/* ============================================================================
   CENTRALIZED MODAL COMPONENT SYSTEM
   ============================================================================
   
   This file defines all reusable modal/dialog styles across the application.
   Uses design tokens from /static/css/tokens/base.css
   
   Modal Structure:
   - .modal-overlay / .modal-root (backdrop)
   - .modal / .modal-dialog (container)
   - .modal-header / .modal-title
   - .modal-body / .modal-content
   - .modal-footer
   - .modal-close
   
   Modal Sizes:
   - .modal-sm (400px)
   - .modal-md (520px - default)
   - .modal-lg (720px)
   - .modal-xl (880px)
   - .modal-full (90vw)
   
   ============================================================================ */

/* ============================================================================
   MODAL OVERLAY / BACKDROP
   ============================================================================ */

.modal-overlay,
.modal-root,
#modal-root {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-base) var(--easing-smooth);
  backdrop-filter: blur(2px);
  padding: var(--space-4);
  pointer-events: none;
}

.modal-overlay.open,
.modal-overlay.is-open,
.modal-root.open,
#modal-root.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ============================================================================
   MODAL CONTAINER
   ============================================================================ */

.modal,
.modal-dialog,
.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--duration-base) var(--easing-smooth);
  animation: modalSlideIn var(--duration-base) var(--easing-smooth);
}

.modal-overlay.open .modal,
.modal-overlay.is-open .modal,
.modal-root.open .modal,
#modal-root.open .modal,
.modal-overlay.open .modal-dialog,
.modal-overlay.is-open .modal-dialog,
.modal-root.open .modal-dialog,
#modal-root.open .modal-dialog {
  transform: scale(1);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ============================================================================
   MODAL SIZES
   ============================================================================ */

/* Small Modal */
.modal-sm {
  width: 100%;
  max-width: 400px;
}

/* Medium Modal (Default) */
.modal-md,
.modal {
  width: 100%;
  max-width: 520px;
}

/* Large Modal */
.modal-lg {
  width: 100%;
  max-width: 720px;
}

/* Extra Large Modal */
.modal-xl {
  width: 100%;
  max-width: 880px;
}

/* Full Width Modal */
.modal-full {
  width: 100%;
  max-width: 90vw;
  max-height: 95vh;
}

/* Compact confirmation dialog, inspired by shadcn alert dialogs. */
#modal-root .confirm-modal {
  width: min(500px, calc(100vw - 32px));
  max-width: 500px;
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.24);
}

#modal-root .confirm-modal__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 24px 0;
  text-align: center;
}

#modal-root .confirm-modal__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}

#modal-root .confirm-modal__icon--danger {
  background: var(--color-danger-bg-subtle, rgba(239, 68, 68, 0.1));
  color: var(--color-danger, #ef4444);
}

#modal-root .confirm-modal__icon--success {
  background: var(--color-success-bg, rgba(34, 197, 94, 0.1));
  color: var(--color-success, #22c55e);
}

#modal-root .confirm-modal__icon--info,
#modal-root .confirm-modal__icon--edit {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

#modal-root .confirm-modal__icon svg {
  width: 24px;
  height: 24px;
}

#modal-root .confirm-modal__heading {
  min-width: 0;
  width: 100%;
  text-align: center;
}

#modal-root .confirm-modal__title {
  margin: 0;
  color: var(--color-text);
  font-size: 20px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
}

#modal-root .confirm-modal__description {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.55;
  text-align: center;
}

#modal-root .confirm-modal__details {
  margin: 18px 24px 0;
  padding: 14px 16px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.5;
}

#modal-root .confirm-modal__form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 18px 24px 24px;
}

#modal-root .confirmation-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

#modal-root .confirmation-field label {
  color: var(--color-text);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: 0;
}

#modal-root .confirmation-field input {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 14px;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
}

#modal-root .confirmation-field input:focus {
  border-color: var(--color-danger);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-danger-bg-subtle);
}

#modal-root .field-error {
  margin: 0;
  color: var(--color-danger-text);
  font-size: 12px;
  font-weight: 600;
}

#modal-root .confirm-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 2px;
}

#modal-root .confirm-modal__cancel,
#modal-root .confirm-modal__submit {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

#modal-root .confirm-modal__cancel {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

#modal-root .confirm-modal__cancel:hover {
  background: var(--color-bg);
}

#modal-root .confirm-modal__submit.btn-danger {
  border-color: var(--color-danger);
  background: var(--color-danger);
  color: #fff;
}

#modal-root .confirm-modal__submit.btn-danger:hover {
  background: var(--color-danger-text);
  border-color: var(--color-danger-text);
}

#modal-root .confirm-modal--danger-card {
  width: min(360px, calc(100vw - 32px));
  max-width: 360px;
  border-radius: 8px;
  border-color: color-mix(
    in oklab,
    var(--color-border-subtle) 78%,
    var(--color-text) 22%
  );
  background: var(--color-surface);
  box-shadow: 0 22px 70px rgba(15, 23, 42, 0.28);
}

#modal-root .confirm-modal--danger-card .confirm-modal__header {
  display: block;
  padding: 28px 28px 0;
}

#modal-root .confirm-modal--danger-card .confirm-modal__icon {
  display: none;
}

#modal-root .confirm-modal--danger-card .confirm-modal__title {
  font-size: 19px;
  font-weight: 750;
  line-height: 1.3;
}

#modal-root .confirm-modal--danger-card .confirm-modal__description {
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

#modal-root .confirm-modal--danger-card .confirm-modal__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 26px;
  row-gap: 18px;
  margin: 24px 28px 0;
}

#modal-root .confirm-modal--danger-card .confirm-modal__fact:first-child {
  grid-column: 1 / -1;
}

#modal-root .confirm-modal--danger-card .confirm-modal__fact {
  min-width: 0;
}

#modal-root .confirm-modal--danger-card .confirm-modal__fact-label {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: uppercase;
}

#modal-root .confirm-modal--danger-card .confirm-modal__fact-value {
  display: block;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#modal-root
  .confirm-modal--danger-card
  .confirm-modal__fact.is-warning
  .confirm-modal__fact-value {
  color: var(--color-warning-text);
}

#modal-root .confirm-modal--danger-card .confirm-modal__form {
  gap: 22px;
  padding: 28px 28px 32px;
}

#modal-root .confirm-modal--danger-card .confirmation-field {
  gap: 10px;
}

#modal-root .confirm-modal--danger-card .confirmation-field label {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

#modal-root .confirm-modal--danger-card .confirmation-field input {
  min-height: 48px;
  border-radius: 4px;
  border-color: var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 650;
}

#modal-root .confirm-modal--danger-card .confirmation-field input::placeholder {
  color: color-mix(in oklab, var(--color-text-muted) 45%, transparent);
  font-weight: 800;
}

#modal-root .confirm-modal--danger-card .field-error {
  color: var(--color-danger-text);
  font-size: 12px;
}

#modal-root .confirm-modal--danger-card .confirm-modal__footer {
  flex-direction: column-reverse;
  align-items: stretch;
  gap: 18px;
  margin-top: 0;
}

#modal-root .confirm-modal--danger-card .confirm-modal__submit,
#modal-root .confirm-modal--danger-card .confirm-modal__cancel {
  width: 100%;
  justify-content: center;
  min-height: 52px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 800;
}

#modal-root .confirm-modal--danger-card .confirm-modal__submit.btn-danger {
  border-color: color-mix(in oklab, var(--color-danger) 42%, white 58%);
  background: color-mix(in oklab, var(--color-danger) 38%, white 62%);
  color: var(--color-danger-text);
}

#modal-root
  .confirm-modal--danger-card
  .confirm-modal__submit.btn-danger:hover {
  border-color: color-mix(in oklab, var(--color-danger) 52%, white 48%);
  background: color-mix(in oklab, var(--color-danger) 48%, white 52%);
  color: var(--color-danger-text);
}

#modal-root .confirm-modal--danger-card .confirm-modal__cancel {
  min-height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0 16px;
}

#modal-root .confirm-modal--danger-card .confirm-modal__cancel:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

html[data-theme="dark"] #modal-root .confirm-modal--danger-card {
  border-color: #253044;
  background: #111827;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.44);
}

html[data-theme="dark"]
  #modal-root
  .confirm-modal--danger-card
  .confirmation-field
  input {
  border-color: #243047;
  background: #151e2f;
}

html[data-theme="dark"]
  #modal-root
  .confirm-modal--danger-card
  .confirm-modal__submit.btn-danger {
  border-color: #fca5a5;
  background: #fca5a5;
  color: #7f1d1d;
}

html[data-theme="dark"]
  #modal-root
  .confirm-modal--danger-card
  .confirm-modal__submit.btn-danger:hover {
  border-color: #fecaca;
  background: #fecaca;
  color: #7f1d1d;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) #modal-root .confirm-modal--danger-card {
    border-color: #253044;
    background: #111827;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.44);
  }

  html:not([data-theme])
    #modal-root
    .confirm-modal--danger-card
    .confirmation-field
    input {
    border-color: #243047;
    background: #151e2f;
  }

  html:not([data-theme])
    #modal-root
    .confirm-modal--danger-card
    .confirm-modal__submit.btn-danger {
    border-color: #fca5a5;
    background: #fca5a5;
    color: #7f1d1d;
  }

  html:not([data-theme])
    #modal-root
    .confirm-modal--danger-card
    .confirm-modal__submit.btn-danger:hover {
    border-color: #fecaca;
    background: #fecaca;
    color: #7f1d1d;
  }
}

@media (max-width: 420px) {
  #modal-root .confirm-modal--danger-card {
    width: min(100%, calc(100vw - 24px));
  }

  #modal-root .confirm-modal--danger-card .confirm-modal__header,
  #modal-root .confirm-modal--danger-card .confirm-modal__form {
    padding-left: 22px;
    padding-right: 22px;
  }

  #modal-root .confirm-modal--danger-card .confirm-modal__facts {
    grid-template-columns: 1fr;
    margin-left: 22px;
    margin-right: 22px;
  }
}

/* ============================================================================
   MODAL HEADER
   ============================================================================ */

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-bg);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  flex-wrap: wrap;
  min-height: 56px;
}

.modal-header-dense {
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
}

.modal-header-spacious {
  padding: var(--space-5) var(--space-6);
  min-height: 64px;
}

/* ============================================================================
   MODAL TITLE
   ============================================================================ */

.modal-title,
.modal-header h2,
.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  flex: 1;
}

.modal-title-sm {
  font-size: var(--font-size-base);
}

.modal-title-lg {
  font-size: 20px;
}

/* ============================================================================
   MODAL CLOSE BUTTON
   ============================================================================ */

.modal-close,
.modal-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 24px;
  cursor: pointer;
  transition: all var(--duration-base) var(--easing-smooth);
  flex-shrink: 0;
}

.modal-close:hover,
.modal-close-btn:hover {
  background: var(--color-border-subtle);
  border-color: var(--color-border);
  color: var(--color-text);
}

.modal-close:active,
.modal-close-btn:active {
  transform: scale(0.95);
}

.modal-close svg,
.modal-close-btn svg {
  fill: currentColor;
  display: block;
  flex-shrink: 0;
}

.modal-close--danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.15);
  border-radius: 8px;
}

.modal-close--danger:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #dc2626;
  border-color: rgba(239, 68, 68, 0.35);
}

/* ============================================================================
   MODAL BODY
   ============================================================================ */

.modal-body,
.modal-content-body {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  color: var(--color-text);
  overflow-y: auto;
}

.modal-body-dense {
  padding: var(--space-2) var(--space-3);
}

.modal-body-spacious {
  padding: var(--space-6) var(--space-6);
}

.modal-body p {
  margin: 0 0 var(--space-3) 0;
  line-height: 1.6;
}

.modal-body p:last-child {
  margin-bottom: 0;
}

.modal-body h4,
.modal-body h5 {
  margin: var(--space-3) 0 var(--space-2) 0;
  color: var(--color-text);
  font-weight: 600;
}

.modal-body h4:first-child,
.modal-body h5:first-child {
  margin-top: 0;
}

/* ============================================================================
   MODAL FOOTER
   ============================================================================ */

.modal-footer,
.modal-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  flex-wrap: wrap;
  min-height: 56px;
}

.modal-footer-dense {
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
}

.modal-footer-spacious {
  padding: var(--space-5) var(--space-6);
  min-height: 64px;
}

.modal-footer-start {
  justify-content: flex-start;
}

.modal-footer-center {
  justify-content: center;
}

.modal-footer-between {
  justify-content: space-between;
}

/* ============================================================================
   MODAL SECTIONS & DIVIDERS
   ============================================================================ */

.modal-section {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.modal-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2);
}

.modal-divider {
  height: 1px;
  background: var(--color-border-subtle);
  margin: var(--space-3) 0;
}

/* ============================================================================
   MODAL STATES
   ============================================================================ */

/* Loading Modal */
.modal-loading {
  pointer-events: none;
  opacity: 0.8;
}

.modal-loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Error State */
.modal-error .modal-header {
  background: rgba(239, 68, 68, 0.1);
  border-bottom-color: #ef4444;
}

.modal-error .modal-title {
  color: #ef4444;
}

/* Success State */
.modal-success .modal-header {
  background: rgba(16, 185, 129, 0.1);
  border-bottom-color: #10b981;
}

.modal-success .modal-title {
  color: #10b981;
}

/* Warning State */
.modal-warning .modal-header {
  background: rgba(245, 158, 11, 0.1);
  border-bottom-color: #f59e0b;
}

.modal-warning .modal-title {
  color: #f59e0b;
}

/* ============================================================================
   MODAL ALERT STYLES
   ============================================================================ */

.modal-alert {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--color-accent-contrast);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  align-items: flex-start;
}

.modal-alert-icon {
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1.5;
}

.modal-alert-content {
  flex: 1;
}

.modal-alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.modal-alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.modal-alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

/* ============================================================================
   MODAL FORM
   ============================================================================ */

.modal .form-group {
  margin-bottom: var(--space-3);
}

.modal .form-group:last-child {
  margin-bottom: 0;
}

.modal .form-actions {
  margin-top: var(--space-4);
  padding-top: 0;
  border-top: none;
}

/* ============================================================================
   RESPONSIVE MODAL
   ============================================================================ */

@media (max-width: 640px) {
  .modal-overlay,
  .modal-root,
  #modal-root {
    padding: var(--space-2);
  }

  .modal,
  .modal-dialog {
    max-height: 95vh;
    border-radius: var(--radius-md);
  }

  .modal-sm,
  .modal-md,
  .modal-lg,
  .modal-xl {
    max-width: 100% !important;
  }

  .modal-header,
  .modal-footer {
    padding: var(--space-3) var(--space-4);
  }

  .modal-body {
    padding: var(--space-3) var(--space-4);
  }

  .modal-title {
    font-size: var(--font-size-base);
  }

  .modal-close {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .modal-footer {
    flex-direction: column;
    justify-content: stretch;
  }

  .modal-footer .btn,
  .modal-footer .button {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================================
   DARK MODE ADJUSTMENTS
   ============================================================================ */

html[data-theme="dark"] .modal,
html[data-theme="dark"] .modal-dialog {
  background: var(--color-surface);
  border-color: var(--color-border);
}

html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-footer {
  background: var(--color-bg);
  border-color: var(--color-border);
}

html[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.7);
}

html[data-theme="dark"] .modal-close:hover {
  background: var(--color-surface);
  border-color: var(--color-border);
}

html[data-theme="dark"] .modal-alert {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
}

/* System preference dark mode support */
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .modal,
  html:not([data-theme]) .modal-dialog {
    background: var(--color-surface);
    border-color: var(--color-border);
  }

  html:not([data-theme]) .modal-header,
  html:not([data-theme]) .modal-footer {
    border-color: var(--color-border);
  }

  html:not([data-theme]) .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
  }

  html:not([data-theme]) .modal-close:hover {
    background: var(--color-surface);
    border-color: var(--color-border);
  }

  html:not([data-theme]) .modal-alert {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
  }
}

/* ============================================================================
   STATUS MODAL
   ============================================================================ */

.confirm-modal__body {
  padding: var(--space-4) var(--space-5);
}

.status-select-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.status-select-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  cursor: pointer;
}

.status-select-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-light);
}

.select-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}

.select-wrapper .status-select-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  padding-right: 30px;
}

.select-arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-text-muted);
  font-size: 12px;
}