:root {
    --bg: #f3f5f1; --card: #fff; --text: #1d2a1f; --muted: #6b766d; --line: #dfe5dc;
    --green: #2f8a3c; --green-bg: #e3f3e5; --red: #c0392b; --red-bg: #fbe7e4;
    --amber: #b7791f; --amber-bg: #fdf2dd; --blue: #2b6cb0; --blue-bg: #e4eefa;
    --grey-bg: #eceee9;
    --shadow: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #131714; --card: #1d231e; --text: #e6ece6; --muted: #98a39a; --line: #2e372f;
        --green: #5cc46b; --green-bg: #1e3522; --red: #ef7b6e; --red-bg: #3a201d;
        --amber: #e9b44c; --amber-bg: #3a2f17; --blue: #76a9e8; --blue-bg: #1b2a3d;
        --grey-bg: #262d27; --shadow: none;
    }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
.wrap { max-width: 1150px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 16px; padding-bottom: 32px; }
h1 { font-size: 1.35rem; margin: 0 0 14px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
h3 { font-size: .95rem; margin: 0 0 8px; }
a { color: var(--blue); }
.muted { color: var(--muted); font-size: .85rem; }

/* Navigation */
.topnav { background: var(--card); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 16px; min-height: 52px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.nav-links a { padding: 7px 11px; border-radius: 8px; color: var(--muted); text-decoration: none; font-size: .92rem; }
.nav-links a.act { background: var(--grey-bg); color: var(--text); font-weight: 600; }
.nav-links a:hover { color: var(--text); }
.nav-out { margin-left: auto; }

/* Kacheln */
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: var(--shadow); }
.tile .lbl { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.tile .val { font-size: 1.6rem; font-weight: 650; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .sub { font-size: .82rem; color: var(--muted); margin-top: 2px; }
.tile.on  { background: var(--green-bg); border-color: transparent; }
.tile.on .val { color: var(--green); }
.tile.err { background: var(--red-bg); border-color: transparent; }
.tile.err .val { color: var(--red); font-size: 1.1rem; }
.bar { height: 6px; border-radius: 3px; background: var(--line); margin-top: 8px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--green); }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 6px 0 10px; flex-wrap: wrap; }
.section-title h2 { margin: 0; }

/* Gerätekarten */
.devices { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); margin-bottom: 16px; }
.dev { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px; }
.dev.on  { border-color: var(--green); }
.dev.err { border-color: var(--red); }
.dev-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 10px; }
.dev-name { font-weight: 650; line-height: 1.3; }
.dev-meta { font-size: .78rem; color: var(--muted); margin-top: 3px; }
.dev-body { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dev-state { display: flex; align-items: center; gap: 8px; font-size: 1.3rem; font-weight: 700; min-width: 72px; }
.dev-state .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); opacity: .5; flex: none; }
.dev.on  .dev-state { color: var(--green); }
.dev.on  .dev-state .dot { background: var(--green); opacity: 1; box-shadow: 0 0 0 4px var(--green-bg); }
.dev.err .dev-state { color: var(--red); font-size: 1.05rem; }
.dev.err .dev-state .dot { background: var(--red); opacity: 1; }
.dev-stats { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; }
.dev-stats dt { font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.dev-stats dd { margin: 0; font-size: .88rem; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.dev-notes { display: flex; flex-direction: column; gap: 3px; font-size: .8rem; color: var(--muted); margin-top: -2px; }
.dev-notes .err { color: var(--red); }
.dev-zp { display: flex; flex-direction: column; gap: 5px; padding: 8px 10px; border-radius: 9px; background: var(--grey-bg); font-size: .8rem; }
.dev-zp-head { display: flex; justify-content: space-between; align-items: baseline; gap: 4px 10px; flex-wrap: wrap; font-weight: 600; }
.zp-st { font-weight: 500; color: var(--muted); }
.zp-st.on { color: var(--green); font-weight: 600; }
.dev-zp-row { display: flex; align-items: baseline; gap: 8px; }
.zp-tg { flex: none; min-width: 52px; color: var(--muted); }
.zp-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { display: inline-block; padding: 1px 7px; border-radius: 6px; background: var(--card); font-variant-numeric: tabular-nums; white-space: nowrap; }
.dev-ctrl { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px; padding: 3px; background: var(--grey-bg); border-radius: 9px; }
.seg button { border: 0; border-radius: 7px; padding: 7px 4px; background: transparent; color: var(--muted); font-weight: 600; font-size: .85rem; cursor: pointer; }
.seg button:hover { background: var(--card); color: var(--text); }
.seg button:disabled { opacity: .5; cursor: wait; }
.seg button.act { color: #fff; }
.seg button.act[data-do=auto]     { background: var(--blue); }
.seg button.act[data-do=ein]      { background: var(--green); }
.seg button.act[data-do=aus]      { background: var(--red); }
.seg button.act[data-do=gesperrt] { background: var(--text); color: var(--card); }
.dev-dauer { display: flex; align-items: center; gap: 6px; margin: 0; font-size: .78rem; }
.dev-dauer select { padding: 3px 6px; font-size: .8rem; border-radius: 6px; }
.dev .msg { margin-top: -4px; font-size: .82rem; }
.dev .msg:empty { display: none; }

/* Karten, Formulare */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }
.cols { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
button, select, input, textarea { font: inherit; }
.btn { display: inline-block; border: 0; border-radius: 8px; padding: 9px 16px; font-weight: 600; cursor: pointer; text-decoration: none; background: var(--grey-bg); color: var(--text); }
.btn:disabled { opacity: .5; cursor: wait; }
.btn.primary { background: var(--green); color: #fff; }
.btn.on { background: var(--green); color: #fff; }
.btn.off { background: var(--red); color: #fff; }
.btn.auto { background: var(--blue); color: #fff; }
.btn.danger { background: var(--red-bg); color: var(--red); }
.btn.block { width: 100%; }
.btn.small { padding: 5px 10px; font-size: .85rem; }
select, input[type=text], input[type=number], input[type=password], input[type=url], input[type=time] {
    padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); max-width: 100%;
}
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: .92rem; margin: 6px 0 14px; }
.form-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); margin-bottom: 16px; }
.form-grid input, .form-grid select { width: 100%; }
.hint { font-size: .78rem; color: var(--muted); margin-top: 3px; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: .76rem; font-weight: 600; background: var(--grey-bg); color: var(--muted); white-space: nowrap; }
.badge.auto { background: var(--blue-bg); color: var(--blue); }
.badge.manuell { background: var(--amber-bg); color: var(--amber); }
.badge.gesperrt, .badge.fehler, .badge.aus { background: var(--red-bg); color: var(--red); }
.badge.ein, .badge.ok, .badge.zeitplan { background: var(--green-bg); color: var(--green); }

/* Formulare mit Abschnitten */
.back { display: inline-block; font-size: .85rem; color: var(--muted); text-decoration: none; margin-bottom: 4px; }
.back:hover { color: var(--text); }
.form-card { padding: 4px 20px 20px; }
.form-card > .flash { margin-top: 16px; }
.form-section { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 10px 32px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.form-section > header h2 { font-size: .98rem; margin: 0 0 4px; }
.form-section > header p { margin: 0; font-size: .8rem; color: var(--muted); }
.form-section code { font-size: .78rem; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; align-content: start; }
.fields .full { grid-column: 1 / -1; }
.fields input:not([type=checkbox]), .fields select { width: 100%; }
.input-unit { display: flex; }
.input-unit input { border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; min-width: 0; }
.input-unit span { display: flex; align-items: center; padding: 0 10px; border: 1px solid var(--line); border-left: 0; border-radius: 0 8px 8px 0; background: var(--grey-bg); color: var(--muted); font-size: .82rem; white-space: nowrap; }
.switch-field { display: flex; flex-direction: column; justify-content: flex-end; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 18px; }
.form-actions .danger { margin-left: auto; }
.default-submit { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.test-result { padding: 10px 12px; border-radius: 10px; font-size: .85rem; }
.test-result.ok  { background: var(--green-bg); color: var(--green); }
.test-result.err { background: var(--red-bg); color: var(--red); }
.test-result dl { display: flex; flex-wrap: wrap; gap: 4px 20px; margin: 6px 0 0; color: var(--text); }
.test-result dt { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.test-result dd { margin: 0; font-weight: 600; }
@media (max-width: 760px) {
    .form-card { padding: 4px 16px 16px; }
    .form-section { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .fields { grid-template-columns: 1fr; } }

/* Schalter */
.switch { display: inline-flex; align-items: center; gap: 10px; margin: 0; color: var(--text); font-size: .92rem; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track { position: relative; flex: none; width: 36px; height: 20px; border-radius: 99px; background: var(--line); transition: background .15s; }
.switch .track::after { content: ''; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: transform .15s; }
.switch input:checked + .track { background: var(--green); }
.switch input:checked + .track::after { transform: translateX(16px); }
.switch input:focus-visible + .track { outline: 2px solid var(--blue); outline-offset: 2px; }

/* Zeitschaltuhr */
.zp-list { display: flex; flex-direction: column; gap: 8px; }
.zp-list:not(:empty) { margin-bottom: 10px; }
.zp-list:not(:empty) + .zp-empty { display: none; }
.zp-empty { margin: 0 0 10px; font-size: .85rem; color: var(--muted); }
.zp-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.zp-times { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }
.zp-times input { width: auto; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); }
.day-pills { display: flex; flex-wrap: wrap; gap: 4px; }
.day-pills label { margin: 0; }
.day-pills input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.day-pills span { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 30px; border: 1px solid var(--line); border-radius: 7px; font-size: .78rem; font-weight: 600; color: var(--muted); cursor: pointer; user-select: none; }
.day-pills span:hover { border-color: var(--muted); }
.day-pills input:checked + span { background: var(--green-bg); border-color: transparent; color: var(--green); }
.day-pills input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 1px; }
.zp-row .switch { margin-left: auto; }
.icon-btn { border: 0; background: transparent; color: var(--muted); width: 30px; height: 30px; border-radius: 7px; cursor: pointer; font-size: .9rem; }
.icon-btn:hover { background: var(--red-bg); color: var(--red); }
.msg { margin-top: 10px; font-size: .9rem; min-height: 1.3em; }
.msg.err { color: var(--red); }
.msg.ok { color: var(--green); }
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; background: var(--green-bg); color: var(--green); }
.flash.err { background: var(--red-bg); color: var(--red); }
.tabs .btn { padding: 6px 12px; font-weight: 500; background: transparent; color: var(--muted); }
.tabs .btn.act { background: var(--grey-bg); color: var(--text); }
.chart-box { position: relative; height: 320px; }
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.wrap-text { white-space: normal; min-width: 200px; }
.login { max-width: 360px; margin: 10vh auto; }
.login input[type=text], .login input[type=password] { width: 100%; margin-bottom: 12px; }