-info-subtle { background-color: var(--color-info-subtle); }
.bg-transparent { background-color: transparent; }

/* ============================================
   BORDERS
   ============================================ */
.border { border: 1px solid var(--color-border-default); }
.border-0 { border: 0; }
.border-2 { border-width: 2px; }
.border-t { border-top: 1px solid var(--color-border-default); }
.border-b { border-bottom: 1px solid var(--color-border-default); }
.border-l { border-left: 1px solid var(--color-border-default); }
.border-r { border-right: 1px solid var(--color-border-default); }

.border-subtle { border-color: var(--color-border-subtle); }
.border-default { border-color: var(--color-border-default); }
.border-strong { border-color: var(--color-border-strong); }
.border-accent { border-color: var(--color-accent-primary); }

/* Border Radius */
.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ============================================
   SHADOWS
   ============================================ */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-glow { box-shadow: var(--shadow-glow-md); }

/* ============================================
   POSITIONING
   ============================================ */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.static { position: static; }

.inset-0 { inset: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* ============================================
   OVERFLOW
   ============================================ */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* ============================================
   VISIBILITY & OPACITY
   ============================================ */
.visible { visibility: visible; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ============================================
   CURSOR
   ============================================ */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-wait { cursor: wait; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

/* ============================================
   POINTER EVENTS
   ============================================ */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ============================================
   USER SELECT
   ============================================ */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* ============================================
   TRANSITIONS
   ============================================ */
.transition-none { transition: none; }
.transition-all { transition: all var(--duration-normal) var(--ease-out); }
.transition-colors { transition: color, background-color, border-color var(--duration-normal) var(--ease-out); }
.transition-opacity { transition: opacity var(--duration-normal) var(--ease-out); }
.transition-transform { transition: transform var(--duration-normal) var(--ease-out); }

.duration-fast { transition-duration: var(--duration-fast); }
.duration-normal { transition-duration: var(--duration-normal); }
.duration-slow { transition-duration: var(--duration-slow); }

.ease-out { transition-timing-function: var(--ease-out); }
.ease-in-out { transition-timing-function: var(--ease-in-out); }
.ease-expo { transition-timing-function: var(--ease-out-expo); }
.ease-spring { transition-timing-function: var(--ease-spring); }

/* ============================================
   TRANSFORM
   ============================================ */
.transform { transform: translateX(0); } /* Enable transforms */
.translate-x-0 { transform: translateX(0); }
.translate-y-0 { transform: translateY(0); }
.-translate-x-full { transform: translateX(-100%); }
.translate-x-full { transform: translateX(100%); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.-translate-y-2 { transform: translateY(-0.5rem); }
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

/* ============================================
   Z-INDEX
   ============================================ */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-dropdown { z-index: var(--z-dropdown); }
.z-modal { z-index: var(--z-modal); }
.z-tooltip { z-index: var(--z-tooltip); }
.z-toast { z-index: var(--z-toast); }

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

.not-sr-only {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Focus ring */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-bg-elevated), 0 0 0 4px var(--color-accent-primary);
}

.focus-ring-inset:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--color-accent-primary);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:flex { display: flex; }
    .sm\:flex-col { flex-direction: column; }
    .sm\:text-center { text-align: center; }
    .sm\:p-4 { padding: var(--space-4); }
}

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:flex-row { flex-direction: row; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}