netwatch/app/assets/css/app.css

/* Zentrales Stylesheet (Layout, Farben, Komponenten) */

:root {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    color: #1f1f1f;
    background-color: #f4f5f7;
}

body {
    margin: 0;
    background-color: #f4f5f7;
}

.app-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    background: linear-gradient(90deg, #0a3d62, #1d6fa5);
    color: white;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 4px 20px rgba(15, 26, 45, 0.25);
}

.app-header__brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.app-header__eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.65);
}

.app-header__title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.main-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 12px;
}

.main-nav__item {
    border-radius: 999px;
}

.main-nav__link {
    display: block;
    padding: 10px 16px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 500;
}

.main-nav__item.active .main-nav__link,
.main-nav__link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

main {
    padding: 24px 32px 48px;
    min-height: calc(100vh - 200px);
}

.flash-stack {
    display: grid;
    gap: 10px;
    margin: 0 auto 18px;
    max-width: 1200px;
}

.flash-message {
    border-radius: 8px;
    border: 1px solid transparent;
    padding: 12px 14px;
    background: #f8fafc;
}

.flash-message--success {
    border-color: #99dfba;
    background: #ebf9f1;
    color: #165938;
}

.flash-message--error {
    border-color: #efb4b4;
    background: #fff1f1;
    color: #8a1f1f;
}

.flash-message__text {
    margin: 0;
    font-weight: 600;
}

.flash-message__list {
    margin: 8px 0 0 18px;
    padding: 0;
}

/* Shared components -------------------------------------------------- */
.filter-form {
    margin: 20px 0;
}

.filter-form form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-form input,
.filter-form select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
}

.search-input {
    flex: 1;
    min-width: 250px;
}

.connections-container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #e0e6ef;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(15, 26, 45, 0.08);
}

.connections-list {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.connections-list th {
    background: #f5f5f5;
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid #ddd;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.connections-list td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    font-size: 0.95rem;
}

.connections-list tr:hover {
    background: #fafafa;
}

.status-cell {
    width: 140px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge-warning {
    background: #fff4e5;
    color: #bb4c26;
    border: 1px solid #f9c8a3;
}

.status-badge-ok {
    background: #e6f4ea;
    color: #1b7333;
    border: 1px solid #a6d4b8;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
}

.connections-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    align-items: start;
}

.connections-sidebar {
    position: sticky;
    top: 92px;
    display: grid;
    gap: 12px;
}

.sidebar-card {
    background: #fff;
    border: 1px solid #e0e6ef;
    border-radius: 12px;
    padding: 14px;
    box-shadow: 0 8px 24px rgba(15, 26, 45, 0.08);
}

.sidebar-card h3,
.sidebar-card h4 {
    margin: 0 0 10px;
}

.sidebar-card p {
    margin: 0 0 8px;
}

.sidebar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.connection-row-selected {
    background: #edf5ff;
}

@media (max-width: 900px) {
    .connections-list th,
    .connections-list td {
        font-size: 0.85rem;
    }
}

@media (max-width: 1100px) {
    .connections-layout {
        grid-template-columns: 1fr;
    }

    .connections-sidebar {
        position: static;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav__list {
        flex-wrap: wrap;
    }
}

footer>p {
    margin-bottom: 0;
}