/* ==========================================================================
   Modern Professional Modal Components - Book Demo Modal Styles
   ========================================================================== */

:root {
  /* Enhanced Modal Design System */
  --modal-overlay: rgba(43, 43, 43, 0.85);
  --modal-bg: #FFFFFF;
  --modal-shadow: 0 32px 64px -12px rgba(43, 43, 43, 0.35), 
                  0 0 0 1px rgba(225, 40, 172, 0.08);
  --modal-border-radius: 24px;
  --modal-z-index: 1000;
  --modal-backdrop-blur: blur(8px);
  
  /* Professional spacing system */
  --modal-padding-large: 2.5rem;
  --modal-padding-medium: 2rem;
  --modal-padding-small: 1.5rem;
  --modal-gap: 1.5rem;
}

/* Modal Overlay with Enhanced Backdrop */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--modal-z-index);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: var(--modal-backdrop-blur);
  -webkit-backdrop-filter: var(--modal-backdrop-blur);
}

.modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay);
  cursor: pointer;
  transition: background 0.3s ease;
}

/* Enhanced Modal Container */
.modal__container {
  position: relative;
  background: var(--modal-bg);
  border-radius: var(--modal-border-radius);
  box-shadow: var(--modal-shadow);
  max-width: 720px;
  width: 95%;
  max-height: 92vh;
  overflow: hidden;
  transform: scale(0.85) translateY(30px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: calc(var(--modal-z-index) + 1);
  border: 1px solid rgba(225, 40, 172, 0.1);
}

.modal[aria-hidden="false"] .modal__container {
  transform: scale(1) translateY(0);
}

/* Modal Body with Scroll */
.modal__container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, 
    rgba(225, 40, 172, 0.02) 0%, 
    rgba(253, 98, 48, 0.015) 50%, 
    transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.modal__body {
  max-height: calc(92vh - 100px);
  overflow-y: auto;
  position: relative;
  z-index: 2;
}

/* Professional Modal Header */
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--modal-padding-large) var(--modal-padding-large) 0;
  position: relative;
  z-index: 3;
  background: var(--modal-bg);
}

.modal__title {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-dark);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.modal__close {
  background: rgba(225, 40, 172, 0.05);
  border: 1px solid rgba(225, 40, 172, 0.1);
  font-size: 1.5rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0;
  border-radius: 12px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-weight: 300;
}

.modal__close:hover {
  background: rgba(225, 40, 172, 0.1);
  border-color: rgba(225, 40, 172, 0.2);
  color: var(--color-primary-pink);
  transform: scale(1.05);
}

.modal__close:active {
  transform: scale(0.95);
}

/* Modal Body */
.modal__body {
  padding: 1rem 2rem 2rem;
}

/* Demo Form Styles */
.demo-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.demo-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.demo-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.demo-form__group--checkbox {
  grid-column: 1 / -1;
}

.demo-form__label {
  font-weight: 600;
  color: var(--color-text-dark);
  font-size: 0.875rem;
}

.demo-form__input,
.demo-form__select,
.demo-form__textarea {
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-family, 'geomanist', ui-sans-serif, system-ui, sans-serif);
  transition: all 0.2s ease;
  background: var(--color-bg-light);
}

.demo-form__input:focus,
.demo-form__select:focus,
.demo-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary-pink);
  box-shadow: 0 0 0 3px rgba(225, 40, 172, 0.1);
}

.demo-form__input:invalid:not(:focus):not(:placeholder-shown),
.demo-form__select:invalid:not(:focus):not(:placeholder-shown),
.demo-form__textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #EF4444;
}

.demo-form__textarea {
  resize: vertical;
  min-height: 100px;
}

.demo-form__select {
  cursor: pointer;
}

/* Checkbox Styling */
.demo-form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.demo-form__checkbox {
  display: none;
}

.demo-form__checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.2s ease;
}

.demo-form__checkbox:checked + .demo-form__checkbox-custom {
  background: var(--color-primary-pink);
  border-color: var(--color-primary-pink);
}

.demo-form__checkbox:checked + .demo-form__checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* Error Messages */
.demo-form__error {
  color: #EF4444;
  font-size: 0.75rem;
  min-height: 1rem;
  display: block;
}

.demo-form__error:not(:empty) {
  margin-top: 0.25rem;
}

/* Form Actions */
.demo-form__actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.demo-submit-loading {
  display: none;
}

.demo-form--loading .demo-submit-text {
  display: none;
}

.demo-form--loading .demo-submit-loading {
  display: inline;
}

.demo-form--loading .btn--primary {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Success Message */
.demo-form__success {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-dark);
}

.demo-form__success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.demo-form__success-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-pink);
  margin-bottom: 0.5rem;
}

.demo-form__success-message {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .modal__container {
    width: 95%;
    margin: 1rem;
    max-height: 95vh;
  }
  
  .modal__header {
    padding: 1.5rem 1.5rem 1rem;
  }
  
  .modal__body {
    padding: 1rem 1.5rem 1.5rem;
  }
  
  .modal__title {
    font-size: 1.5rem;
  }
  
  .demo-form__row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .demo-form__actions {
    flex-direction: column-reverse;
  }
  
  .demo-form__actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .modal__header {
    padding: 1rem 1rem 0.75rem;
  }
  
  .modal__body {
    padding: 0.75rem 1rem 1rem;
  }
  
  .modal__title {
    font-size: 1.25rem;
  }
}