:root {
    --greta-primary: #1f4aa8;
    --greta-secondary: #0b2e6f;
    --greta-light: #f4f7fb;
    --greta-text: #1f2937;
    --greta-white: #ffffff;
    --greta-border: #d9e2ef;
}

body.greta-body {
    background-color: var(--greta-light);
    color: var(--greta-text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.98rem;
}

.greta-navbar {
    background: linear-gradient(90deg, var(--greta-primary), var(--greta-secondary)) !important;
    min-height: 88px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.greta-brand {
    min-width: 0;
    max-width: 100%;
}

.greta-logo-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    background: #fff;
    border-radius: 8px;
    padding: 6px 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    overflow: hidden;
}

.greta-logo {
    max-height: 72px !important;
    width: auto !important;
    max-width: 320px;
    object-fit: contain;
    display: block;
}

.greta-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    min-width: 0;
}

.greta-brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--greta-white) !important;
}

.greta-brand-subtitle {
    font-size: 0.85rem;
    color: var(--greta-white) !important;
    opacity: .95;
}

.greta-navbar .nav-link,
.greta-navbar .navbar-brand {
    color: var(--greta-white) !important;
}

.greta-navbar .nav-link:hover,
.greta-navbar .nav-link:focus {
    text-decoration: underline;
}

.greta-footer {
    background-color: #e9eef7;
    border-top: 1px solid var(--greta-border);
    color: var(--greta-secondary);
}

.card,
.table,
.alert,
.form-control,
.form-select,
.btn {
    border-radius: .75rem;
}

.card {
    border: 1px solid var(--greta-border);
    box-shadow: 0 0.125rem 0.5rem rgba(0,0,0,0.04);
}

.table td,
.table th {
    vertical-align: middle;
}

.table thead th {
    background-color: #edf3ff;
    color: var(--greta-secondary);
}

.btn-primary {
    background-color: var(--greta-primary);
    border-color: var(--greta-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--greta-secondary);
    border-color: var(--greta-secondary);
}

.btn-outline-primary {
    color: var(--greta-primary);
    border-color: var(--greta-primary);
}

.btn-outline-primary:hover {
    background-color: var(--greta-primary);
    border-color: var(--greta-primary);
}

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

textarea.form-control {
    min-height: 120px;
}