:root {
    --sidebar-bg: #0f1923;
    --sidebar-hover: rgba(255,255,255,.08);
    --sidebar-active: #185FA5;
    --sat-blue: #185FA5;
    --sat-dark: #0f1923;
}

body { background: #f8fafc; font-size: 14px; }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
    width: 220px;
    min-height: 100vh;
    background: var(--sidebar-bg);
    flex-shrink: 0;
}
.sidebar-brand { border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .nav-link {
    color: rgba(255,255,255,.65);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13.5px;
    transition: background .15s, color .15s;
}
.sidebar .nav-link:hover { background: var(--sidebar-hover); color: #fff; }
.sidebar .nav-link.active { background: var(--sidebar-active); color: #fff; }

/* ── Topbar ───────────────────────────────────────────────────────────── */
.topbar {
    height: 52px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
}

/* ── Stat cards ───────────────────────────────────────────────────────── */
.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* ── Avatar ───────────────────────────────────────────────────────────── */
.avatar-circle {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px; flex-shrink: 0;
}

/* ── Login ────────────────────────────────────────────────────────────── */
.login-bg {
    background: #f0f4f8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-wrapper {
    flex: 1;
    display: flex;
    min-height: 100vh;
}

/* Panel izquierdo */
.login-panel-left {
    flex: 1;
    background: linear-gradient(135deg, #0f1923 0%, #185FA5 60%, #0d4d8a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.login-panel-left::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
}

.login-panel-left::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,.03);
}

.login-panel-content { position: relative; z-index: 1; max-width: 380px; }

.login-feature-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,.12);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
    flex-shrink: 0;
}

/* Panel derecho */
.login-panel-right {
    width: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    background: #fff;
}

.login-card { width: 100%; max-width: 360px; }

/* Footer login */
.login-footer {
    text-align: center;
    padding: 12px;
    font-size: 11px;
    color: #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-top: 1px solid #e5e7eb;
}