/* Variable Replacements */
:root {
  --zindex-modal: 1050;
  --zindex-modal-backdrop: 1040;
  --modal-dialog-margin: 1.75rem;
  --modal-content-color: #000;
  --modal-content-bg: #fff;
  --modal-content-border-color: rgba(0,0,0,.2);
  --modal-content-border-width: 1px;
  --modal-border-radius: 0.3rem;
  --modal-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
  --modal-header-padding: 1rem;
  --modal-header-border-width: 1px;
  --modal-header-border-color: #dee2e6;
  --modal-title-line-height: 1.5;
  --modal-inner-padding: 1rem;
  --modal-footer-border-width: 1px;
  --modal-footer-border-color: #dee2e6;
  --modal-footer-margin-between: 0.5rem;
  --modal-md: 500px;
  --modal-lg: 800px;
  --modal-xl: 1140px;
  --modal-backdrop-bg: #000;
  --modal-backdrop-opacity: 0.5;
}
body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--zindex-modal);
  display: none;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  outline: 0;
}

.modal-dialog {
  position: relative;
  width: auto;
  margin: var(--modal-dialog-margin);
  pointer-events: none;
}

.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
  transform: translate(0, -25%);
}

.modal.show .modal-dialog {
  transform: translate(0, 0);
}

.modal.modal-static .modal-dialog {
  transform: scale(1.02);
}

.modal-dialog-scrollable {
  height: calc(100% - calc(var(--modal-dialog-margin) * 2));
}

.modal-dialog-scrollable .modal-content {
  max-height: 100%;
  overflow: hidden;
}

.modal-dialog-scrollable .modal-body {
  overflow-y: auto;
}

.modal-dialog-centered {
  display: flex;
  align-items: center;
  min-height: calc(100% - calc(var(--modal-dialog-margin) * 2));
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  color: var(--modal-content-color);
  pointer-events: auto;
  background-color: var(--modal-content-bg);
  background-clip: padding-box;
  border: var(--modal-content-border-width) solid var(--modal-content-border-color);
  border-radius: var(--modal-border-radius);
  box-shadow: var(--modal-box-shadow);
  outline: 0;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--zindex-modal-backdrop);
  width: 100vw;
  height: 100vh;
  background-color: var(--modal-backdrop-bg);
}

.modal-backdrop.fade {
  opacity: 0;
}

.modal-backdrop.show {
  opacity: var(--modal-backdrop-opacity);
}

.modal-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: var(--modal-header-padding);
  border-bottom: var(--modal-header-border-width) solid var(--modal-header-border-color);
  border-top-left-radius: var(--modal-border-radius);
  border-top-right-radius: var(--modal-border-radius);
}

.modal-header .btn-close {
  padding: 0.5rem;
  margin-left: auto;
}

.modal-title {
  margin-bottom: 0;
  line-height: var(--modal-title-line-height);
}

.modal-body {
  position: relative;
  flex: 1 1 auto;
  padding: var(--modal-inner-padding);
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  align-items: center;
  justify-content: flex-end;
  padding: calc(var(--modal-inner-padding) - var(--modal-footer-margin-between) * 0.5);
  border-top: var(--modal-footer-border-width) solid var(--modal-footer-border-color);
  border-bottom-left-radius: var(--modal-border-radius);
  border-bottom-right-radius: var(--modal-border-radius);
}

.modal-footer > * {
  margin: calc(var(--modal-footer-margin-between) * 0.5);
}

/* Responsive Styles */
@media (min-width: 576px) {
  .modal-dialog {
    max-width: var(--modal-md);
    margin: 1.75rem auto;
  }

  .modal-dialog-scrollable {
    height: calc(100% - 3.5rem);
  }

  .modal-dialog-centered {
    min-height: calc(100% - 3.5rem);
  }

  .modal-content {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  }

  .modal-sm {
    max-width: 300px;
  }
}

@media (min-width: 992px) {
  .modal-lg,
  .modal-xl {
    max-width: var(--modal-lg);
  }
}

@media (min-width: 1200px) {
  .modal-xl {
    max-width: var(--modal-xl);
  }
}

/* Fullscreen modal for each breakpoint (basic fallback for now) */
.modal-fullscreen,
.modal-fullscreen-sm-down,
.modal-fullscreen-md-down,
.modal-fullscreen-lg-down,
.modal-fullscreen-xl-down {
  width: 100vw;
  max-width: none;
  height: 100%;
  margin: 0;
}

.modal-fullscreen .modal-content,
.modal-fullscreen-sm-down .modal-content,
.modal-fullscreen-md-down .modal-content,
.modal-fullscreen-lg-down .modal-content,
.modal-fullscreen-xl-down .modal-content {
  height: 100%;
  border: 0;
  border-radius: 0;
}

.modal-fullscreen .modal-header,
.modal-fullscreen-sm-down .modal-header,
.modal-fullscreen-md-down .modal-header,
.modal-fullscreen-lg-down .modal-header,
.modal-fullscreen-xl-down .modal-header,
.modal-fullscreen .modal-footer,
.modal-fullscreen-sm-down .modal-footer,
.modal-fullscreen-md-down .modal-footer,
.modal-fullscreen-lg-down .modal-footer,
.modal-fullscreen-xl-down .modal-footer {
  border-radius: 0;
}

.modal-fullscreen .modal-body,
.modal-fullscreen-sm-down .modal-body,
.modal-fullscreen-md-down .modal-body,
.modal-fullscreen-lg-down .modal-body,
.modal-fullscreen-xl-down .modal-body {
  overflow-y: auto;
}
.fade {
  transition: opacity 0.15s linear;
}
.fade:not(.show) {
  opacity: 0;
}
/* Collapse behavior */
.collapse:not(.show) {
  display: none;
}
.collapsing {
  height: 0;
  overflow: hidden;
  transition: height 0.35s ease;
}