/* 3. D-A-CH-Symposium 2027 — Abstract Submission
   Design: Farb- und Formsprache angelehnt an das Emblem der Deutschen
   Gesellschaft für Pflegewissenschaft (gelber Kreis, anthrazitfarbene
   Formen, klare serifenlose Blockschrift) — keine externen Fonts. */

:root {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-border: #e2e0dc;
  --color-text: #2b2b2b;
  --color-text-muted: #7f7f7f;
  --color-primary: #333333;
  --color-primary-dark: #1c1c1c;
  --color-accent: #ffd900;
  --color-accent-dark: #e0bf00;
  --color-accent-soft: #fff8db;
  --color-success: #1e7a4c;
  --color-success-soft: #e8f6ee;
  --color-danger: #b3261e;
  --color-danger-soft: #fbeae9;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 4px 16px rgba(0, 0, 0, 0.06);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
}

/* ---------- Top bar ---------- */

.topbar {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  height: 4.5rem;
  width: auto;
}

/* ---------- Compact info bar ---------- */

.info-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.info-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem 1.5rem 1.4rem;
}

.info-bar h1 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 1.1rem;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.meta-list {
  margin: 0 0 1.1rem;
  border-top: 1px solid var(--color-border);
}

.meta-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-border);
}

.meta-row dt {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.meta-row dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text);
}

.info-bar details {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.info-bar summary {
  cursor: pointer;
  color: var(--color-text);
  font-weight: 600;
  outline: none;
}

.info-bar summary::marker {
  color: var(--color-text-muted);
}

.info-bar .formalia-body {
  margin: 0.9rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.5rem 1.5rem;
}

.info-bar .formalia-body dt {
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.8rem;
}

.info-bar .formalia-body dd {
  margin: 0 0 0.6rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
}

/* ---------- Wizard / Form ---------- */

.wizard-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

.wizard-title {
  margin: 0 0 1.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.draft-banner {
  background: var(--color-accent-soft);
  border: 1px solid #ecdd9e;
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.draft-banner .draft-actions {
  display: flex;
  gap: 0.5rem;
}

.form-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.form-step h2 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
  color: var(--color-text);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.form-step .step-hint {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: 1rem 0 1.4rem;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.field .optional-tag {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="url"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.94rem;
  background: #fff;
  color: var(--color-text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.field textarea {
  resize: vertical;
  min-height: 90px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.field-error {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.field.invalid .field-error {
  display: block;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 400;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.radio-group input:checked + span,
.radio-group label:has(input:checked) {
  color: var(--color-primary);
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  font-weight: 600;
}

.keyword-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.keyword-chip {
  background: var(--color-accent-soft);
  color: #5c4d00;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.keyword-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0;
}

.word-counter {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}

.word-counter.over {
  color: var(--color-danger);
  font-weight: 600;
}

.field input[type="file"] {
  width: 100%;
  padding: 0.5rem 0;
  font-size: 0.88rem;
}

.attachment-info {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  background: var(--color-accent-soft);
  border: 1px solid #ecdd9e;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}

.attachment-remove {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0;
}

.author-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.1rem 0.6rem;
  margin-bottom: 1rem;
  position: relative;
  background: #fbfbfa;
}

.author-card .author-title {
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.author-card .remove-author {
  position: absolute;
  top: 0.85rem;
  right: 0.9rem;
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.checkbox-field input {
  margin-top: 0.25rem;
}

.checkbox-field label {
  font-weight: 400;
  font-size: 0.9rem;
}

.form-errors {
  background: var(--color-danger-soft);
  border: 1px solid #f0c6c3;
  color: var(--color-danger);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}

/* action bars */

.persistent-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}

.storage-hint {
  margin: 0.75rem 0 0;
  text-align: right;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: #f0f0ef;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-final {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-final:hover {
  background: var(--color-accent-dark);
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Preview dialog */

dialog#previewDialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(720px, 92vw);
  max-height: 88vh;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

dialog#previewDialog::backdrop {
  background: rgba(20, 20, 20, 0.55);
}

.preview-inner {
  padding: 1.75rem;
  max-height: 70vh;
  overflow-y: auto;
}

.preview-inner h2 {
  margin-top: 0;
  color: var(--color-text);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.preview-block {
  margin-bottom: 1.4rem;
}

.preview-block h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

.preview-block .abstract-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.preview-authors-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}

.preview-authors-table th,
.preview-authors-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.preview-abstract-section {
  margin-bottom: 0.85rem;
}

.preview-abstract-section strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.preview-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--color-border);
  background: #fafaf9;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary-dark);
  color: #fff;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  box-shadow: var(--shadow);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.toast.visible {
  opacity: 1;
}

.success-panel {
  background: var(--color-success-soft);
  border: 1px solid #bfe3cd;
  border-radius: var(--radius);
  padding: 2.5rem 1.75rem;
  text-align: center;
}

.success-panel .success-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-success);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}

.success-panel h2 {
  color: var(--color-success);
  margin: 0 0 0.5rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  text-align: center;
}

[hidden] {
  display: none !important;
}

@media (max-width: 640px) {
  .persistent-actions {
    justify-content: stretch;
  }

  .persistent-actions .btn {
    flex: 1 1 auto;
  }
}