/* ── Modal Dialog ──
 * Shared centered-panel style for command palette, forms, and dialogs.
 * Used by: search-popup, command-args-form, and any future centered modal.
 *
 * Structure:
 *   .modal-dialog-overlay        (backdrop)
 *   .modal-dialog                (centered panel)
 *     .modal-dialog-header       (title area, border-bottom)
 *     .modal-dialog-body         (scrollable content)
 *     .modal-dialog-footer       (actions / hints, border-top)
 *     .modal-dialog-input        (standard text input inside dialog)
 */

/* ── Overlay ── */
.modal-dialog-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--layer-modal, 1000) + 1);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: modal-dialog-fade-in 0.15s var(--ease-out-3, ease-out);
}

.modal-dialog-overlay.open {
  display: block;
}

@keyframes modal-dialog-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Panel ── */
.modal-dialog {
  display: none;
  position: fixed;
  top: 15vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: calc(var(--layer-modal, 1000) + 2);
  width: 520px;
  max-width: calc(100vw - 2rem);
  max-height: 70vh;
  overflow-y: auto;
  box-sizing: border-box;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-4, 16px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  padding: 0;
  font-size: initial;
  line-height: normal;
  text-align: left;
  animation: modal-dialog-slide-up 0.2s var(--ease-out-3, ease-out);
}

.modal-dialog.open {
  display: block;
}

/* Compact variant — narrower for small forms */
.modal-dialog.modal-dialog-compact {
  width: 400px;
}

@keyframes modal-dialog-slide-up {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

/* ── Header ── */
.modal-dialog-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal-dialog-title {
  font-weight: var(--weight-6);
  font-size: var(--text-2, 1.125rem);
  color: var(--text-primary);
}

.modal-dialog-desc {
  font-size: var(--text-0);
  color: var(--text-muted);
}

/* ── Body ── */
.modal-dialog-body {
  padding: var(--space-3) var(--space-4);
}

/* ── Footer ── */
.modal-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-border);
  gap: var(--space-2);
}

/* ── Input ── */
.modal-dialog-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2);
  background: var(--surface-input, var(--color-bg));
  color: var(--text-primary);
  font-size: var(--text-1);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s var(--ease-2);
}

.modal-dialog-input:focus {
  border-color: var(--color-active);
  box-shadow: 0 0 0 1px var(--color-active);
}

.modal-dialog-input::placeholder {
  color: var(--text-muted);
}

.modal-dialog-input.modal-dialog-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 1px var(--color-danger);
}

textarea.modal-dialog-input {
  resize: none;
  overflow: hidden;
  min-height: 1.6em;
  max-height: 8em;
  line-height: var(--leading-3);
  field-sizing: content;
}

/* ── Buttons ── */
.modal-dialog-btn {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-2);
  font-size: var(--text-0);
  font-family: inherit;
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: background 0.15s var(--ease-2);
}

.modal-dialog-btn-secondary {
  background: var(--surface-section);
  color: var(--text-muted);
}

.modal-dialog-btn-secondary:hover {
  background: var(--surface-hover);
}

.modal-dialog-btn-primary {
  background: var(--color-active);
  color: var(--text-on-badge);
  border-color: var(--color-active);
}

.modal-dialog-btn-primary:hover {
  opacity: 0.9;
}

/* ── Footer hints (keyboard shortcuts) ── */
.modal-dialog-hints {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-0);
  color: var(--text-muted);
}

.modal-dialog-hint {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.modal-dialog-hint kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1);
  background: var(--surface-input, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-1, 4px);
  font-size: var(--text-00, 11px);
  font-family: inherit;
  color: var(--text-muted);
  line-height: 1;
}

/* ── Field layout (for form dialogs) ── */
.modal-dialog-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal-dialog-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.modal-dialog-label {
  font-size: var(--text-0);
  font-weight: var(--weight-5);
  color: var(--text-muted);
}

.modal-dialog-required {
  color: var(--color-danger);
  margin-left: 0.15em;
}

/* ── Mention dropdown (inside form fields) ── */
.modal-dialog-mention-field {
  position: relative;
}

.modal-dialog-mention-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 10;
  margin: var(--space-1) 0 0;
  padding: var(--space-1) 0;
  list-style: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-2, 0 4px 12px rgba(0, 0, 0, 0.15));
  max-height: 160px;
  overflow-y: auto;
}

.modal-dialog-mention-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  font-size: var(--text-1);
  color: var(--text-primary);
}

.modal-dialog-mention-item:hover,
.modal-dialog-mention-item.active {
  background: var(--surface-hover);
}

.modal-dialog-mention-item .avatar {
  border-radius: var(--radius-round, 50%);
  flex-shrink: 0;
}

.modal-dialog-mention-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Scoped variant ──
 * When a container element is specified, the modal is rendered inside that
 * element instead of the full viewport. The container gets `position: relative`
 * so overlay + dialog stay contained within it.
 */
.modal-dialog-container {
  position: relative;
}

.modal-dialog-overlay--scoped {
  position: absolute;
  z-index: 1;                /* relative to the container, not the page */
  border-radius: inherit;    /* match container shape */
}

.modal-dialog--scoped {
  position: absolute;
  z-index: 2;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  max-height: 80%;
  animation: modal-dialog-scoped-slide 0.15s var(--ease-out-3, ease-out);
}

.modal-dialog--scoped.open {
  display: block;
}

@keyframes modal-dialog-scoped-slide {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .modal-dialog {
    width: calc(100vw - 2rem);
    top: 10vh;
    border-radius: var(--radius-3, 12px);
  }

  .modal-dialog--scoped {
    top: 10%;
  }

  .modal-dialog-hints {
    display: none;
  }
}