:root {
    --bg: #f5f6fa;
    --bg-card: #fff;
    --primary: #2979ff;
    --primary-dark: #244572;
    --secondary: #ffb300;
    --success: #00bfae;
    --danger: #ff5252;
    --gray: #e9ecef;
    --gray-dark: #505050;
    --text: #232323;
    --text-muted: #6a7682;
}

/* LANDING PAGE */
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}

.header {
    background: var(--primary);
    color: #fff;
    padding: 42px 0 30px 0;
    text-align: center;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    box-shadow: 0 6px 32px rgba(41,121,255,0.07);
}

.header h1 {
    font-size: 2.4rem;
    margin: 0 0 12px 0;
    letter-spacing: 1px;
}

.header p {
    font-size: 1.22rem;
    margin-bottom: 0;
    opacity: 0.95;
    font-weight: 400;
}

.cta-buttons {
    margin: 36px 0;
    text-align: center;
}

.cta-buttons a {
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    padding: 15px 38px;
    border-radius: 30px;
    font-size: 1.14rem;
    font-weight: 600;
    margin: 0 12px;
    box-shadow: 0 2px 14px rgba(41,121,255,0.06);
    transition: background 0.18s, color 0.18s;
    display: inline-block;
    border: none;
}
.cta-buttons a.login {
    background: var(--bg-card);
    color: var(--primary-dark);
    border: 2px solid var(--primary);
}
.cta-buttons a:hover {
    background: var(--secondary);
    color: var(--text);
    border-color: var(--secondary);
}

.features {
    max-width: 950px;
    margin: 50px auto 0 auto;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 36px 32px 32px 32px;
    box-shadow: 0 4px 24px rgba(41,121,255,0.08);
}
.features h2 {
    color: var(--primary-dark);
    font-size: 1.58rem;
    margin-bottom: 18px;
    text-align: center;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
}
.feature-item {
    background: var(--gray);
    padding: 22px 18px;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(80,80,80,0.06);
    border-left: 6px solid var(--primary);
}
.feature-item:nth-child(2n) {
    border-left: 6px solid var(--success);
}
.feature-item:nth-child(3n) {
    border-left: 6px solid var(--secondary);
}
.feature-item h3 {
    color: var(--primary-dark);
    font-size: 1.12rem;
    margin-bottom: 8px;
    font-weight: 600;
}
.feature-item p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1rem;
    font-weight: 400;
}

footer {
    margin-top: 60px;
    padding: 32px 0 18px 0;
    background: var(--primary-dark);
    text-align: center;
    font-size: 1rem;
    color: #e9ecef;
    letter-spacing: 0.02em;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
}

/* PAINEL, CARDS, CRUDS */
.card {
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(41,121,255,0.08);
    margin-bottom: 20px;
    background: var(--bg-card);
    color: var(--text);
    border: none;
}
.card-header {
    border-radius: 14px 14px 0 0 !important;
    background: var(--primary-dark);
    color: #fff;
    padding: 18px 22px;
    font-weight: 600;
    font-size: 1.13rem;
}

.bg-primary {
    background-color: var(--primary) !important;
}
.bg-success {
    background-color: var(--success) !important;
}
.bg-warning {
    background-color: var(--secondary) !important;
    color: #232323;
}
.bg-info {
    background-color: #f0f4f8 !important;
    color: var(--primary-dark);
}

.badge.bg-success {
    background: var(--success) !important;
}
.badge.bg-warning {
    background: var(--secondary) !important;
    color: #232323 !important;
}
.badge.bg-primary {
    background: var(--primary) !important;
}
.sidebar {
    position: sticky;
    top: 20px;
    background: var(--bg-card);
    border-radius: 14px;
    padding: 18px 12px;
    box-shadow: 0 2px 10px rgba(41,121,255,0.04);
}
.list-group-item.active,
.list-group-item.active:focus {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.list-group-item {
    background: var(--bg-card);
    color: var(--primary-dark);
    border: 1px solid var(--gray);
    font-weight: 500;
    transition: background 0.2s;
}
.list-group-item:hover {
    background: var(--gray);
    color: var(--primary);
}

.navbar-brand {
    font-weight: bold;
    color: var(--primary) !important;
    font-size: 1.37rem;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--primary) !important;
    border: none;
}
.btn-success {
    background: var(--success) !important;
    border: none;
}
.btn-warning {
    background: var(--secondary) !important;
    border: none;
    color: #232323 !important;
}
.btn-info {
    background: #e3f2fd !important;
    color: var(--primary-dark) !important;
    border: none;
}
.btn-danger {
    background: var(--danger) !important;
    border: none;
}

/* Responsivo */
@media (max-width: 780px) {
    .features-list {
        grid-template-columns: 1fr;
        gap: 18px 0;
    }
    .features {
        padding: 18px 5vw 22px 5vw;
    }
    .header h1 {
        font-size: 1.5rem;
    }
}