:root {
  --blue-dark: #2f5fa8;
  --blue-bg: #e9f0fa;
  --blue-border: #c3d7f0;
  --green-dark: #3a8a4a;
  --green-bg: #eaf6ec;
  --green-border: #c3e6c9;
  --red-dark: #c62f3a;
  --red-bg: #fbeced;
  --red-border: #f1c6c9;
  --blue2-dark: #3f6fb0;
  --blue2-bg: #eaf1fb;
  --blue2-border: #c9dbf2;
  --ink: #1e2733;
  --muted: #5b6672;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: "Segoe UI", Arial, "Helvetica Neue", Helvetica, sans-serif;
  color: var(--ink);
  background: #f2f4f7;
}

body {
  display: flex;
}

/* ---------- Sidebar ---------- */

.sidebar {
  width: 300px;
  flex-shrink: 0;
  background: #ffffff;
  border-right: 1px solid #e1e5ea;
  height: 100vh;
  overflow-y: auto;
  padding: 16px;
}

.sidebar-header h2 {
  font-size: 16px;
  margin: 0 0 12px;
  color: var(--blue-dark);
}

.search-box {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d6dbe1;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 12px;
}

.topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.topic-list li {
  padding: 9px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.3;
  color: var(--ink);
}

.topic-list li:hover {
  background: var(--blue-bg);
}

.topic-list li.active {
  background: var(--blue-dark);
  color: #fff;
  font-weight: 600;
}

/* ---------- Content / Toolbar ---------- */

.content {
  flex: 1;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.toolbar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: #ffffff;
  border-bottom: 1px solid #e1e5ea;
  position: sticky;
  top: 0;
  z-index: 5;
}

#toolbar-title {
  font-weight: 600;
  color: var(--muted);
}

.toolbar-actions {
  display: flex;
  gap: 10px;
}

#print-btn, #qr-btn {
  border: none;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}

#print-btn {
  background: var(--blue-dark);
  color: #fff;
}

#print-btn:not(:disabled):hover {
  background: #24487f;
}

#qr-btn {
  background: #fff;
  color: var(--blue-dark);
  border: 1px solid var(--blue-dark);
}

#qr-btn:not(:disabled):hover {
  background: var(--blue-bg);
}

#print-btn:disabled, #qr-btn:disabled {
  background: #b7c3d4;
  border-color: #b7c3d4;
  color: #fff;
  cursor: not-allowed;
}

.empty-state {
  margin-top: 80px;
  color: var(--muted);
  font-size: 15px;
}

#sheet-container {
  padding: 24px 0 48px;
  width: 100%;
  display: flex;
  justify-content: center;
}

/* ---------- The A4 sheet ---------- */

.sheet {
  background: #ffffff;
  width: 210mm;
  min-height: 297mm;
  padding: 14mm 16mm;
  box-shadow: 0 2px 14px rgba(0,0,0,0.12);
}

.sheet-header {
  border-bottom: 2px solid var(--blue-dark);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 46px;
  width: auto;
  display: block;
}

.sheet-title {
  font-size: 32px;
  color: var(--blue-dark);
  margin: 0 0 5px;
}

.sheet-subtitle {
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 14px;
}

.sheet-intro {
  font-size: 13px;
  color: var(--ink);
  border-top: 1px solid #d9dfe6;
  padding-top: 10px;
  margin: 0 0 18px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.box {
  border-radius: 10px;
  padding: 14px 16px 16px;
  border: 1px solid;
  display: flex;
  flex-direction: column;
}

.box-blue    { background: var(--blue-bg);  border-color: var(--blue-border); }
.box-green   { background: var(--green-bg); border-color: var(--green-border); }
.box-red     { background: var(--red-bg);   border-color: var(--red-border); }
.box-blue2   { background: var(--blue2-bg); border-color: var(--blue2-border); }

.box-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.box-head h3 {
  font-size: 14px;
  margin: 0;
  line-height: 1.25;
}

.box-blue  .box-head h3 { color: var(--blue-dark); }
.box-green .box-head h3 { color: var(--green-dark); }
.box-red   .box-head h3 { color: var(--red-dark); }
.box-blue2 .box-head h3 { color: var(--blue2-dark); }

.icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon svg { width: 17px; height: 17px; color: #ffffff; }

.icon-blue  { background: var(--blue-dark); }
.icon-green { background: var(--green-dark); }
.icon-red   { background: var(--red-dark); }
.icon-blue2 { background: var(--blue2-dark); }

.box ul {
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 12.5px;
  line-height: 1.5;
  flex-grow: 1;
}

.box ul li { margin-bottom: 5px; }

.box-footer {
  border-radius: 8px;
  color: #fff;
  font-size: 12px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.35;
  margin-top: auto;
}

.footer-blue  { background: var(--blue-dark); }
.footer-green { background: var(--green-dark); }
.footer-red   { background: var(--red-dark); }
.footer-blue2 { background: var(--blue2-dark); }

.footer-icon {
  flex-shrink: 0;
  display: flex;
}

.footer-icon svg {
  width: 16px;
  height: 16px;
  color: #ffffff;
}

.sheet-footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid #d9dfe6;
  font-size: 14px;
  color: var(--ink);
}

.sheet-footer-main {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.practice-info {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #d9dfe6;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

.practice-info strong {
  color: var(--ink);
}

.practice-info[hidden] { display: none; }

.icon-info {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-info svg {
  width: 17px;
  height: 17px;
}

/* ---------- Focused view (direct link / QR access) ---------- */

body.focused-view .sidebar,
body.focused-view .toolbar {
  display: none !important;
}

/* ---------- Print ---------- */

@media print {
  @page {
    size: A4;
    margin: 0;
  }

  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }

  html, body {
    height: auto;
    background: #fff;
  }

  .no-print { display: none !important; }

  .sidebar, .toolbar { display: none !important; }

  .content, #sheet-container {
    height: auto;
    overflow: visible;
    padding: 0;
    display: block;
  }

  .sheet {
    box-shadow: none;
    width: 210mm;
    min-height: 297mm;
    margin: 0;
    page-break-after: avoid;
  }
}

/* ---------- Overlays / modals (QR + Praxisdaten) ---------- */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 26, 34, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.overlay[hidden] { display: none; }

.modal {
  background: #fff;
  border-radius: 10px;
  padding: 24px 28px 28px;
  width: 340px;
  max-width: 90vw;
  position: relative;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}

.modal-close:hover { color: var(--ink); }

#qr-modal-title {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--blue-dark);
}

.qr-code-holder {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.qr-code-holder svg {
  width: 220px;
  height: 220px;
}

.qr-warning {
  font-size: 12px;
  color: var(--red-dark);
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: 6px;
  padding: 8px 10px;
  text-align: left;
  margin: 0 0 14px;
}

.qr-link-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-align: left;
  margin-bottom: 4px;
}

.qr-link-row {
  display: flex;
  gap: 6px;
}

#qr-link {
  flex: 1;
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid #d6dbe1;
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink);
  background: #f7f9fb;
}

#qr-copy {
  border: 1px solid var(--blue-dark);
  background: #fff;
  color: var(--blue-dark);
  border-radius: 6px;
  padding: 0 12px;
  font-size: 12px;
  cursor: pointer;
}

#qr-copy:hover { background: var(--blue-bg); }

#qr-copy.copied {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: #fff;
}

.qr-warning-link {
  display: block;
  margin-top: 6px;
  border: none;
  background: none;
  padding: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--red-dark);
  text-decoration: underline;
  cursor: pointer;
}

/* ---------- Praxisdaten (sidebar button + settings modal) ---------- */

.practice-settings-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #d6dbe1;
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 12px;
}

.practice-settings-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--blue-dark);
}

.practice-settings-btn:hover { background: var(--blue-bg); }

.practice-settings-btn.has-data svg { color: var(--green-dark); }

.practice-modal-hint {
  font-size: 12px;
  color: var(--muted);
  text-align: left;
  margin: 0 0 16px;
  line-height: 1.4;
}

#practice-form {
  text-align: left;
}

#practice-form label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 4px;
}

#practice-form label:first-child { margin-top: 0; }

#practice-form input {
  width: 100%;
  padding: 8px 9px;
  border: 1px solid #d6dbe1;
  border-radius: 6px;
  font-size: 13px;
  color: var(--ink);
}

.practice-form-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
}

#practice-clear {
  border: 1px solid #d6dbe1;
  background: #fff;
  color: var(--muted);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

#practice-clear:hover { background: #f2f4f7; }

#practice-save {
  border: none;
  background: var(--blue-dark);
  color: #fff;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
}

#practice-save:hover { background: #24487f; }