:root {
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --radius-pill: 999px;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14);

    --transition-fast: 0.15s ease;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    --nav-height: 64px;
    --content-max-width: 1280px;
    --content-narrow-width: 720px;

    --gradient-accent: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    --gradient-surface: linear-gradient(180deg, var(--card-bg), var(--bg-secondary));
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

p { line-height: 1.6; }

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--space-lg) 0;
}

::selection {
    background-color: var(--accent-light);
    color: var(--accent-primary);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

.page-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.page-container--narrow {
    max-width: var(--content-narrow-width);
}

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

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

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

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.skeleton {
    background: linear-gradient(90deg, var(--skeleton) 25%, var(--bg-tertiary) 50%, var(--skeleton) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.fade-in {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Modal de reconexión Blazor: pulso centrado + "Reconectando" === */
/* (En base.css porque el bundle de CSS isolation no está enlazado en App.razor) */

#components-reconnect-modal {
    position: fixed;
    inset: 0;
    margin: auto;
    width: fit-content;
    height: fit-content;
    padding: 0;
    border: 0;
    outline: none;
    background: transparent;
    box-shadow: none;
    overflow: visible;
}

#components-reconnect-modal:focus,
#components-reconnect-modal:focus-visible {
    outline: none;
}

#components-reconnect-modal[open] {
    animation: reconnect-fade-in 0.3s ease-out;
}

#components-reconnect-modal::backdrop {
    background: rgba(10, 15, 25, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.components-reconnect-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    padding: 2rem;
}

/* --- Pulso --- */
.reconnect-pulse {
    position: relative;
    width: 72px;
    height: 72px;
}

.reconnect-pulse-ring {
    position: absolute;
    inset: 0;
    border: 3px solid #FFFFFF;
    border-radius: 50%;
    opacity: 0;
    animation: reconnect-pulse-ring 1.8s cubic-bezier(0.2, 0.6, 0.4, 1) infinite;
}

.reconnect-pulse-ring:nth-child(2) {
    animation-delay: 0.9s;
}

.reconnect-pulse-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    background: #FFFFFF;
    border-radius: 50%;
    animation: reconnect-pulse-dot 1.8s ease-in-out infinite;
}

@keyframes reconnect-pulse-ring {
    0% {
        transform: scale(0.25);
        opacity: 0.9;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@keyframes reconnect-pulse-dot {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(0.75);
        opacity: 0.75;
    }
}

/* --- Texto "Reconectando..." --- */
.reconnect-status {
    margin: 0;
    color: #FFFFFF;
    font-size: 1.05rem;
    font-weight: 600;
    text-align: center;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.reconnect-status small {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    font-weight: 400;
    opacity: 0.85;
}

.reconnect-dots i {
    font-style: normal;
    animation: reconnect-dot-blink 1.4s infinite;
}

.reconnect-dots i:nth-child(2) {
    animation-delay: 0.2s;
}

.reconnect-dots i:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes reconnect-dot-blink {
    0%, 60%, 100% {
        opacity: 0.25;
    }
    30% {
        opacity: 1;
    }
}

/* --- Cards de error / pausa --- */
.reconnect-card {
    background: var(--card-bg, #FFFFFF);
    border-radius: 16px;
    padding: 1.75rem 2rem;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    min-width: 260px;
}

.reconnect-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: var(--accent-light, #E8F0F7);
    color: var(--accent-primary, #0B4F8A);
    display: flex;
    align-items: center;
    justify-content: center;
}

.reconnect-card-title {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary, #101828);
}

.reconnect-card-text {
    margin: 0 0 1.1rem;
    font-size: 0.85rem;
    color: var(--text-secondary, #475467);
}

.reconnect-btn {
    display: block;
    margin: 0 auto;
    border: 0;
    background: var(--accent-primary, #0B4F8A);
    color: #FFFFFF;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.55rem 1.6rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.reconnect-btn:hover {
    background: var(--accent-hover, #093D6C);
}

@keyframes reconnect-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* === Visibilidad por estado (clases que aplica blazor.web.js) === */
#components-reconnect-modal .components-reconnect-first-attempt-visible,
#components-reconnect-modal .components-reconnect-repeated-attempt-visible,
#components-reconnect-modal .components-reconnect-failed-visible,
#components-reconnect-modal .components-pause-visible,
#components-reconnect-modal .components-resume-failed-visible {
    display: none;
}

#components-reconnect-modal.components-reconnect-show .components-reconnect-first-attempt-visible,
#components-reconnect-modal.components-reconnect-retrying .components-reconnect-repeated-attempt-visible,
#components-reconnect-modal.components-reconnect-failed .components-reconnect-failed-visible,
#components-reconnect-modal.components-reconnect-paused .components-pause-visible,
#components-reconnect-modal.components-reconnect-resume-failed .components-resume-failed-visible {
    display: block;
}