/* Base button style */
.btn {
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.5rem;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.08);
  transition:
    background 0.18s,
    color 0.18s;
  display: inline-block;
}

/* Primary button (e.g., Save, Confirm) */
.btn-primary {
  background: var(--btn-primary);
  color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--btn-primary-hover);
}
.btn-primary:disabled,
.btn-primary[disabled] {
  background: var(--btn-secondary, #f3f3f3);
  color: var(--btn-secondary-text, #666);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Secondary button (e.g., Cancel) */
.btn-secondary {
  background: var(--btn-secondary);
  color: var(--btn-secondary-text);
}
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--btn-secondary-hover);
}

/* Danger button (e.g., Delete) */
.btn-danger {
  background: var(--btn-danger);
  color: #fff;
}
.btn-danger:hover,
.btn-danger:focus {
  background: var(--btn-danger-hover);
}

/* Green button (e.g., Confirm) */
.btn-green {
  background: var(--btn-green);
  color: #fff;
}
.btn-green:hover,
.btn-green:focus {
  background: var(--btn-green-hover);
}

.form-btn {
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: none;
  background: var(--btn-primary, #667eea);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.12);
  transition:
    background 0.15s,
    transform 0.06s;
}
.form-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.form-btn:hover:not(:disabled) {
  background: var(--btn-primary-hover, #5a67d8);
  transform: translateY(-1px);
}

/* Link-style button */
.btn-link {
  color: var(--btn-primary);
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-weight: 600;
  margin-left: 6px;
}
.btn-link:disabled {
  text-decoration: none;
  opacity: 0.75;
  cursor: default;
  pointer-events: none;
  color: var(--btn-primary);
}

.round-btn {
  background: var(--sign-in-btn-bg);
  color: var(--sign-in-btn-color);
  border: 2px solid var(--sign-in-btn-border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  margin-right: 0.1rem;
  cursor: pointer;
  transition:
    background 0.18s,
    color 0.18s;
}
.round-btn:hover {
  background: var(--sign-in-btn-hover-bg);
  color: var(--sign-in-btn-hover-color);
}