:root {
  --pink: #EC008C;
  --black: #141414;
  --gray-bg: #F2F2F2;
  --gray-text: #8A8A8A;
  --border: #E4E4E4;
}

* { box-sizing: border-box; }
body { font-family: Helvetica, Arial, sans-serif; margin: 0; color: var(--black); background: #fff; }
.hidden { display: none !important; }

/* --- Login --- */
.login-page { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--gray-bg); }
.login-box { background: #fff; padding: 2.5rem; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); width: 320px; display: flex; flex-direction: column; gap: 1rem; }
.login-box h1 { font-size: 1.2rem; margin: 0 0 0.5rem; }
.login-box label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; }
.login-box input { padding: 0.6rem; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem; }
.login-box button { background: var(--black); color: #fff; border: none; padding: 0.7rem; border-radius: 4px; cursor: pointer; font-weight: bold; }
.error { color: var(--pink); font-size: 0.85rem; min-height: 1.2em; }

/* --- App-Layout: Formular links, Vorschau rechts --- */
.app { display: grid; grid-template-columns: 1fr 1fr; height: 100vh; }
.form-panel { padding: 1.5rem 2rem; overflow-y: auto; border-right: 1px solid var(--border); }
.preview-panel { padding: 1.5rem; overflow-y: auto; background: var(--gray-bg); display: flex; justify-content: center; }

.topbar { display: flex; justify-content: space-between; align-items: center; }
.link-btn { background: none; border: none; color: var(--pink); cursor: pointer; font-size: 0.85rem; padding: 0.3rem 0; }

fieldset { border: 1px solid var(--border); border-radius: 6px; margin: 1rem 0; padding: 0.8rem 1rem; }
fieldset label { margin-right: 1.5rem; }

.form-panel label { display: block; margin: 1rem 0 0.3rem; font-size: 0.85rem; color: #444; }
.form-panel select, .form-panel input[type="text"] { width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; font-size: 0.95rem; }

.readonly-block { background: var(--gray-bg); border-radius: 4px; padding: 0.7rem 1rem; margin-top: 0.8rem; font-size: 0.85rem; }
.readonly-block strong, .preview-box strong, .preview-box span { white-space: pre-line; }
.readonly-block .link-btn { margin-top: 0.4rem; padding: 0; }

.edit-panel { border: 1px solid var(--pink); border-radius: 4px; padding: 0.8rem 1rem; margin-top: 0.5rem; background: #FFF6FB; }
.edit-panel textarea { width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; font-size: 0.9rem; font-family: inherit; }
.edit-panel .link-btn { margin-right: 1rem; font-weight: bold; }

table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
table th, table td { border: 1px solid var(--border); padding: 0.4rem; font-size: 0.85rem; text-align: left; }
table input { width: 100%; border: none; padding: 0.2rem; font-size: 0.85rem; }

button.primary { margin-top: 1.5rem; width: 100%; background: var(--pink); color: #fff; border: none; padding: 0.8rem; border-radius: 4px; font-weight: bold; font-size: 1rem; cursor: pointer; }
#result-message { margin-top: 0.8rem; font-size: 0.85rem; }

/* --- Live-Vorschau: spiegelt das PDF-Layout --- */
.invoice-preview { background: #fff; width: 100%; max-width: 620px; padding: 2rem; box-shadow: 0 1px 6px rgba(0,0,0,0.1); font-size: 0.8rem; }
.preview-logo { display: block; margin: 0 auto 1rem; height: 40px; }
.preview-addr-row { display: flex; gap: 1rem; margin-bottom: 1rem; }
.preview-box { flex: 1; border: 1px solid var(--black); border-radius: 4px; padding: 0.6rem 0.8rem; transition: box-shadow 0.15s, border-color 0.15s; }
.preview-meta { text-align: right; margin-bottom: 1rem; }
.preview-title-row { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 0.5rem; }
.preview-title-row h2 { margin: 0; }
.preview-table th { background: var(--black); color: #fff; }
.preview-sums { text-align: right; margin: 0.8rem 0; }
.preview-sums div { padding: 0.15rem 0; }
.prev-gesamt { border-top: 1px solid var(--black); padding-top: 0.3rem !important; font-weight: bold; }
.preview-legal { border: 2px solid var(--pink); border-radius: 4px; text-align: center; padding: 0.6rem; font-weight: bold; margin: 1rem 0; }
.preview-bank { border: 1px solid var(--black); border-radius: 4px; padding: 0.6rem 0.8rem; }
.preview-footer-hint { color: var(--gray-text); font-size: 0.7rem; }

/* Feld, das gerade bearbeitet wird -> im Preview hervorheben */
.highlight, span.highlight {
  outline: 2px solid var(--pink);
  outline-offset: 2px;
  border-radius: 3px;
  background: #FFF0F8;
}