* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--page-bg-gradient, var(--page-bg));
  color: var(--text);
}

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

.portal-body {
  padding-top: 88px;
  min-height: 100vh;
}

.portal-body-centered {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.portal-card {
  width: 100%;
  max-width: 640px;
  background: var(--surface);
  border-radius: 1.25rem;
  padding: 1.75rem 2rem 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.portal-card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.portal-card p {
  margin: 0 0 1.4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.portal-card label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.portal-card input[type="file"],
.portal-card input[type="number"],
.portal-card input[type="text"],
.portal-card select {
  width: 100%;
  font-size: 0.95rem;
  padding: 0.55rem 0.6rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
}

.portal-card input[type="file"] {
  padding: 0.4rem;
}

.portal-card .field {
  margin-bottom: 1rem;
}

.portal-card .hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.portal-card button[type="submit"],
.portal-card .btn-primary {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
  cursor: pointer;
}

.portal-card button:disabled {
  opacity: 0.6;
  cursor: default;
  box-shadow: none;
}

.portal-card a.button.secondary,
.portal-card .btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface-elevated);
  text-decoration: none;
  font-size: 0.9rem;
  margin-right: 0.75rem;
  cursor: pointer;
}

.portal-card .footer {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.portal-card .footer code {
  background: var(--surface-hover);
  padding: 0.1rem 0.25rem;
  border-radius: 0.3rem;
}

.upload-error {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 0.5rem;
  background: var(--danger-soft);
  border: 1px solid var(--danger-text);
  color: var(--danger-text);
  font-size: 0.9rem;
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-backdrop);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.visible { display: flex; }

.modal-box {
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.modal-box h2,
.modal-box h3 {
  margin: 0 0 0.75rem;
}

.modal-box p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--link);
  font-size: 0.9rem;
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

.actions-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.danger-zone {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.danger-zone h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--danger-text);
}

.danger-zone p {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.delete-file-btn {
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 0.5rem;
  border: 1px solid var(--danger-text);
  background: transparent;
  color: var(--danger-text);
}

.delete-file-btn:hover {
  background: var(--danger-soft);
}

#status-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--success);
  min-height: 1.25rem;
}

#err-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--danger-text);
  min-height: 1.25rem;
}

.empty-state {
  color: var(--text-muted);
  padding: 2rem 0;
}