/*-- -------------------------- -->
<---  LifeOS Utility Classes   -->
<--- -------------------------- -*/

/* Reusable helper classes: grids, flex, spacing
 * Source: mockup lines 331, 400 (grid systems)
 */

/* ========== Grid Systems ========== */

/* Metrics Grid: 1 → 2 → 4 columns (mobile → tablet → desktop) */
.lifeos-metrics-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 1rem;
}

@media (min-width: 640px) {
    .lifeos-metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lifeos-metrics-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Dashboard Grid: 1 → 2 columns (mobile → desktop) */
.lifeos-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .lifeos-dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ========== Flexbox Utilities ========== */

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

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

.flex-col {
    display: flex;
    flex-direction: column;
}

/* Gap utilities */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ========== Spacing Utilities ========== */

/* Vertical spacing (space-y) */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* Horizontal spacing (space-x) */
.space-x-1 > * + * { margin-left: 0.25rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }

/* ========== Width Utilities ========== */

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

/* Max-width container */
.max-w-screen-xl {
    max-width: 1600px;
    margin-inline: auto;
}

/* ========== Display Utilities ========== */

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.inline-flex { display: inline-flex; }

/* ========== Text Utilities ========== */

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

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

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

/* ========== Border Utilities ========== */

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: calc(var(--radius) + 4px); }
.rounded-full { border-radius: 9999px; }

/* ========== Overflow Utilities ========== */

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

/* ========== Position Utilities ========== */

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

/* ========== Transition Utilities ========== */

.transition-colors {
    transition-property: color, background-color, border-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 200ms;
}

.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 200ms;
}