/* ============================================
   DEMO MODAL
   ============================================ */

.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.demo-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Backdrop */
.demo-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 20, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Panel */
.demo-modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  background: rgba(7, 17, 30, 0.96);
  border: 1px solid rgba(0, 163, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-10);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 163, 255, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s var(--ease-out);
}

.demo-modal.is-open .demo-modal__panel {
  transform: translateY(0) scale(1);
}

/* Glow behind panel */
.demo-modal__panel::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 163, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

/* Close button */
.demo-modal__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-tertiary);
  transition: all var(--duration-fast);
}

.demo-modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
}

.demo-modal__close svg {
  width: 15px;
  height: 15px;
}

/* Header */
.demo-modal__header {
  margin-bottom: var(--space-8);
}

.demo-modal__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-electric);
  margin-bottom: var(--space-3);
}

.demo-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.demo-modal__subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* Form layout */
.demo-modal__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.demo-modal__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.demo-modal__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.demo-modal__label-text {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.demo-modal__label-text span {
  color: var(--blue-electric);
}

.demo-modal__optional {
  color: var(--text-muted) !important;
  font-weight: 400;
}

/* Inputs */
.demo-modal__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--text-primary);
  transition: border-color var(--duration-fast), background var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.demo-modal__input::placeholder {
  color: var(--text-muted);
}

.demo-modal__input:focus {
  border-color: rgba(0, 163, 255, 0.5);
  background: rgba(0, 163, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 163, 255, 0.1);
}

.demo-modal__input:invalid:not(:placeholder-shown) {
  border-color: rgba(229, 62, 62, 0.4);
}

/* Select */
.demo-modal__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
}

.demo-modal__select option {
  background: #0d1525;
  color: var(--text-primary);
}

/* Textarea */
.demo-modal__textarea {
  resize: vertical;
  min-height: 80px;
}

/* Submit */
.demo-modal__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: linear-gradient(135deg, var(--blue-azure), var(--blue-electric));
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: 0 4px 20px rgba(0, 163, 255, 0.3);
  margin-top: var(--space-2);
  width: 100%;
}

.demo-modal__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(0, 163, 255, 0.45);
}

.demo-modal__submit:active {
  transform: translateY(0);
}

/* Success state */
.demo-modal__success {
  display: none;
  text-align: center;
  padding: var(--space-12) 0 var(--space-6);
}

.demo-modal__success.is-visible {
  display: block;
}

.demo-modal__success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(40, 200, 64, 0.12);
  border: 1px solid rgba(40, 200, 64, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}

.demo-modal__success-icon svg {
  width: 24px;
  height: 24px;
  stroke: #28C840;
}

.demo-modal__success h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.demo-modal__success p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* Scrollbar inside panel */
.demo-modal__panel::-webkit-scrollbar { width: 4px; }
.demo-modal__panel::-webkit-scrollbar-track { background: transparent; }
.demo-modal__panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .demo-modal__panel {
    padding: var(--space-8) var(--space-6);
    max-height: 95vh;
  }

  .demo-modal__row {
    grid-template-columns: 1fr;
  }

  .demo-modal__title {
    font-size: var(--text-2xl);
  }
}