/* Kundenportal 3performance – schlankes, selbst gehostetes Stylesheet.
   Bewusst ohne externen CDN/Build (DSGVO: keine Drittanbieter-Requests). */

:root {
    --bg: #0f172a;
    --bg-soft: #f1f5f9;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --danger: #dc2626;
    --danger-soft: #fef2f2;
    --ok: #16a34a;
    --ok-soft: #f0fdf4;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .05);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg-soft);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* ---------- Layout ---------- */

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: .9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.brand { font-weight: 700; letter-spacing: -.01em; }
.brand span { color: var(--accent); }

.container { max-width: 980px; margin: 0 auto; padding: 2rem 1.5rem; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ---------- Auth-Karten (zentriert) ---------- */

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}
.auth-card h1 { text-align: center; }
.auth-card .brand { text-align: center; display: block; margin-bottom: 1.5rem; font-size: 1.1rem; }

/* ---------- Karten / Panels ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}
.card h2 { margin-bottom: 1rem; }

/* ---------- Formulare ---------- */

label { display: block; font-size: .85rem; font-weight: 600; margin: .75rem 0 .25rem; }
input[type=text], input[type=password], input[type=url], input[type=number], select, textarea {
    width: 100%;
    padding: .55rem .7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: .95rem;
    background: #fff;
    color: var(--text);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

.row { display: flex; gap: .75rem; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }

.btn {
    display: inline-block;
    border: 1px solid transparent;
    background: var(--accent);
    color: #fff;
    padding: .55rem 1rem;
    border-radius: 8px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .12s ease;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn-block { width: 100%; }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: .35rem .65rem; font-size: .8rem; }

/* ---------- Flash ---------- */

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .9rem; border: 1px solid; }
.flash.info { background: var(--ok-soft); border-color: #bbf7d0; color: #166534; }
.flash.error { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; }

/* ---------- Dashboard ---------- */

.greeting { margin-bottom: 1.5rem; }

.kampagne {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.1rem;
    margin-bottom: .75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.kampagne .name { font-weight: 600; }
.kampagne .links { display: flex; gap: .5rem; flex-wrap: wrap; }

.badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    padding: .2rem .5rem;
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--muted);
}
.badge.aktiv { background: var(--ok-soft); color: #166534; }
.badge.pausiert { background: #fffbeb; color: #92400e; }
.badge.geplant { background: #eff6ff; color: #1e40af; }
.badge.beendet { background: #f1f5f9; color: #475569; }

.empty { color: var(--muted); padding: 1.5rem; text-align: center; border: 1px dashed var(--border); border-radius: 10px; }

/* ---------- Editor: zweispaltig ---------- */

.edit-grid { display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 820px) { .edit-grid { grid-template-columns: 1fr; } }

.kunde-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.kunde-list li { margin-bottom: .35rem; }
.kunde-list a {
    display: block; padding: .5rem .7rem; border-radius: 8px; color: var(--text);
    border: 1px solid transparent;
}
.kunde-list a:hover { background: var(--bg-soft); text-decoration: none; }
.kunde-list a.active { background: #eff6ff; border-color: #bfdbfe; color: var(--accent-dark); font-weight: 600; }

.divider { height: 1px; background: var(--border); margin: 1.25rem 0; border: 0; }

details.inline-edit { margin-top: .5rem; }
details.inline-edit summary { cursor: pointer; font-size: .82rem; color: var(--accent); }

.toolbar { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
form.inline { display: inline; }