:root {
    --brand-primary: #1e3a8a;
    --brand-primary-dark: #14265c;
    --brand-accent: #38bdf8;
}

body {
    min-height: 100vh;
}

/* ---------- Topbar ---------- */
.app-navbar {
    background: linear-gradient(100deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.15);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.app-navbar .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff !important;
    font-size: 1.15rem;
}

.app-navbar .navbar-brand img {
    border-radius: 6px;
    background: #fff;
    padding: 2px;
}

.app-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.35);
}

.app-navbar .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.4);
}

.app-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,0.85)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.app-navbar .nav-link {
    color: rgba(255, 255, 255, 0.82) !important;
    font-weight: 500;
    padding: 0.5rem 0.9rem !important;
    border-radius: 6px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.app-navbar .nav-link.active {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.16);
}

.app-navbar .dropdown-toggle::after {
    vertical-align: 0.15em;
}

.app-navbar .dropdown-menu {
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
    padding: 0.4rem;
    margin-top: 0.5rem;
}

.app-navbar .dropdown-item {
    border-radius: 6px;
    padding: 0.5rem 0.85rem;
    font-weight: 500;
}

.app-navbar .dropdown-item:hover,
.app-navbar .dropdown-item:focus {
    background-color: #eef2ff;
    color: var(--brand-primary);
}

.card-stat {
    border-left: 4px solid var(--bs-primary);
}

.table-actions a {
    margin-right: 0.5rem;
}