/* SIS Informes — RIS Carabaya | Autores: Dennis S. Quispe M. y Wilber Choque C. */
/* Indicador de carga global: anillo suave (estilo iOS) con color del sistema. */

:root {
    --sis-loader-color: var(--ui-primary, var(--primary, var(--md-primary, #2563eb)));
    --sis-loader-fade: rgba(37, 99, 235, 0.16);
    --sis-loader-track: rgba(37, 99, 235, 0.12);
    --sis-loader-bg: rgba(248, 250, 252, 0.72);
    --sis-loader-panel: rgba(255, 255, 255, 0.92);
    --sis-loader-text: #334155;
    --sis-loader-muted: #64748b;
    --sis-loader-shadow: 0 18px 50px rgba(15, 23, 42, 0.16);
}

html.sis-dark,
body.dark-mode {
    --sis-loader-color: #60a5fa;
    --sis-loader-fade: rgba(96, 165, 250, 0.22);
    --sis-loader-track: rgba(96, 165, 250, 0.16);
    --sis-loader-bg: rgba(11, 15, 25, 0.78);
    --sis-loader-panel: rgba(21, 28, 44, 0.94);
    --sis-loader-text: #e2e8f0;
    --sis-loader-muted: #94a3b8;
    --sis-loader-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.sis-loader {
    position: fixed;
    inset: 0;
    z-index: 200000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--sis-loader-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.sis-loader.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.sis-loader-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    min-width: 140px;
    padding: 22px 26px 18px;
    border-radius: 18px;
    background: var(--sis-loader-panel);
    box-shadow: var(--sis-loader-shadow);
}

.sis-spinner {
    width: 46px;
    height: 46px;
    position: relative;
    flex-shrink: 0;
}

.sis-spinner::before,
.sis-spinner::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.sis-spinner::before {
    display: none;
}

.sis-spinner::after {
    border: 3.2px solid transparent;
    border-top-color: var(--sis-loader-color);
    border-right-color: var(--sis-loader-color);
    animation: sis-spin 0.82s linear infinite;
}

@supports (background: conic-gradient(#000, #fff)) {
    .sis-spinner::before {
        display: block;
        background: var(--sis-loader-track);
        -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3.4px), #000 calc(100% - 3.1px));
        mask: radial-gradient(farthest-side, transparent calc(100% - 3.4px), #000 calc(100% - 3.1px));
    }

    .sis-spinner::after {
        border: none;
        background: conic-gradient(
            from 0deg,
            transparent 0deg,
            var(--sis-loader-fade) 90deg,
            var(--sis-loader-color) 320deg,
            var(--sis-loader-color) 360deg
        );
        -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3.4px), #000 calc(100% - 3.1px));
        mask: radial-gradient(farthest-side, transparent calc(100% - 3.4px), #000 calc(100% - 3.1px));
    }
}

.sis-loader-label {
    margin: 0;
    font: 600 0.9rem/1.35 Inter, system-ui, sans-serif;
    color: var(--sis-loader-text);
    letter-spacing: 0.01em;
    text-align: center;
}

.sis-loader-hint {
    margin: 0;
    max-width: 240px;
    font: 500 0.75rem/1.4 Inter, system-ui, sans-serif;
    color: var(--sis-loader-muted);
    text-align: center;
}

.sis-loader-hint:empty {
    display: none;
}

@keyframes sis-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .sis-spinner::after {
        animation-duration: 1.4s;
    }
    .sis-loader {
        transition: none;
    }
}