:root {
  --color-bg: #0f1419;
  --color-surface: #1a1f2e;
  --color-surface-hover: #242b3d;
  --color-primary: #ff6b35;
  --color-primary-hover: #e55a2b;
  --color-text: #e1e8ed;
  --color-text-secondary: #8899a6;
  --color-border: #2c3344;
  --color-danger: #e0245e;
  --color-success: #17bf63;
  --color-cancelled: #666;
  --color-mine-bg: #1a3a5c;
  --color-theirs-bg: #252b3d;
  --nav-width: 240px;
  --max-content: 960px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--color-bg); color: var(--color-text); font-family: var(--font-family); font-size: 16px; line-height: 1.5; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── Create Profile Dialog ─────────────────────────────── */
.create-profile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.create-profile-dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.create-profile-dialog .dialog-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.create-profile-dialog .dialog-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}
.create-profile-dialog .dialog-field {
  margin-bottom: 14px;
}
.create-profile-dialog .dialog-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.create-profile-dialog .dialog-field .optional {
  font-weight: 400;
  color: var(--color-text-secondary);
}
.create-profile-dialog .dialog-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
}
.create-profile-dialog .dialog-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}
.create-profile-dialog .field-hint {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.create-profile-dialog .dialog-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.create-profile-dialog .btn-primary {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}
.create-profile-dialog .btn-primary:hover {
  background: var(--color-primary-hover);
}
.create-profile-dialog .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.create-profile-dialog .btn-cancel {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  font-size: 0.95rem;
  cursor: pointer;
}
.create-profile-dialog .btn-cancel:hover {
  background: var(--color-surface-hover);
}