/* Visibilidade */
.hidden          { display: none !important; }
.visible         { visibility: visible !important; }
.invisible       { visibility: hidden !important; }
.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* Flex */
.flex           { display: flex; }
.flex-col       { flex-direction: column; }
.flex-wrap      { flex-wrap: wrap; }
.flex-1         { flex: 1; }
.flex-2         { flex: 2; }
.flex-3         { flex: 3; }
.flex-grow      { flex-grow: 1; }
.flex-shrink-0  { flex-shrink: 0; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.items-end      { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }

/* Gap */
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Posição */
.pos-relative { position: relative; }
.pos-absolute { position: absolute; }
.pos-fixed    { position: fixed; }

/* Grid */
.col-full { grid-column: 1 / -1; }

/* Texto */
.text-center    { text-align: center; }
.text-left      { text-align: left; }
.text-right     { text-align: right; }
.text-uppercase { text-transform: uppercase; }
.text-capitalize{ text-transform: capitalize; }
.text-sm        { font-size: 0.875rem; }
.text-xs        { font-size: 0.75rem; }
.text-lg        { font-size: 1.125rem; }
.text-secondary { color: var(--text-secondary); }
.text-primary   { color: var(--text-primary); }

/* Tipografia */
.font-bold      { font-weight: 700; }
.font-medium    { font-weight: 500; }
.font-mono      { font-family: 'Orbitron', monospace; }
.font-secondary { font-family: monospace; }
.letter-spacing-1 { letter-spacing: 1px; }
.letter-spacing-2 { letter-spacing: 2px; }

/* Margens */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }

/* Largura */
.w-full    { width: 100%; }
.w-auto    { width: auto; }
.max-w-full{ max-width: 100%; }
.max-w-500 { max-width: 500px; }
.max-w-600 { max-width: 600px; }
.max-w-800 { max-width: 800px; }

/* Borda */
.border-purple { border: 2px solid var(--neon-purple); }

/* Estilos de código de pedido */
.order-code-style {
    text-transform: uppercase;
    font-family: monospace;
    font-weight: bold;
    letter-spacing: 2px;
}

.tracking-code-style {
    text-transform: uppercase;
    font-family: 'Orbitron', monospace;
    letter-spacing: 1px;
    border: 2px solid var(--neon-purple);
}

/* Responsivo */
@media (max-width: 768px)  { .hide-mobile  { display: none !important; } }
@media (min-width: 769px)  { .hide-desktop { display: none !important; } }

/* Acessibilidade */
*:focus-visible,
.focus-visible:focus {
    outline: 2px solid var(--neon-blue, #00D4FF);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--neon-blue, #00D4FF);
    color: #000;
    padding: 8px 16px;
    z-index: var(--z-loading);
    text-decoration: none;
    font-weight: 600;
}
.skip-link:focus { top: 0; }

/* Variáveis globais */
:root {
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;

    --z-behind:   -1;
    --z-base:      0;
    --z-raised:    1;
    --z-dropdown: 100;
    --z-sticky:   200;
    --z-fixed:    300;
    --z-navbar:   400;
    --z-sidebar:  500;
    --z-overlay:  900;
    --z-modal:   1000;
    --z-popover: 1100;
    --z-toast:   1200;
    --z-tooltip: 1300;
    --z-loading: 9999;
}