:root {
    --vm-primary: #203a5f;
    --vm-primary-dark: #172b47;
    --vm-accent: #2f6fb2;
    --vm-bg: #f4f7fb;
    --vm-border: #dbe3ef;
    --vm-text: #1f2937;
    --vm-muted: #64748b;
    --vm-radius: 18px;
    --vm-shadow: 0 22px 60px rgba(15, 23, 42, .10);
}

* { box-sizing: border-box; }

html,
body {
    min-height: 100%;
}

body {
    min-height: 100vh;
    color: var(--vm-text);
    background: var(--vm-bg);
}

img.brand-logo,
.brand-logo,
.brand-logo-sm,
.auth-logo {
    display: none !important;
}

/* LOGIN CENTRADO */
.auth-page {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(47,111,178,.13), transparent 30%),
        linear-gradient(135deg, #f7f9fc 0%, #eef4fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 4vw, 48px);
}

.auth-shell {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.auth-card {
    width: 100%;
    border: 1px solid rgba(219, 227, 239, .9);
    border-radius: 24px;
    box-shadow: var(--vm-shadow);
    overflow: hidden;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.auth-brand-text {
    min-width: 0;
}

.auth-brand__title {
    margin: 0;
    font-size: clamp(1.8rem, 6vw, 2.45rem);
    line-height: 1;
    letter-spacing: .02em;
    font-weight: 800;
    color: #20242a;
}

.auth-brand__subtitle {
    margin: 7px 0 0;
    color: var(--vm-muted);
    font-size: 1rem;
}

/* LOGO FORMAL */
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--vm-primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.55rem;
    line-height: 1;
    letter-spacing: -.04em;
    box-shadow: 0 10px 24px rgba(32, 58, 95, .18);
}

.brand-mark-lg {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    font-size: 2rem;
}

.brand-mark-sm {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    font-size: 1.2rem;
}

/* FORMULARIOS */
.form-control,
.form-select {
    border-color: #d7e1ee;
    border-radius: 12px;
}

.form-control:focus,
.form-select:focus {
    border-color: #9dc2f4;
    box-shadow: 0 0 0 .25rem rgba(47, 111, 178, .16);
}

.btn-primary {
    --bs-btn-bg: var(--vm-primary);
    --bs-btn-border-color: var(--vm-primary);
    --bs-btn-hover-bg: var(--vm-primary-dark);
    --bs-btn-hover-border-color: var(--vm-primary-dark);
    --bs-btn-active-bg: var(--vm-primary-dark);
    --bs-btn-active-border-color: var(--vm-primary-dark);
    border-radius: 12px;
    font-weight: 700;
}

.btn-outline-primary {
    --bs-btn-color: var(--vm-primary);
    --bs-btn-border-color: var(--vm-primary);
    --bs-btn-hover-bg: var(--vm-primary);
    --bs-btn-hover-border-color: var(--vm-primary);
}

/* NAVBAR */
.navbar-vehicmant {
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--vm-border);
    box-shadow: 0 8px 25px rgba(15, 23, 42, .04);
}

.vehicmant-navbar-brand,
.navbar .vehicmant-navbar-brand,
a.vehicmant-navbar-brand {
    display: inline-flex !important;
    align-items: center !important;
    gap: .7rem !important;
    color: var(--vm-text) !important;
    text-decoration: none !important;
    font-weight: 800 !important;
    letter-spacing: .01em;
    white-space: nowrap;
}

.vehicmant-navbar-brand:hover,
.vehicmant-navbar-brand:focus {
    color: var(--vm-primary) !important;
    text-decoration: none !important;
}

.vehicmant-navbar-brand .brand-name {
    display: inline-block;
    color: inherit !important;
    font-size: 1.05rem;
    line-height: 1;
    text-decoration: none !important;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
    color: var(--vm-primary) !important;
}

.min-vh-panel {
    min-height: calc(100vh - 70px);
}

/* TARJETAS */
.sidebar-card,
.module-card,
.admin-card {
    border-radius: var(--vm-radius);
    box-shadow: 0 14px 38px rgba(15, 23, 42, .06);
}

.module-card {
    transition: transform .18s ease, box-shadow .18s ease;
    border: 1px solid rgba(219, 227, 239, .95);
}

.module-card:not(.disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 45px rgba(15, 23, 42, .10);
}

.module-card.disabled {
    opacity: .72;
    background: #f8fafc;
}

.tablet-preview {
    background: linear-gradient(135deg, var(--vm-primary), #2f6fb2);
    border-radius: 18px;
    color: #fff;
    padding: 18px 20px;
    min-width: min(100%, 320px);
}

.status-dot {
    display: inline-block;
    width: .55rem;
    height: .55rem;
    border-radius: 999px;
    margin-right: .35rem;
}

.text-bg-primary-soft {
    color: var(--vm-primary) !important;
    background: #e8f1fc !important;
}

/* MOBILE */
@media (max-width: 991.98px) {
    .navbar-vehicmant .navbar-collapse {
        padding-top: .9rem;
    }

    .navbar-vehicmant .navbar-nav {
        gap: .15rem;
    }

    .navbar-vehicmant .nav-link {
        padding-left: .25rem;
        padding-right: .25rem;
    }

    .navbar-vehicmant .dropdown-menu {
        border-radius: 14px;
        border-color: var(--vm-border);
        box-shadow: none;
    }
}

@media (max-width: 575.98px) {
    .auth-page {
        align-items: center;
        padding: 18px 12px;
    }

    .auth-shell {
        max-width: 100%;
    }

    .auth-card {
        border-radius: 20px;
        padding: 1.25rem !important;
    }

    .auth-brand {
        gap: 12px;
        align-items: center;
    }

    .brand-mark-lg {
        width: 52px;
        height: 52px;
        border-radius: 15px;
        font-size: 1.7rem;
    }

    .brand-mark-sm {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: 1.05rem;
    }

    .auth-brand__title {
        font-size: 1.8rem;
    }

    .auth-brand__subtitle {
        font-size: .95rem;
    }

    .display-mobile-small {
        font-size: 1.7rem;
    }

    .module-card {
        border-radius: 16px;
    }
}