/* Blend UI — Uiverse accents (vanilla CSS, ~10% of UI) */

.uiverse-bg {
    background-color: hsl(var(--background));
    background-image: radial-gradient(hsl(var(--border)) 1px, transparent 1px);
    background-size: 20px 20px;
}

.uiverse-bg-glow {
    position: relative;
    isolation: isolate;
}

.uiverse-bg-glow::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 60% 40% at 10% 0%, hsl(var(--primary-hsl) / 0.07), transparent 55%),
        radial-gradient(ellipse 50% 35% at 90% 100%, hsl(0 72% 50% / 0.05), transparent 50%);
}

.uiverse-glass {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: hsl(var(--card) / 0.78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid hsl(var(--border) / 0.65);
    box-shadow:
        0 4px 24px -4px hsl(var(--foreground) / 0.06),
        inset 0 1px 0 hsl(0 0% 100% / 0.55);
}

.uiverse-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, hsl(0 0% 100% / 0.18), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s var(--ease-smooth);
    pointer-events: none;
}

.uiverse-glass:hover::after {
    left: 120%;
}

.uiverse-card {
    position: relative;
    border: 1px solid hsl(var(--border));
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.uiverse-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        135deg,
        hsl(var(--primary-hsl) / 0.45),
        hsl(var(--primary-hsl) / 0.08) 40%,
        hsl(var(--primary-hsl) / 0.28)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.uiverse-card:hover {
    box-shadow: 0 8px 30px -8px hsl(var(--primary-hsl) / 0.2);
    transform: translateY(-2px);
}

.uiverse-card:hover::before {
    opacity: 1;
}

.uiverse-btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    border: none;
    font-family: inherit;
    background: linear-gradient(135deg, hsl(var(--primary-hsl)), hsl(0 72% 42%));
    color: hsl(var(--primary-foreground));
    box-shadow: 0 4px 14px -2px hsl(var(--primary-hsl) / 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.uiverse-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px -2px hsl(var(--primary-hsl) / 0.5);
}

.uiverse-btn:active {
    transform: translateY(0) scale(0.98);
}

.uiverse-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px hsl(var(--ring) / 0.35);
}

.uiverse-btn-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        hsl(0 0% 100% / 0.28) 50%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: transform 0.55s ease;
    pointer-events: none;
}

.uiverse-btn:hover .uiverse-btn-shine {
    transform: translateX(100%);
}

.uiverse-btn-outline {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 2px solid hsl(var(--primary-hsl));
    color: hsl(var(--primary-hsl));
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.uiverse-btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: hsl(var(--primary-hsl));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: 0;
}

.uiverse-btn-outline:hover::before {
    transform: scaleX(1);
}

.uiverse-btn-outline:hover {
    color: hsl(var(--primary-foreground));
    box-shadow: 0 4px 16px -4px hsl(var(--primary-hsl) / 0.35);
}

.uiverse-btn-outline > * {
    position: relative;
    z-index: 1;
}

.uiverse-input {
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.uiverse-input:focus {
    border-color: hsl(var(--primary-hsl) / 0.6) !important;
    background: hsl(var(--background)) !important;
    box-shadow:
        0 0 0 3px hsl(var(--primary-hsl) / 0.12),
        0 0 20px -4px hsl(var(--primary-hsl) / 0.2) !important;
    outline: none;
}

.nav-link-uiverse {
    position: relative;
}

.nav-link-uiverse::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 12px;
    right: 12px;
    height: 2px;
    background: linear-gradient(90deg, hsl(var(--primary-hsl)), hsl(0 91% 71%));
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-link-uiverse:hover::after,
.nav-link-uiverse.active::after {
    transform: scaleX(1);
}

.uiverse-stat-value {
    background: linear-gradient(135deg, hsl(var(--foreground)), hsl(var(--primary-hsl)));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (prefers-reduced-motion: reduce) {
    .uiverse-glass::after,
    .uiverse-btn-shine {
        transition: none !important;
    }
    .uiverse-glass:hover::after {
        left: -100%;
    }
    .uiverse-card:hover,
    .uiverse-btn:hover {
        transform: none;
    }
}