/**
 * IValert Utility CSS Classes
 * Reusable utility classes to reduce inline styles across templates
 */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Ensure these exist)
   ========================================================================== */

:root {
    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* Border radius scale */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    /* Z-index scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 10000;
}

/* ==========================================================================
   DISPLAY UTILITIES
   ========================================================================== */

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

/* Responsive display */
@media (max-width: 767px) {
    .d-none-mobile { display: none !important; }
    .d-block-mobile { display: block !important; }
    .d-flex-mobile { display: flex !important; }
}

@media (min-width: 768px) {
    .d-none-tablet { display: none !important; }
    .d-block-tablet { display: block !important; }
    .d-flex-tablet { display: flex !important; }
}

@media (min-width: 1024px) {
    .d-none-desktop { display: none !important; }
    .d-block-desktop { display: block !important; }
    .d-flex-desktop { display: flex !important; }
}

/* ==========================================================================
   FLEXBOX UTILITIES
   ========================================================================== */

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

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

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }
.flex-shrink-0 { flex-shrink: 0; }

/* ==========================================================================
   GAP UTILITIES
   ========================================================================== */

.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); }

/* ==========================================================================
   SPACING UTILITIES
   ========================================================================== */

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

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-auto { margin-left: auto !important; }
.mr-0 { margin-right: 0 !important; }
.mr-auto { margin-right: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--space-1) !important; }
.pt-2 { padding-top: var(--space-2) !important; }
.pt-3 { padding-top: var(--space-3) !important; }
.pt-4 { padding-top: var(--space-4) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--space-1) !important; }
.pb-2 { padding-bottom: var(--space-2) !important; }
.pb-3 { padding-bottom: var(--space-3) !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }

.px-2 { padding-left: var(--space-2) !important; padding-right: var(--space-2) !important; }
.px-3 { padding-left: var(--space-3) !important; padding-right: var(--space-3) !important; }
.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }

.py-2 { padding-top: var(--space-2) !important; padding-bottom: var(--space-2) !important; }
.py-3 { padding-top: var(--space-3) !important; padding-bottom: var(--space-3) !important; }
.py-4 { padding-top: var(--space-4) !important; padding-bottom: var(--space-4) !important; }

/* ==========================================================================
   WIDTH & HEIGHT UTILITIES
   ========================================================================== */

.w-full { width: 100%; }
.w-auto { width: auto; }
.w-50 { width: 50%; }
.max-w-full { max-width: 100%; }

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

/* ==========================================================================
   TEXT UTILITIES
   ========================================================================== */

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

.text-xs { font-size: 0.65rem; }
.text-sm { font-size: 0.75rem; }
.text-base { font-size: 0.875rem; }
.text-lg { font-size: 1rem; }
.text-xl { font-size: 1.125rem; }
.text-2xl { font-size: 1.25rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }

.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.75; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.whitespace-nowrap { white-space: nowrap; }
.whitespace-normal { white-space: normal; }
.break-words { word-wrap: break-word; }

/* ==========================================================================
   COLOR UTILITIES
   ========================================================================== */

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-inherit { color: inherit; }

.bg-primary { background-color: var(--primary); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }
.bg-transparent { background-color: transparent; }

/* ==========================================================================
   BORDER UTILITIES
   ========================================================================== */

.border { border: 1px solid var(--border-color); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-l { border-left: 1px solid var(--border-color); }
.border-r { border-right: 1px solid var(--border-color); }

.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ==========================================================================
   OVERFLOW UTILITIES
   ========================================================================== */

.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }

/* ==========================================================================
   POSITION UTILITIES
   ========================================================================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.static { position: static; }

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

/* ==========================================================================
   VISIBILITY & OPACITY
   ========================================================================== */

.visible { visibility: visible; }
.invisible { visibility: hidden; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ==========================================================================
   CURSOR UTILITIES
   ========================================================================== */

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

/* Screen reader only */
.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 screen reader only (reverses sr-only) */
.not-sr-only {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Focus visible for keyboard navigation */
.focus-visible:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.focus-visible:focus:not(:focus-visible) {
    outline: none;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-to-content:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    width: auto;
    height: auto;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    z-index: 10000;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
}

/* ==========================================================================
   INTERACTIVE STATES
   ========================================================================== */

/* Clickable elements */
.clickable {
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.clickable:hover {
    opacity: 0.8;
}

/* Disabled state */
.disabled,
[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Loading state */
.is-loading {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.is-loading::after {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

/* Spinner animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pulse animation for live indicators */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==========================================================================
   TRANSITION UTILITIES
   ========================================================================== */

.transition-none { transition: none; }
.transition-all { transition: all 0.15s ease; }
.transition-colors { transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease; }
.transition-opacity { transition: opacity 0.15s ease; }
.transition-transform { transition: transform 0.15s ease; }

/* ==========================================================================
   GRID UTILITIES
   ========================================================================== */

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

/* Responsive grid */
.grid-responsive {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-responsive {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-responsive {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .grid-responsive {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   TABLE UTILITIES
   ========================================================================== */

/* Responsive table wrapper */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Responsive table (stacks on mobile) */
@media (max-width: 767px) {
    .table-responsive thead {
        display: none;
    }

    .table-responsive tbody,
    .table-responsive tr {
        display: block;
    }

    .table-responsive tr {
        margin-bottom: var(--space-3);
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: var(--space-3);
        border: 1px solid var(--border-color);
    }

    .table-responsive td {
        display: flex;
        justify-content: space-between;
        padding: var(--space-2) 0;
        border: none;
        border-bottom: 1px solid var(--border-light);
    }

    .table-responsive td:last-child {
        border-bottom: none;
    }

    .table-responsive td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        font-size: 0.7rem;
        text-transform: uppercase;
    }
}

/* ==========================================================================
   Z-INDEX UTILITIES
   ========================================================================== */

.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-sticky { z-index: var(--z-sticky); }
.z-fixed { z-index: var(--z-fixed); }
.z-modal { z-index: var(--z-modal); }

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}