/* Demo Scheduler Modal Styles */

.ds-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 8, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  color: rgba(255,255,255,0.9);
}

.ds-modal-overlay.ds-active {
  opacity: 1;
  pointer-events: auto;
}

.ds-modal-container {
  background: #0A0D10;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.ds-modal-overlay.ds-active .ds-modal-container {
  transform: translateY(0);
}

.ds-header {
  padding: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ds-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.ds-close-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color 0.2s;
}

.ds-close-btn:hover {
  color: white;
}

.ds-body {
  padding: 24px;
  flex: 1;
}

/* Step 1: Calendar */
.ds-view {
  display: none;
  animation: dsFadeIn 0.3s ease;
}

.ds-view.ds-active {
  display: block;
}

@keyframes dsFadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.ds-month-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.ds-month-nav button {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.ds-month-nav button:hover:not(:disabled) {
  background: rgba(255,255,255,0.05);
}

.ds-month-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.ds-month-label {
  font-weight: 500;
  font-size: 1.1rem;
}

.ds-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}

.ds-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.ds-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  color: rgba(255,255,255,0.8);
  transition: all 0.2s;
}

.ds-day:not(.ds-disabled):hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.ds-day.ds-disabled {
  color: rgba(255,255,255,0.2);
  cursor: not-allowed;
  background: transparent;
}

.ds-day.ds-empty {
  visibility: hidden;
}

.ds-day.ds-selected {
  background: white;
  color: #0A0D10;
  font-weight: 600;
}

/* Step 2: Time Slots */
.ds-back-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  transition: color 0.2s;
}

.ds-back-btn:hover {
  color: white;
}

.ds-date-display {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.ds-slots-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ds-slot-btn {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.2s;
}

.ds-slot-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
}

/* Step 3: Form */
.ds-form-group {
  margin-bottom: 16px;
}

.ds-form-group label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.ds-input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  padding: 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.ds-input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

textarea.ds-input {
  resize: vertical;
  min-height: 80px;
}

.ds-submit-btn {
  width: 100%;
  background: white;
  color: #0A0D10;
  border: none;
  padding: 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.2s;
}

.ds-submit-btn:hover {
  opacity: 0.9;
}

.ds-helper-text {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  margin-top: 16px;
  line-height: 1.4;
}

/* Step 4: Success View */
.ds-success-view {
  text-align: center;
  padding: 40px 20px;
}

.ds-success-icon {
  width: 64px;
  height: 64px;
  background: rgba(31, 111, 107, 0.2);
  color: #1F6F6B;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.ds-success-icon svg {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.ds-success-title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: white;
}

.ds-success-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin-bottom: 32px;
}

.ds-done-btn {
  background: white;
  color: #0A0D10;
  border: none;
  padding: 12px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.ds-done-btn:hover {
  opacity: 0.9;
}