/* ============================================================
   thaeven-portal — Kauf-Strecke (Onboarding · Registrierung · Status)
   Baut auf portal.css auf (Tokens + .auth-*, .fld, .input, .btn).
   WICHTIG: NUR echte, in portal.css definierte Tokens verwenden, die im
   Light-Theme kippen — --ink, --muted, --line, --surface(-2), --accent(-2),
   --on-accent, --shadow-card. (Früher: --text/--border/--shadow → NICHT
   definiert → hingen im hellen Design auf Dark = unlesbar.)
   ============================================================ */

.kauf {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 18px;
  gap: 14px;
}
.kauf-card {
  width: 100%;
  max-width: 640px;
  background: var(--surface, #14141a);
  border: 1px solid var(--line, rgba(255,255,255,.08));
  border-radius: 20px;
  padding: clamp(22px, 4vw, 40px);
  box-shadow: var(--shadow-card, 0 24px 60px -30px rgba(0,0,0,.7));
}
.kauf-card--narrow { max-width: 440px; }
.kauf-center { text-align: center; }

/* Fortschritts-Stepper */
.kauf-steps {
  list-style: none; display: flex; gap: 8px; margin: 18px 0 22px; padding: 0;
  font-size: 12.5px; color: var(--muted); flex-wrap: wrap;
}
.kauf-steps li { display: inline-flex; align-items: center; gap: 7px; }
.kauf-steps li:not(:last-child)::after { content: ""; width: 16px; height: 1px; background: var(--line); margin-left: 4px; }
.kauf-steps li span {
  width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; background: var(--surface-2, #1c1c24);
  border: 1px solid var(--line); color: var(--muted);
}
.kauf-steps li.is-active span { background: var(--accent, #45D6E8); color: var(--on-accent, #04181c); border-color: transparent; }
.kauf-steps li.is-active { color: var(--ink); font-weight: 600; }
.kauf-steps li.is-done span { background: color-mix(in srgb, var(--accent, #45D6E8) 22%, transparent); color: var(--accent-2, #7FE6F2); border-color: transparent; }

/* Zusammenfassung des gewählten Produkts */
.kauf-summary {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 16px; margin: 4px 0 6px;
  background: color-mix(in srgb, var(--accent, #45D6E8) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, #45D6E8) 28%, transparent);
  border-radius: 14px;
}
.kauf-summary--plain { background: var(--surface-2, #1c1c24); border-color: var(--line); text-align: left; margin-top: 18px; }
.kauf-summary__l { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.kauf-summary__type { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-2, #7FE6F2); font-weight: 700; }
/* Produktname in Großbuchstaben (konsistent zur Produkte-Seite: .plan__name) */
.kauf-summary__name { font-size: 17px; font-weight: 700; color: var(--ink); text-transform: uppercase; letter-spacing: .01em; }
.kauf-summary__r { text-align: right; flex: none; }
.kauf-summary__price { display: block; font-size: 20px; font-weight: 800; color: var(--ink); }
.kauf-summary__price span { font-size: 12px; font-weight: 500; color: var(--muted); }
.kauf-summary__sub { font-size: 11.5px; color: var(--muted); }
.kauf-change { font-size: 12.5px; color: var(--muted); margin: 0 0 18px; }
.kauf-change a { color: var(--accent-2, #7FE6F2); }

/* Formular */
.kauf-form { display: flex; flex-direction: column; gap: 14px; }
.kauf-legend { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 12px 0 -2px; font-weight: 700; }
.kauf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.kauf-col-2 { grid-column: 1 / -1; }
.kauf-area { resize: vertical; min-height: 44px; line-height: 1.5; font-family: inherit; }
.fld-hint { font-size: 12px; color: var(--muted); margin-top: 5px; display: block; }

/* Datei-Upload („Durchsuchen"-Button = ::file-selector-button) */
.kauf-file {
  width: 100%; font-size: 13.5px; color: var(--ink);
  padding: 12px; border: 1px dashed var(--line);
  border-radius: 12px; background: var(--surface-2, #1c1c24); cursor: pointer;
}
.kauf-file::file-selector-button {
  margin-right: 12px; padding: 8px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface, #14141a);
  color: var(--ink); font-weight: 600; font-size: 13px;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.kauf-file::file-selector-button:hover {
  border-color: var(--accent, #45D6E8); color: var(--accent, #45D6E8);
}

.kauf-submit { margin-top: 8px; gap: 8px; }
.kauf-secure { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }
.kauf-secure a { color: var(--accent-2, #7FE6F2); }
.kauf-mt { margin-top: 10px; }

/* Status-Badges (Erfolg/Abbruch/Warten) */
.kauf-badge {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 18px;
  display: grid; place-items: center;
  background: var(--surface-2, #1c1c24); border: 1px solid var(--line);
  color: var(--muted);
}
.kauf-badge--ok {
  background: color-mix(in srgb, var(--accent, #45D6E8) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent, #45D6E8) 40%, transparent);
  color: var(--accent-2, #7FE6F2);
}

.kauf-card--narrow .btn { width: 100%; }
.kauf-center .kauf-secure { justify-content: center; }
.kauf-center code { background: var(--surface-2, #1c1c24); padding: 2px 7px; border-radius: 6px; font-size: 12px; }

@media (max-width: 520px) {
  .kauf-grid { grid-template-columns: 1fr; }
}