:root {
    --bg: #F0F4F8;
    --surface: #FFFFFF;
    --card: #FAFCFE;
    --border: #D8E4EE;
    --primary: #00AFFF;
    --primary-hover: #00C4FF;
    --primary-dark: #0099E6;
    --primary-glow: rgba(0, 175, 255, 0.12);
    --secondary: #002C48;
    --gold: #D49500;
    --gold-glow: rgba(212, 149, 0, 0.12);
    --danger: #D94040;
    --text: #002C48;
    --muted: #6080A0;
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-weight: 400;
}

h1, h2, h3, h4, h5, h6,
.display-1, .display-2, .display-3, .display-4 {
    font-family: 'Sora', system-ui, sans-serif;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.01em;
}

main > .container {
    padding: 90px 15px 32px;
}

a { color: var(--primary); }
a:hover { color: var(--primary-hover); }

.navbar.bg-nivelar {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(26, 44, 61, 0.04);
}
.navbar.bg-nivelar .navbar-brand {
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    color: var(--primary) !important;
    font-size: 20px;
    letter-spacing: -0.02em;
    padding-top: 4px;
    padding-bottom: 4px;
}
.navbar.bg-nivelar .navbar-brand img {
    display: block;
    height: 28px;
    width: auto;
}
.navbar.bg-nivelar .nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: 14px;
}
.navbar.bg-nivelar .nav-link:hover { color: var(--primary) !important; }
.navbar.bg-nivelar .nav-item .logout {
    color: var(--text) !important;
    text-decoration: none;
}
.navbar.bg-nivelar .nav-item .logout:hover { color: var(--primary) !important; }

.btn-nivelar {
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn-nivelar:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
}
.btn-nivelar.outline {
    background: transparent;
    color: var(--primary);
}
.btn-nivelar.outline:hover {
    background: var(--primary-glow);
    color: var(--primary);
}

footer#footer {
    background: var(--surface) !important;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
}

.not-set {
    color: var(--danger);
    font-style: italic;
}

a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}
a.asc:after { border-bottom: solid 7px var(--text); border-top-width: 0; }
a.desc:after { border-top: solid 7px var(--text); border-bottom-width: 0; }

.grid-view th { white-space: nowrap; }

.hint-block {
    display: block;
    margin-top: 5px;
    color: var(--muted);
}

.error-summary {
    color: var(--danger);
    background: rgba(217, 64, 64, 0.06);
    border-left: 3px solid var(--danger);
    padding: 10px 20px;
    margin: 0 0 15px 0;
    border-radius: 4px;
}

.form-group { margin-bottom: 1rem; }

.nav-item .logout {
    background: transparent;
    border: none;
    padding: 8px 12px;
}