/* ==========================================================================
   THE KNIGHT CLUB — Super Admin: Course management (Phase 6)
   Tokens only (tokens.css). White surface, purple accent.
   ========================================================================== */

.page-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6); }
.page-head h1 { margin: 0; }

/* ---- Filter bar ---- */
.filters { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: var(--space-3); margin-bottom: var(--space-4); }
.filters .input { padding: 0.55rem 0.7rem; font-size: var(--font-size-sm); }

/* ---- Table ----
   Horizontal-scroll pattern (not column-stacking): on narrow viewports the
   table keeps its real column layout and scrolls sideways within its own
   card, instead of each row being reflowed into a stacked key/value block.
   This keeps 6-10 column tables (courses, orders, leads) scannable and
   avoids a different, bespoke mobile layout per table. */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* momentum scroll on iOS */
}
.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.table th {
  text-align: left;
  padding: var(--space-3);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table td { padding: var(--space-3); border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.table tbody tr { transition: background var(--duration-fast) var(--ease-standard); }
.table tbody tr:hover { background: var(--color-accent-50); }
.cell-title { font-weight: 600; color: var(--color-text); }
.cell-sub { color: var(--color-text-muted); font-size: 0.8125rem; }
.table-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.table.is-loading { opacity: 0.5; pointer-events: none; }

/* ---- Status / visibility badges ---- */
.badge-draft { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-published { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-archived { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.badge-public { background: var(--color-accent-50); color: var(--color-accent-700); }
.badge-private { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.badge-sm { font-size: 0.72rem; padding: 0.1rem 0.55rem; }

/* ---- States ---- */
.state-box { text-align: center; padding: var(--space-12) var(--space-4); color: var(--color-text-muted); }
.state-box h3 { color: var(--color-text); margin-bottom: var(--space-2); }

/* ---- Pagination ---- */
.pager { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-4); font-size: var(--font-size-sm); color: var(--color-text-muted); }
.pager-buttons { display: flex; gap: var(--space-2); align-items: center; }

/* ---- Buttons additions ---- */
.btn-danger { background: transparent; color: var(--color-error-text); border-color: var(--color-error-border); }
.btn-danger:hover { background: var(--color-error-bg); }
.btn-danger-solid { background: var(--color-error-text); color: var(--color-white); }
.btn-danger-solid:hover { background: var(--color-error-text-strong); }
.btn-link { background: none; border: 0; padding: 0; color: var(--color-accent-600); font: inherit; font-weight: 600; cursor: pointer; }
.btn-link:hover { text-decoration: underline; }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success-border); color: var(--color-success-text); }

/* ---- Form ---- */
.form-section { margin-bottom: var(--space-6); }
.form-section > h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-1); }
.form-section > .section-hint { color: var(--color-text-muted); font-size: var(--font-size-sm); margin: 0 0 var(--space-4); }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.form-row.three { grid-template-columns: repeat(3, 1fr); }
.field .hint { color: var(--color-text-muted); font-size: 0.8125rem; margin: 0; }
textarea.input { min-height: 7rem; resize: vertical; }
select.input { appearance: auto; }
.char-count { color: var(--color-text-muted); font-size: 0.75rem; text-align: right; }

/* Repeatable list (outcomes / requirements / audience) */
.list-editor { display: flex; flex-direction: column; gap: var(--space-2); }
.list-row { display: flex; gap: var(--space-2); }
.list-row .input { flex: 1; }

/* Tag input */
.tag-box { display: flex; flex-wrap: wrap; gap: var(--space-2); padding: var(--space-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.tag-box:focus-within { border-color: var(--color-accent-500); box-shadow: 0 0 0 3px var(--color-accent-100); }
.tag-box input { flex: 1; min-width: 8rem; border: 0; outline: none; font: inherit; padding: var(--space-1); background: transparent; }
.tag { display: inline-flex; align-items: center; gap: var(--space-1); background: var(--color-accent-50); color: var(--color-accent-700); border-radius: var(--radius-full); padding: 0.15rem 0.3rem 0.15rem 0.7rem; font-size: var(--font-size-sm); font-weight: 600; }
.tag button { border: 0; background: transparent; color: inherit; cursor: pointer; font-size: 1rem; line-height: 1; padding: 0 0.3rem; border-radius: var(--radius-full); }
.tag button:hover { background: var(--color-accent-100); }

/* Publishing panel + sticky action bar */
.publish-panel { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; justify-content: space-between; }
.publish-panel .state { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.action-bar { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-6); }
.future-note { border: 1px dashed var(--color-accent-300); background: var(--color-accent-50); color: var(--color-accent-700); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); font-size: var(--font-size-sm); }

/* ---- Confirmation dialog ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--overlay-violet-mid);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 50;
}
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 460px;
  width: 100%;
  /* Cap height to the viewport and let the modal itself become a flex
     column, so a tall body (e.g. the video panel) scrolls internally
     instead of pushing the modal off-screen or growing unbounded. */
  max-height: min(88vh, 860px);
  padding: 0;
  display: flex;
  flex-direction: column;
  animation: modal-in var(--duration-base) var(--ease-out);
}
.modal h3 {
  margin: 0;
  padding: var(--space-6) var(--space-6) var(--space-2);
  flex-shrink: 0;
}
.modal p { color: var(--color-text-muted); margin: 0 0 var(--space-6); }
.modal > p {
  padding: 0 var(--space-6);
  overflow-y: auto;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
  flex-shrink: 0;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .modal { animation: none; }
}

/* ---- Responsive ----
   Shared shell/filter/form breakpoints (sidebar collapse at 1024px, mobile
   padding, generic .filters/.form-row collapse at 640px) live in base.css —
   see "RESPONSIVE ARCHITECTURE" there. This page only needs its own
   5-column filter bar's tablet step, since base.css doesn't know this
   page's specific column count. */
@media (max-width: 1024px) { .filters { grid-template-columns: 1fr 1fr; } }

/* ==========================================================================
   Curriculum builder (Phase 7)
   ========================================================================== */

.curriculum-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); flex-wrap: wrap; }
.curriculum-toolbar h3 { margin: 0; }
#curriculum-section > .section-hint { margin-top: calc(-1 * var(--space-2)); }

.module-list { display: flex; flex-direction: column; gap: var(--space-3); }

.module-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.module-card.is-dragging { opacity: 0.5; }
.module-card.drag-over { border-color: var(--color-accent-500); box-shadow: 0 0 0 3px var(--color-accent-100); }

.module-head { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); cursor: pointer; }
.module-head:hover { background: var(--color-accent-50); }
.module-handle { cursor: grab; color: var(--color-text-muted); user-select: none; padding: 0 var(--space-1); }
.module-handle:active { cursor: grabbing; }
.module-title-wrap { flex: 1; min-width: 0; }
.module-title-wrap .cell-title { display: block; }
.module-order-badge { color: var(--color-text-muted); font-size: 0.75rem; font-weight: 600; min-width: 1.5rem; }
.module-caret { color: var(--color-text-muted); transition: transform 0.15s ease; }
.module-card.is-expanded .module-caret { transform: rotate(90deg); }
.module-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.module-body { border-top: 1px solid var(--color-border); padding: var(--space-4); display: none; }
.module-card.is-expanded .module-body { display: block; }

.lesson-list { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-3); }
.lesson-row { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface-alt); }
.lesson-row.is-dragging { opacity: 0.5; }
.lesson-row.drag-over { border-color: var(--color-accent-500); box-shadow: 0 0 0 3px var(--color-accent-100); }
.lesson-handle { cursor: grab; color: var(--color-text-muted); user-select: none; }
.lesson-handle:active { cursor: grabbing; }
.lesson-order-badge { color: var(--color-text-muted); font-size: 0.75rem; font-weight: 600; min-width: 1.25rem; }
.lesson-title-wrap { flex: 1; min-width: 0; display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.lesson-title-wrap .cell-title { font-weight: 600; }
.lesson-meta { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; font-size: 0.72rem; font-weight: 600; padding: 0.1rem 0.5rem; border-radius: var(--radius-full); background: var(--color-accent-50); color: var(--color-accent-700); }
.pill-muted { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.lesson-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

.curriculum-empty { text-align: center; padding: var(--space-6) var(--space-4); color: var(--color-text-muted); border: 1px dashed var(--color-border); border-radius: var(--radius-md); }
.curriculum-empty p { margin: 0 0 var(--space-3); }

.btn-xs { font-size: 0.75rem; padding: 0.3rem 0.6rem; }

/* Module / Lesson editor modal (reuses .modal-backdrop / .modal) */
.editor-modal { max-width: 560px; text-align: left; }
.editor-modal h3 { margin-bottom: 0; }
.editor-modal .section-hint { margin: 0 var(--space-6) var(--space-4); }

/* Everything between the title and the action bar is the SECOND child of
   .editor-modal (the `body` wrapper built in curriculum.js). That's the
   part that scrolls — the title and action bar stay put. */
.editor-modal > div {
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-4) var(--space-6) var(--space-6);
  min-height: 0; /* required for a flex child to actually shrink/scroll */
}

.editor-modal .field { margin-bottom: var(--space-4); }
.editor-modal .field:last-of-type { margin-bottom: 0; }
.editor-modal .checkbox-field { display: flex; align-items: center; gap: var(--space-2); }
.editor-modal .checkbox-field input { width: auto; }
.editor-modal p.hint { color: var(--color-text-muted); font-size: 0.8125rem; margin: 0 0 var(--space-3); }

/* The video panel can grow tall (thumbnail, metadata, progress bar,
   history list) — let it breathe inside the scrollable body rather than
   stretching the whole modal. */
.editor-modal .video-panel { margin-bottom: 0; }

@media (max-width: 640px) {
  .modal { max-height: 94vh; border-radius: var(--radius-md); }
  .modal h3 { padding: var(--space-4) var(--space-4) var(--space-2); }
  .modal > p { padding: 0 var(--space-4); }
  .modal-actions { padding: var(--space-3) var(--space-4); }
  .editor-modal > div { padding: var(--space-3) var(--space-4) var(--space-4); }
  .video-preview-modal .video-frame { margin: var(--space-4) var(--space-4) 0; }
  .video-preview-modal > .video-note { padding: 0 var(--space-4); }
  .module-head { flex-wrap: wrap; }
  .lesson-row { flex-wrap: wrap; }
  .lesson-actions { width: 100%; justify-content: flex-end; }
}

/* ==========================================================================
   Lesson video panel (Phase 8)
   ========================================================================== */

.video-panel { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); background: var(--color-surface-alt); margin-bottom: var(--space-4); }
.video-panel h4 { margin: 0 0 var(--space-3); font-size: var(--font-size-base); }
.video-head { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-3); }
.video-headline { font-weight: 600; }
.video-meta { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem var(--space-4); font-size: 0.8125rem; color: var(--color-text-muted); margin: 0 0 var(--space-3); }
.video-meta dt { font-weight: 600; }
.video-meta dd { margin: 0; color: var(--color-text); word-break: break-word; }
.video-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }
.video-note { font-size: 0.8125rem; color: var(--color-text-muted); margin: var(--space-2) 0 0; }
.video-thumb { width: 160px; max-width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface-sunken); margin-bottom: var(--space-3); display: block; }

.progress { height: 10px; border-radius: var(--radius-full); background: var(--color-track); overflow: hidden; margin: var(--space-2) 0; }
.progress > span { display: block; height: 100%; width: 0; background: var(--gradient-primary); transition: width var(--duration-base) var(--ease-standard); }
.progress.is-indeterminate > span { width: 40%; animation: progress-slide 1.2s ease-in-out infinite; }
@keyframes progress-slide { 0% { margin-left: -40%; } 100% { margin-left: 100%; } }
.progress-label { font-size: 0.8125rem; color: var(--color-text-muted); }

.badge-vs-not_attached, .badge-vs-none { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.badge-vs-initializing, .badge-vs-uploading, .badge-vs-uploaded, .badge-vs-processing { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-vs-ready { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-vs-failed { background: var(--color-error-bg); color: var(--color-error-text); }

.video-preview-modal { max-width: 860px; width: 92vw; }
/* .video-frame / .video-note here are direct children of .modal, which now
   ships zero padding by default (see .modal rule above) so the editor
   modal's scroll body can own its own padding — this modal needs its own. */
.video-preview-modal .video-frame { margin: var(--space-6) var(--space-6) 0; width: auto; }
.video-preview-modal > .video-note { padding: 0 var(--space-6); margin-top: var(--space-3); }
.video-frame { position: relative; aspect-ratio: 16 / 9; background: var(--color-black); border-radius: var(--radius-sm); overflow: hidden; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.video-pending { border-top: 1px dashed var(--color-border); margin-top: var(--space-4); padding-top: var(--space-4); }
.video-history summary { cursor: pointer; font-size: 0.8125rem; color: var(--color-text-muted); }
.video-history ul { list-style: none; margin: var(--space-2) 0 0; padding: 0; font-size: 0.8125rem; }
.video-history li { display: flex; gap: var(--space-2); align-items: center; padding: 0.25rem 0; flex-wrap: wrap; }
.video-file-input { display: none; }

@media (prefers-reduced-motion: reduce) {
  .progress > span { transition: none; }
  .progress.is-indeterminate > span { animation: none; width: 100%; opacity: 0.5; }
}

/* ==========================================================================
   Floating upload tray (Phase 8.2) — background video uploads across lessons
   ========================================================================== */

.upload-tray {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 340px;
  max-width: calc(100vw - var(--space-6) * 2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: 60;
  overflow: hidden;
}
.upload-tray-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-text-on-accent);
  cursor: pointer;
  user-select: none;
}
.upload-tray-title { font-weight: 600; font-size: 0.875rem; }
.upload-tray-toggle {
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
  font-size: 0.75rem;
  padding: var(--space-1);
  line-height: 1;
}
.upload-tray-list { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow-y: auto; }
.upload-tray-item { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border); }
.upload-tray-item-head { display: flex; flex-direction: column; gap: 0.125rem; margin-bottom: var(--space-2); }
.upload-tray-filename { font-size: 0.8125rem; font-weight: 600; color: var(--color-text); word-break: break-word; }
.upload-tray-lesson { font-size: 0.75rem; color: var(--color-text-muted); }
.upload-tray-item .progress { margin: var(--space-1) 0; }
.upload-tray-item-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.upload-tray-pct { font-size: 0.75rem; color: var(--color-text-muted); }

@media (max-width: 640px) {
  .upload-tray { left: var(--space-3); right: var(--space-3); bottom: var(--space-3); width: auto; }
}

/* ==========================================================================
   Category & Instructor management (Phase 8.1)
   ========================================================================== */

.filters.filters-catalog { grid-template-columns: 2fr 1fr 1fr auto; align-items: center; }
.badge-active { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-inactive { background: var(--color-surface-sunken); color: var(--color-text-muted); }
.cell-sub { word-break: break-word; max-width: 34rem; }
.state-box .btn { margin-top: var(--space-3); }

@media (max-width: 1024px) { .filters.filters-catalog { grid-template-columns: 1fr 1fr; } }

/* .sr-only is already defined in membership.css for that page; course-form.html
   does not link that stylesheet, so it is repeated here (same standard
   visually-hidden-but-accessible pattern, not a new convention). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Thumbnail upload (reuses the membership-page media-slot pattern;
   see assets/css/membership.css for the original). Sits beside the
   existing "Thumbnail reference" URL field in the course form. ---- */
.thumbnail-upload-slot {
  margin-top: var(--space-2);
}

.thumbnail-upload-preview {
  width: 100%;
  max-width: 14rem;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumbnail-upload-preview img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 10rem;
  object-fit: contain;
}

.thumbnail-upload-preview:empty,
.thumbnail-upload-preview.is-empty {
  display: none;
}

.thumbnail-upload-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-1);
}

.thumbnail-upload-label {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.thumbnail-upload-label[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

.thumbnail-upload-status {
  font-size: 0.8125rem;
  min-height: 1.25rem;
  margin: 0;
  color: var(--color-text-muted);
}

.thumbnail-upload-status.is-error   { color: var(--color-error-text); }
.thumbnail-upload-status.is-success { color: var(--color-success-text); }

@media (max-width: 640px) {
  .thumbnail-upload-preview { max-width: 100%; }
}