:root {
    --orange: #f5811f;
    --bg: #f4f5f7;
    --card-bg: #ffffff;
    --text: #1c1c1e;
    --muted: #8a8a8e;
    --green: #34c759;
    --blue: #1e90ff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
    background: #fff;
    padding: 16px 20px 0 20px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.tabs {
    display: flex;
    gap: 24px;
    border-bottom: 1px solid #e5e5ea;
}

.tabs a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
    padding-bottom: 10px;
    font-size: 16px;
}

.tabs a.active {
    color: var(--orange);
    border-bottom: 3px solid var(--orange);
}

.content {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px;
}

/* --- Übersicht / Flow --- */
.status-row { margin-bottom: 8px; }
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 600;
}
.badge-ok { background: #e3f8ea; color: var(--green); }
.badge-unknown { background: #f0f0f2; color: var(--muted); }
.badge-stale { background: #fdecea; color: #d93025; }

.flow {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px 12px;
    text-align: center;
}

.flow-node {
    display: inline-block;
}
.flow-node.hidden { visibility: hidden; }

.flow-node .icon { font-size: 30px; }
.flow-node .value { font-size: 18px; font-weight: 700; margin-top: 2px; }
.flow-node .label { font-size: 12px; color: var(--muted); }

.flow-node.pv { margin-bottom: 24px; }

.flow-mid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.soc-bar {
    width: 50px;
    height: 8px;
    background: #eee;
    border-radius: 4px;
    margin: 4px auto 2px auto;
    overflow: hidden;
}
.soc-fill {
    height: 100%;
    background: var(--blue);
    width: 0%;
}

.cards {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}
.card {
    flex: 1;
    background: var(--card-bg);
    border-radius: 14px;
    padding: 14px;
}
.card-title { font-weight: 700; margin-bottom: 8px; }
.card-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--muted);
    padding: 2px 0;
}

.freshness {
    text-align: center;
    font-size: 12px;
    color: var(--muted);
    margin-top: 12px;
}

/* --- Dashboard --- */
.range-tabs {
    display: flex;
    background: #eceef1;
    border-radius: 20px;
    padding: 4px;
    margin-top: 8px;
}
.range-tab {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px 0;
    border-radius: 16px;
    font-weight: 600;
    color: var(--muted);
    font-size: 14px;
}
.range-tab.active {
    background: #fff;
    color: var(--orange);
}

.period-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 8px;
}
.period-nav button {
    border: none;
    background: none;
    font-size: 22px;
    color: var(--text);
    padding: 4px 12px;
}
#period-label { font-size: 20px; font-weight: 700; }

.stat-list {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
}
.stat-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-bottom: 1px solid #f0f0f2;
}
.stat-row:last-child { border-bottom: none; }
.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.stat-title { font-size: 15px; font-weight: 600; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-value .unit { font-size: 14px; font-weight: 500; color: var(--muted); margin-left: 4px; }

.section-title {
    font-size: 20px;
    font-weight: 700;
    margin: 24px 4px 8px 4px;
}
.two-col {
    display: flex;
    justify-content: space-between;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 16px;
}
.mini-label { color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.mini-value { font-size: 22px; font-weight: 700; }
.mini-value .unit { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 3px; }

.hint {
    text-align: center;
    color: var(--muted);
    font-size: 12px;
    margin-top: 16px;
}