/* mivtc — tema visual. Estilo moderno, claro, con tarjetas y "cristal" (glassmorphism).
   Paleta del logotipo: naranja vibrante + negro carbón sobre fondo claro. */

:root {
    --brand:        #F47A1F;   /* naranja del logo */
    --brand-600:    #e2680d;
    --brand-700:    #c75a08;
    --brand-soft:   rgba(244, 122, 31, .12);
    --ink:          #1b1d21;   /* negro carbón del logo */
    --ink-soft:     #5b616b;
    --bg:           #f4f6fb;
    --glass-bg:     rgba(255, 255, 255, .65);
    --glass-brd:    rgba(255, 255, 255, .75);
    --shadow:       0 10px 30px rgba(27, 29, 33, .08);
    --shadow-lg:    0 20px 50px rgba(27, 29, 33, .14);
    --radius:       18px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
    background-image:
        radial-gradient(1100px 600px at 10% -10%, rgba(244,122,31,.10), transparent 60%),
        radial-gradient(900px 500px at 110% 10%, rgba(27,29,33,.06), transparent 55%);
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, .brandfont {
    font-family: 'Poppins', 'Inter', system-ui, sans-serif;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--ink);
}

a { color: var(--brand-600); text-decoration: none; }
a:hover { color: var(--brand-700); }

/* ---------------------------------------------------------------- navbar */
.mv-nav {
    background: var(--glass-bg);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--glass-brd);
    box-shadow: 0 4px 24px rgba(27,29,33,.05);
    position: sticky; top: 0; z-index: 1030;
}
.mv-nav .navbar-brand img { height: 46px; width: auto; display: block; }
.mv-nav .nav-link { color: var(--ink); font-weight: 500; border-radius: 10px; padding: .4rem .8rem; }
.mv-nav .nav-link:hover { color: var(--brand-700); background: var(--brand-soft); }
.mv-nav .nav-link.active { color: var(--brand-700); background: var(--brand-soft); font-weight: 600; }

/* ---------------------------------------------------------------- glass card */
.card, .mv-glass {
    background: var(--glass-bg);
    backdrop-filter: saturate(160%) blur(12px);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    border: 1px solid var(--glass-brd) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow);
}
.card { transition: transform .18s ease, box-shadow .18s ease; }
.mv-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ---------------------------------------------------------------- buttons */
.btn { border-radius: 12px; font-weight: 600; padding: .6rem 1.15rem; }
.btn-primary {
    background: linear-gradient(180deg, var(--brand), var(--brand-600));
    border-color: var(--brand-600);
    box-shadow: 0 8px 18px rgba(244,122,31,.28);
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(180deg, var(--brand-600), var(--brand-700));
    border-color: var(--brand-700);
}
.btn-outline-secondary { border-color: rgba(27,29,33,.18); color: var(--ink); }
.btn-outline-secondary:hover { background: var(--ink); border-color: var(--ink); }
.btn-outline-brand { color: var(--brand-700); border: 1.5px solid var(--brand); background: transparent; }
.btn-outline-brand:hover { background: var(--brand); color: #fff; }
.btn-lg { padding: .8rem 1.5rem; font-size: 1.05rem; }

/* ---------------------------------------------------------------- forms */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid rgba(27,29,33,.14);
    padding: .6rem .85rem;
    background: rgba(255,255,255,.85);
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 .2rem var(--brand-soft);
}
.form-label { font-weight: 600; font-size: .92rem; }

/* ---------------------------------------------------------------- bits */
.text-brand { color: var(--brand-700) !important; }
.bg-brand-soft { background: var(--brand-soft); }
.badge.bg-brand { background: var(--brand); }
.chip {
    display: inline-flex; align-items: center; gap: .4rem;
    background: var(--brand-soft); color: var(--brand-700);
    padding: .35rem .75rem; border-radius: 999px; font-weight: 600; font-size: .85rem;
}
.icon-circle {
    width: 52px; height: 52px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--brand-soft); color: var(--brand-700); font-size: 1.5rem;
}

/* ---------------------------------------------------------------- hero */
.mv-hero { padding: 3.5rem 0 1.5rem; }
.mv-hero .display-3 { font-weight: 800; line-height: 1.05; }
.mv-hero .lead { color: var(--ink-soft); font-size: 1.15rem; }
.mv-hero-logo { max-width: 230px; width: 60%; filter: drop-shadow(0 12px 28px rgba(27,29,33,.12)); }

/* ---------------------------------------------------------------- footer */
.mv-footer {
    margin-top: 3rem;
    background: var(--ink);
    color: rgba(255,255,255,.82);
}
.mv-footer a { color: rgba(255,255,255,.92); }
.mv-footer a:hover { color: var(--brand); }
.mv-footer .tagline { color: var(--brand); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
.mv-footer-logo { height: 54px; background: #fff; padding: 6px 10px; border-radius: 12px; }

/* tablas y panel admin un poco más suaves */
.table { --bs-table-bg: transparent; }
.admin-shell { min-height: 100vh; }