:root {
    --nis-primary: #1a5276;
    --nis-primary-dark: #123a52;
    --nis-accent: #e67e22;
    --nis-bg: #f4f6f8;
}

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

.navbar-nis {
    background-color: var(--nis-primary);
}

.navbar-nis .navbar-brand,
.navbar-nis .nav-link {
    color: #fff !important;
}

.sidebar {
    background-color: #fff;
    border-right: 1px solid #e3e6ea;
    min-height: calc(100vh - 56px);
    padding-top: .5rem;
}

.sidebar .nav-link {
    color: #33475b;
    border-radius: .375rem;
    margin: 0 .5rem .1rem .5rem;
    padding: .55rem .75rem;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    background-color: #eaf1f7;
    color: var(--nis-primary);
}

.sidebar .nav-section-title {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #8a97a5;
    padding: .75rem 1rem .25rem;
}

.main-content {
    padding: 1.25rem;
}

.cta-prepare-meeting {
    background: linear-gradient(135deg, var(--nis-accent), #d35400);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-radius: .75rem;
    box-shadow: 0 4px 14px rgba(230, 126, 34, .35);
}

.cta-prepare-meeting:hover {
    color: #fff;
    filter: brightness(1.05);
}

.dashboard-card {
    border: none;
    border-radius: .75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
    height: 100%;
}

.dashboard-card .metric {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--nis-primary);
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--nis-primary), var(--nis-primary-dark));
}

.auth-card {
    max-width: 420px;
    width: 100%;
    border: none;
    border-radius: 1rem;
}

.badge-segment-b2b_private_school { background-color: #2980b9; }
.badge-segment-b2g { background-color: #8e44ad; }
.badge-segment-b2b_industrial { background-color: #16a085; }
.badge-segment-b2c { background-color: #7f8c8d; }

.chat-window {
    height: 55vh;
    overflow-y: auto;
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: .5rem;
    padding: 1rem;
}

.chat-bubble {
    max-width: 80%;
    padding: .6rem .9rem;
    border-radius: .9rem;
    margin-bottom: .6rem;
}

.chat-bubble.user {
    margin-left: auto;
    background: var(--nis-primary);
    color: #fff;
}

.chat-bubble.ai_client {
    margin-right: auto;
    background: #eef1f4;
}

.chat-bubble.system_feedback {
    max-width: 95%;
    margin: .3rem auto;
    background: #fff7e6;
    border: 1px dashed #e6b800;
    font-size: .9rem;
}

@media (max-width: 767.98px) {
    .main-content { padding: .75rem; }
}

@media print {
    .no-print, .navbar-nis, .sidebar, .offcanvas { display: none !important; }
    .main-content { padding: 0 !important; }
    .col-lg-10 { width: 100% !important; max-width: 100% !important; flex: 0 0 100% !important; }
    body { background: #fff !important; }
}