:root {
    --ink: #12262c;
    --muted: #5b6d73;
    --line: #d9e0e2;
    --paper: #f3efe6;
    --card: #fffdf8;
    --sidebar: #0c2a32;
    --sidebar-2: #13404b;
    --gold: #b8893a;
    --gold-soft: #f4e6c8;
    --teal: #1f6f7a;
    --teal-soft: #d7eef0;
    --violet: #5b4d8a;
    --violet-soft: #e6e1f4;
    --danger: #9b2c2c;
    --danger-soft: #f8dcdc;
    --ok: #2f6b3a;
    --ok-soft: #dcecdc;
    --warn: #8a5a12;
    --shadow: 0 10px 30px rgba(12, 42, 50, .08);
    --radius: 14px;
    --font: "Segoe UI", "Source Sans 3", Calibri, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.45;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .4rem; font-weight: 650; letter-spacing: -.02em; }
p { margin: 0 0 1rem; }

.shell { display: flex; min-height: 100vh; }
.sidebar {
    width: 268px;
    background: linear-gradient(180deg, var(--sidebar) 0%, #081c22 100%);
    color: #e8f1f3;
    display: flex;
    flex-direction: column;
    padding: 1.2rem 1rem;
    flex-shrink: 0;
}
.brand { display: flex; gap: .8rem; align-items: center; margin-bottom: 1.6rem; }
.brand-mark {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--gold); color: #1a1408;
    display: grid; place-items: center; font-weight: 800;
}
.brand strong, .brand-login strong { display: block; font-size: 1.05rem; }
.brand small, .brand-login small { color: #b7c7cc; }
.sidebar nav { display: flex; flex-direction: column; gap: .25rem; flex: 1; }
.nav-link {
    display: flex; align-items: center; gap: .7rem;
    color: #d5e4e8; padding: .65rem .75rem; border-radius: 10px;
    text-decoration: none;
}
.nav-link:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.nav-link.is-active { background: rgba(184,137,58,.2); color: #fff; }
.nav-icon::before { content: "●"; font-size: .7rem; opacity: .8; }
.nav-icon[data-icon="home"]::before { content: "⌂"; font-size: 1rem; }
.nav-icon[data-icon="calendar"]::before { content: "▦"; }
.nav-icon[data-icon="projects"]::before { content: "▣"; }
.nav-icon[data-icon="quotes"]::before { content: "▤"; }
.nav-icon[data-icon="invoices"]::before { content: "€"; }
.nav-icon[data-icon="customers"]::before { content: "☺"; }
.nav-icon[data-icon="trainers"]::before { content: "★"; }
.nav-icon[data-icon="settings"]::before { content: "⚙"; }
.badge-crm { background: var(--violet-soft); color: var(--violet); }
.skill-tag {
    display: inline-block; background: var(--teal-soft); color: var(--teal);
    border-radius: 999px; padding: .12rem .55rem; font-size: .8rem; font-weight: 650; margin: .1rem .15rem .1rem 0;
}
.sidebar-foot { border-top: 1px solid rgba(255,255,255,.08); padding-top: 1rem; }
.who { display: flex; gap: .7rem; align-items: center; margin-bottom: .8rem; }
.avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--sidebar-2); display: grid; place-items: center; font-weight: 700;
}
.who small { color: #9db0b6; display: block; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    display: flex; align-items: center; gap: .8rem;
    padding: 1.1rem 1.6rem .4rem;
}
.topbar h1 { font-size: 1.45rem; }
.content { padding: 0 1.6rem 2.4rem; }
.menu-toggle { display: none; }

.login-body {
    min-height: 100vh;
    display: grid; place-items: center;
    background:
        radial-gradient(1200px 500px at 10% -10%, #1f6f7a33, transparent),
        radial-gradient(900px 400px at 100% 0%, #b8893a22, transparent),
        var(--paper);
}
.login-card {
    width: min(440px, 92vw);
    background: var(--card);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid #eee6d6;
}
.brand-login { margin-bottom: 1rem; color: var(--ink); }
.brand-login small { color: var(--muted); }
.login-lead { color: var(--muted); }
.demo-hint { margin-top: 1.2rem; color: var(--muted); font-size: .92rem; }
.demo-hint ul { padding-left: 1.1rem; }
code { background: var(--gold-soft); padding: .05rem .35rem; border-radius: 6px; font-size: .9em; }

.stack { display: flex; flex-direction: column; gap: .85rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .92rem; flex: 1; min-width: 180px; }
input, select, textarea {
    font: inherit; color: var(--ink);
    border: 1px solid var(--line); border-radius: 10px;
    padding: .6rem .7rem; background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    border: 1px solid var(--line); background: #fff; color: var(--ink);
    border-radius: 10px; padding: .55rem .9rem; font: inherit; cursor: pointer;
    text-decoration: none; font-weight: 600;
}
.btn:hover { text-decoration: none; background: #f7f4ee; }
.btn-primary { background: var(--sidebar); color: #fff; border-color: var(--sidebar); }
.btn-primary:hover { background: var(--sidebar-2); }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #1a1408; }
.btn-ghost { background: transparent; color: inherit; border-color: rgba(255,255,255,.16); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-block { width: 100%; }
.btn-small { padding: .3rem .6rem; font-size: .88rem; }

.card {
    background: var(--card);
    border: 1px solid #eee6d6;
    border-radius: var(--radius);
    padding: 1.1rem 1.2rem;
    box-shadow: var(--shadow);
}
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat b { font-size: 1.6rem; }
.stat span { color: var(--muted); font-size: .9rem; }

.toolbar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin: .4rem 0 1rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .7rem .55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.badge {
    display: inline-block; border-radius: 999px; padding: .15rem .55rem;
    font-size: .78rem; font-weight: 700; background: #eef2f3;
}
.badge-aktiv, .badge-angenommen, .badge-bezahlt, .badge-freigeschaltet { background: var(--ok-soft); color: var(--ok); }
.badge-planung, .badge-entwurf, .badge-gesendet { background: var(--gold-soft); color: var(--warn); }
.badge-offen, .badge-ueberfaellig { background: var(--danger-soft); color: var(--danger); }
.badge-storniert, .badge-abgelehnt, .badge-gesperrt { background: #ececec; color: #555; }
.badge-umgewandelt, .badge-abgeschlossen { background: var(--teal-soft); color: var(--teal); }
.badge-praesenz { background: var(--teal-soft); color: var(--teal); }
.badge-online { background: var(--violet-soft); color: var(--violet); }
.badge-gestreckt, .badge-gemischt { background: var(--gold-soft); color: var(--warn); }

.flash { padding: .75rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.flash-success { background: var(--ok-soft); color: var(--ok); }
.flash-error { background: var(--danger-soft); color: var(--danger); }

.empty-state { background: var(--card); padding: 2rem; border-radius: var(--radius); text-align: center; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin: 1.4rem 0 .8rem; }

.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-head { font-size: .8rem; color: var(--muted); text-align: center; font-weight: 700; padding: .4rem 0; }
.cal-day {
    min-height: 118px; background: var(--card); border: 1px solid #eee6d6;
    border-radius: 10px; padding: .4rem; display: flex; flex-direction: column; gap: .25rem;
}
.cal-day.is-muted { opacity: .45; }
.cal-day.is-today { outline: 2px solid var(--gold); }
.cal-num { font-weight: 700; font-size: .85rem; }
.chip {
    display: block; font-size: .72rem; line-height: 1.2; padding: .18rem .35rem;
    border-radius: 6px; color: #123; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    text-decoration: none;
}
.chip-praesenz { background: var(--teal-soft); }
.chip-online { background: var(--violet-soft); }
.chip-gestreckt { background: var(--gold-soft); }
.chip-intern, .chip-sonstiges { background: #ececec; }

.items-table input { width: 100%; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.dl { display: grid; grid-template-columns: 160px 1fr; gap: .35rem 1rem; }
.dl dt { color: var(--muted); }
.terms-box {
    background: #faf6ec;
    border: 1px solid #eee6d6;
    border-radius: 12px;
    padding: 1rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: .85rem;
}
.terms-box h3 { margin: 0; }
.travel-cell { max-width: 280px; }
.plain { margin: 0; padding-left: 1.15rem; }
.filterbar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: end; }
.filterbar label { min-width: 140px; }

@media (max-width: 980px) {
    .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
    .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 20; transform: translateX(-105%); transition: transform .2s; }
    .sidebar.is-open { transform: none; }
    .menu-toggle { display: inline-flex; }
    .content, .topbar { padding-left: 1rem; padding-right: 1rem; }
    .cal-day { min-height: 86px; }
}
@media (max-width: 700px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .calendar { gap: 3px; }
    .cal-day { min-height: 72px; }
    .dl { grid-template-columns: 1fr; }
}