:root {
    /* ===== PALETA sifeh===== */
    --primary: #005a9c;
    --secondary: #2a9d8f;
    --accent: #e9c46a;
    --dark: #264653;
    --light: #f8f9fa;
    --text: #495057;
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #28a745;

    /* ===== VARIÁVEIS SIFEH (mapeadas para a paleta) ===== */
    --sifeh-primary: var(--primary);
    --sifeh-dark: var(--dark);
    --sifeh-sidebar-w: 264px;
    --sifeh-topbar-h: 64px;
    --sifeh-danger: var(--danger);
    --sifeh-warning: var(--warning);
    --sifeh-success: var(--success);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--light);
    color: var(--text);
    font-family: "Lato", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: 700;
}

a {
    text-decoration: none;
}

/* ---------- Topbar (estilo) ---------- */
.sifeh-topbar {
    height: var(--sifeh-topbar-h);
    background: linear-gradient(90deg, #264653 0%, #1b4a75 55%, var(--primary) 100%) !important;
    color: #fff;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(38, 70, 83, 0.06);
    padding: 14px 28px;
    position: sticky;
    top: 0;
    z-index: 1030;
}

/* ---------- Layout shell ---------- */
.sifeh-shell {
    display: flex;
    min-height: calc(100vh - var(--sifeh-topbar-h));
}

/* ---------- Sidebar (gradiente) ---------- */
.sifeh-sidebar {
    width: var(--sifeh-sidebar-w);
    background: linear-gradient(180deg, var(--dark) 0%, #1c3540 100%);
    color: #fff;
    padding-top: 1rem;
    flex-shrink: 0;
    overflow-y: auto;
    transition: 0.3s;
}

.sifeh-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 18px;
    margin: 2px 10px;
    border-radius: 10px;
    border-left: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: 0.2s;
}

.sifeh-sidebar .nav-link i {
    font-size: 1rem;
    width: 18px;
    text-align: center;
    color: var(--secondary);
}

.sifeh-sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
    transform: translateX(2px);
}

.sifeh-sidebar .nav-link.active {
    background: rgba(42, 157, 143, 0.22);
    color: #fff;
    border-left: none;
    box-shadow: inset 3px 0 0 var(--secondary);
    font-weight: 700;
}

.sifeh-content {
    flex-grow: 1;
    padding: 28px;
    min-width: 0;
}

/* ---------- Cards (estilo) ---------- */
.sifeh-card {
    background: #fff;
    border: none;
    border-left: 4px solid var(--secondary);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(38, 70, 83, 0.06);
    transition: 0.25s;
    height: 100%;
}

.sifeh-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(38, 70, 83, 0.12);
}

/* ---------- Login (redesenhado) ---------- */
.sifeh-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #16303c, var(--dark), var(--primary)) !important;
    position: relative;
    overflow: hidden;
    padding: 1rem;
}

.sifeh-login-body::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 46px 46px;
}

.sifeh-login-body::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(42, 157, 143, 0.25), transparent 70%);
    top: -160px;
    right: -120px;
}

.sifeh-login-card {
    position: relative;
    z-index: 3;
    background: rgba(244, 249, 248, 0.92);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 90, 156, 0.1);
    border-radius: 22px;
    padding: 38px 40px 32px;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
    max-height: 92vh;
    overflow-y: auto;
}

.sifeh-login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    border-radius: 22px 22px 0 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

/* ---------- Responsivo ---------- */
@media (max-width: 991.98px) {
    .sifeh-sidebar {
        position: fixed;
        top: var(--sifeh-topbar-h);
        left: 0;
        height: calc(100vh - var(--sifeh-topbar-h));
        z-index: 1020;
        transition: transform 0.3s ease-in-out;
        transform: translateX(-100%);
        box-shadow: 2px 0 12px rgba(0, 0, 0, .15);
    }

    .sifeh-sidebar.show {
        transform: translateX(0);
    }

    .sifeh-content {
        margin-left: 0;
        padding: 16px;
    }
}