/* ── Skeleton base ── */
.sk {
    background: #e2e8f0;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    animation: none;
}

[data-theme="dark"] .sk {
    background: #2d3748;
}

/* Shimmer animation */
.sk::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,0.45) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: skShimmer 1.6s ease-in-out infinite;
}

[data-theme="dark"] .sk::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,0.08) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
}

@keyframes skShimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}

/* ── Size helpers ── */
.sk-h8  { height: 8px;  }
.sk-h12 { height: 12px; }
.sk-h16 { height: 16px; }
.sk-h20 { height: 20px; }
.sk-h24 { height: 24px; }
.sk-h32 { height: 32px; }
.sk-h40 { height: 40px; }
.sk-h48 { height: 48px; }
.sk-h64 { height: 64px; }
.sk-h80 { height: 80px; }
.sk-h120 { height: 120px; }
.sk-h160 { height: 160px; }
.sk-h200 { height: 200px; }
.sk-h240 { height: 240px; }

.sk-w100 { width: 100%; }
.sk-w75  { width: 75%;  }
.sk-w60  { width: 60%;  }
.sk-w50  { width: 50%;  }
.sk-w40  { width: 40%;  }
.sk-w30  { width: 30%;  }

.sk-circle { border-radius: 50%; }
.sk-pill   { border-radius: 999px; }
.sk-round  { border-radius: 12px; }

/* ── Skeleton wrappers ── */
.sk-wrap {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sk-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

/* ── Card skeleton ── */
.sk-card {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
[data-theme="dark"] .sk-card { background: #1a202c; }

/* ── Hero skeleton ── */
.sk-hero {
    border-radius: 24px;
    overflow: hidden;
    padding: 52px 40px;
    background: #e2e8f0;
    display: flex;
    gap: 40px;
    align-items: center;
}
[data-theme="dark"] .sk-hero { background: #2d3748; }
.sk-hero::after { display: none; } /* hero itself not shimmer, children are */

/* ── Grid helpers ── */
.sk-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sk-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.sk-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

@media (max-width: 768px) {
    .sk-grid-3, .sk-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .sk-grid-2, .sk-grid-3, .sk-grid-4 { grid-template-columns: 1fr; }
}

/* ── Page-level top progress bar (replaces full overlay) ── */
.hb-nprogress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, #08807e, #0dcbc7);
    z-index: 999999;
    transition: width 0.3s ease, opacity 0.3s ease;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(8,128,126,0.6);
}
.hb-nprogress.is-done {
    width: 100% !important;
    opacity: 0;
}

/* ── Skeleton visible/hidden states ── */
.sk-screen { display: block; }
.sk-screen.is-loaded { display: none !important; }
.sk-content { display: none; }
.sk-content.is-loaded { display: block; }