/**
 * Guanxiang centered dialog — locked template.
 * First instance: Cast “Save this cast?”
 * Reuse for sign-in, subscribe wall, and other confirms.
 *
 * Markup:
 *   <div class="gx-modal gx-modal--dialog" hidden>
 *     <div class="gx-modal__scrim" data-gx-modal-close></div>
 *     <div class="gx-modal__panel" role="dialog" aria-modal="true">
 *       <p class="gx-modal__eyebrow">…</p>
 *       <h2 class="gx-modal__title">…</h2>
 *       <p class="gx-modal__body">…</p>
 *       <div class="gx-modal__actions">
 *         <button type="button" class="btn btn-primary">…</button>
 *         <button type="button" class="btn btn-secondary">…</button>
 *       </div>
 *       <button type="button" class="gx-modal__ghost">…</button>
 *     </div>
 *   </div>
 *
 * Open: remove [hidden], add .is-open (next frame).
 * Motion: fade + translate3d only — no scale.
 * Surface: dark scrim + cream paper. Wide sheets omit --dialog.
 */

:root {
  --gx-dialog-width: 440px;
  --gx-dialog-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --gx-dialog-fade: 0.4s;
  --gx-dialog-rise: 0.46s;
  --gx-dialog-paper: var(--elevated, var(--gx-elevated, #f8f5ec));
  --gx-dialog-ink: var(--ink, var(--gx-ink, #0d1c14));
  --gx-dialog-display: var(--font-d, var(--gx-font-display, "Philosopher", serif));
  --gx-dialog-ui: var(--font-u, var(--gx-font-ui, "Josefin Sans", sans-serif));
}

.gx-modal[hidden] {
  display: none !important;
}

.gx-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  pointer-events: none;
}

.gx-modal.is-open {
  pointer-events: auto;
}

.gx-modal__scrim {
  position: absolute;
  inset: 0;
  background: rgba(8, 14, 11, 0.56);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity var(--gx-dialog-fade) var(--gx-dialog-ease);
}

.gx-modal.is-open .gx-modal__scrim {
  opacity: 1;
}

.gx-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 720px);
  max-height: min(86dvh, 720px);
  overflow: auto;
  border-radius: var(--r, 8px);
  padding: 36px 32px 28px;
  background: var(--gx-dialog-paper);
  color: var(--gx-dialog-ink);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.28);
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity var(--gx-dialog-fade) var(--gx-dialog-ease),
    transform var(--gx-dialog-rise) var(--gx-dialog-ease);
}

.gx-modal.is-open .gx-modal__panel {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.gx-modal:not(.is-open) .gx-modal__panel,
.gx-modal:not(.is-open) .gx-modal__scrim {
  transition-duration: 0.4s;
}

.gx-modal__eyebrow {
  margin: 0 0 8px;
  font-family: var(--gx-dialog-ui);
  font-size: var(--gx-kicker-size, 11px);
  font-weight: var(--gx-kicker-weight, 600);
  letter-spacing: var(--gx-kicker-tracking, 0.14em);
  text-transform: uppercase;
  color: var(--gx-kicker-color, rgba(13, 28, 20, 0.4));
}

.gx-modal__title {
  margin: 0 0 12px;
  font-family: var(--gx-dialog-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gx-dialog-ink);
}

.gx-modal__body {
  margin: 0 0 24px;
  max-width: 42ch;
  font-family: var(--gx-dialog-ui);
  font-size: 15px;
  line-height: 1.55;
  color: color-mix(in srgb, var(--gx-dialog-ink) 72%, transparent);
}

.gx-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.gx-modal__ghost {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 0;
  border: 0;
  background: none;
  font: 400 14px / 1.4 var(--gx-dialog-ui);
  color: color-mix(in srgb, var(--gx-dialog-ink) 45%, transparent);
  cursor: pointer;
  text-align: center;
}

.gx-modal__ghost:hover {
  color: color-mix(in srgb, var(--gx-dialog-ink) 78%, transparent);
}

/* Compact confirm — Save / auth / paywall */
.gx-modal--dialog .gx-modal__panel {
  width: min(100%, var(--gx-dialog-width));
  max-height: min(86dvh, 640px);
  overflow: auto;
  padding: 32px 28px 22px;
  border: 1px solid rgba(13, 28, 20, 0.1);
}

.gx-modal--dialog .gx-modal__title {
  font-size: 26px;
}

.gx-modal--dialog .gx-modal__body {
  margin-bottom: 22px;
}

.gx-modal--dialog .gx-modal__actions {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 10px;
}

.gx-modal--dialog .gx-modal__actions .btn,
.gx-modal--dialog .gx-dialog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--r, 8px);
  font: 600 15px / 1 var(--gx-dialog-ui);
  cursor: pointer;
  letter-spacing: 0;
}

.gx-modal--dialog .btn-primary,
.gx-modal--dialog .gx-dialog-btn--primary {
  background: var(--a3, #2a935f);
  color: var(--gx-dialog-paper);
}

.gx-modal--dialog .btn-secondary,
.gx-modal--dialog .gx-dialog-btn--secondary {
  background: var(--b2, #c8d086);
  color: var(--gx-dialog-ink);
}

.gx-modal--dialog .gx-modal__ghost {
  margin-top: 12px;
}

body.has-modal .site-header,
body.has-modal .gx-site-nav {
  pointer-events: none;
}

@media (max-width: 480px) {
  .gx-modal--dialog .gx-modal__panel {
    padding: 28px 22px 20px;
  }
  .gx-modal--dialog .gx-modal__title {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gx-modal__scrim,
  .gx-modal__panel {
    transition: none !important;
  }
}