/* =========================================================================
   Flashcards tool
   ========================================================================= */

.fc { display: flex; flex-direction: column; height: 100%; min-height: 0; overflow-y: auto; overflow-x: hidden; }

/* ---------- COLLECTIONS DASHBOARD ---------- */
.fc-dash { padding: 24px 28px 40px; max-width: 1280px; margin: 0 auto; width: 100%; }
.fc-dash-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 24px; flex-wrap: wrap;
}
.fc-dash-head h2 {
  font-size: 26px; font-weight: 700; color: var(--text-hi);
  letter-spacing: -0.02em; margin: 0;
}
.fc-dash-head p { color: var(--text-muted); font-size: 13px; margin: 4px 0 0; }
.fc-dash-actions { display: flex; gap: 8px; }

.fc-dash-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 24px;
}
.fc-statcard {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.fc-statcard .material-symbols-outlined {
  font-size: 22px; padding: 8px;
  background: rgba(255,255,255,0.03);
  border-radius: 10px; color: var(--text-lo);
}
.fc-statcard.is-due .material-symbols-outlined {
  color: var(--color-primary);
  background: rgba(var(--primary-rgb, 127,13,242), 0.1);
}
.fc-statcard .v { font-size: 22px; font-weight: 700; color: var(--text-hi); font-variant-numeric: tabular-nums; line-height: 1.05; }
.fc-statcard .l { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }

.fc-dash-filter {
  display: flex; gap: 6px; align-items: center;
  padding-bottom: 12px; margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.fc-search {
  position: relative; flex: 1; min-width: 200px;
}
.fc-search input {
  width: 100%; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 10px;
  padding: 9px 12px 9px 36px; font-size: 13px; font-family: inherit;
  color: var(--text-hi); outline: none;
}
.fc-search input:focus { border-color: var(--color-primary); }
.fc-search > .material-symbols-outlined { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 18px; }

.fc-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px;
}
.fc-coll-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 16px; min-height: 168px;
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 16px;
  text-align: left; font-family: inherit; cursor: pointer;
  transition: border-color 150ms, transform 150ms;
  position: relative;
}
.fc-coll-card:hover { border-color: rgba(var(--primary-rgb, 127,13,242), 0.35); transform: translateY(-1px); }
.fc-coll-card.is-archived { opacity: 0.55; }
.fc-coll-card .fc-cc-head {
  display: flex; align-items: flex-start; gap: 10px; min-width: 0;
}
.fc-coll-card .fc-cc-icon {
  flex: none; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb, 127,13,242), 0.25), rgba(var(--primary-rgb, 127,13,242), 0.05));
  color: var(--color-primary);
}
.fc-coll-card .fc-cc-title { font-weight: 600; color: var(--text-hi); font-size: 15px; line-height: 1.25; }
.fc-coll-card .fc-cc-sub { color: var(--text-muted); font-size: 11px; margin-top: 2px; }
.fc-coll-card .fc-cc-desc { color: var(--text-md); font-size: 12px; line-height: 1.4; flex: 1; }
.fc-coll-card .fc-cc-meta { display: flex; gap: 14px; align-items: center; padding-top: 8px; border-top: 1px solid var(--color-border); font-size: 11px; color: var(--text-muted); }
.fc-coll-card .fc-cc-meta b { color: var(--text-hi); font-weight: 600; font-variant-numeric: tabular-nums; }
.fc-coll-card .fc-cc-due {
  color: var(--color-primary); font-weight: 600;
  padding: 2px 8px; border-radius: 999px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.12);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.3);
}
.fc-coll-card .fc-cc-due.is-zero { background: rgba(255,255,255,0.04); color: var(--text-muted); border-color: var(--color-border); }
.fc-coll-card .fc-cc-pin { position: absolute; top: 10px; right: 10px; }

/* ---------- COLLECTION DETAIL ---------- */
.fc-detail { padding: 20px 28px 40px; max-width: 1480px; margin: 0 auto; width: 100%; }
.fc-detail-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-muted);
  background: transparent; border: 0; padding: 0;
  cursor: pointer; font-family: inherit;
  margin-bottom: 8px;
}
.fc-detail-back:hover { color: var(--text-hi); }
.fc-detail-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px; margin-bottom: 20px; flex-wrap: wrap;
}
.fc-detail-head h2 {
  font-size: 22px; font-weight: 700; color: var(--text-hi);
  letter-spacing: -0.01em; margin: 0;
}
.fc-detail-head .fc-detail-sub {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 12px; margin-top: 4px;
  flex-wrap: wrap;
}
.fc-detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.fc-detail-bar {
  display: flex; gap: 12px; align-items: center;
  margin-bottom: 12px; flex-wrap: wrap;
}
.fc-detail-bar .fc-search { flex: 1; min-width: 240px; max-width: 420px; }
.fc-bulk { display: flex; gap: 8px; align-items: center;
  padding: 8px 12px; background: rgba(var(--primary-rgb, 127,13,242), 0.08);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.2);
  border-radius: 10px; font-size: 12px; color: var(--text-hi);
}

/* Card table */
.fc-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
}
.fc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.fc-table thead th {
  text-align: left; padding: 9px 12px;
  font-size: 10px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.fc-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--text-md);
  vertical-align: top;
}
.fc-table tbody tr:last-child td { border-bottom: 0; }
.fc-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.fc-table tbody tr.is-selected { background: rgba(var(--primary-rgb, 127,13,242), 0.07); }
.fc-table tbody tr.is-due td:first-child { box-shadow: inset 3px 0 0 var(--color-primary); }
.fc-table-prompt { font-weight: 600; color: var(--text-hi); }
.fc-table-row-actions { white-space: nowrap; text-align: right; }
.fc-table-check { width: 32px; }
.fc-table-check input { accent-color: var(--color-primary); cursor: pointer; }
.fc-table.is-compact tbody td { padding: 6px 10px; }
.fc-due-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  background: rgba(var(--primary-rgb, 127,13,242), 0.14);
  color: var(--color-primary);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.25);
}
.fc-due-pill.is-soon { background: rgba(251,191,36,0.12); color: #fcd34d; border-color: rgba(251,191,36,0.3); }
.fc-due-pill.is-later { background: rgba(255,255,255,0.04); color: var(--text-muted); border-color: var(--color-border); }
.fc-due-pill.is-new { background: rgba(96,165,250,0.10); color: #93c5fd; border-color: rgba(96,165,250,0.25); }

/* ---------- SCHEMA BUILDER ---------- */
.fc-builder { max-width: 880px; margin: 0 auto; padding: 24px 28px 60px; width: 100%; }
.fc-builder-header h2 { font-size: 22px; font-weight: 700; color: var(--text-hi); letter-spacing: -0.01em; margin: 0 0 4px; }
.fc-builder-header p { color: var(--text-muted); font-size: 13px; margin: 0 0 20px; }
.fc-step { margin-bottom: 28px; }
.fc-step-label {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px;
}
.fc-step h3 { font-size: 16px; font-weight: 600; color: var(--text-hi); margin: 0 0 12px; }

.fc-form-row { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.fc-form-row > * { flex: 1; min-width: 160px; }
.fc-input, .fc-textarea, .fc-select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-hi);
  font-family: inherit; font-size: 13px;
  outline: none; width: 100%; box-sizing: border-box;
}
.fc-input:focus, .fc-textarea:focus, .fc-select:focus { border-color: var(--color-primary); }
.fc-textarea { min-height: 60px; resize: vertical; line-height: 1.45; }
.fc-label {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  display: block; margin-bottom: 6px;
}

.fc-templates { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.fc-template {
  display: flex; flex-direction: column; gap: 6px; text-align: left;
  padding: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer; font-family: inherit;
  transition: border-color 120ms;
}
.fc-template:hover { border-color: rgba(var(--primary-rgb, 127,13,242), 0.35); }
.fc-template.is-active { border-color: var(--color-primary); background: rgba(var(--primary-rgb, 127,13,242), 0.06); }
.fc-template-head { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text-hi); font-size: 13px; }
.fc-template-head .material-symbols-outlined { font-size: 18px; color: var(--color-primary); }
.fc-template-desc { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

.fc-fields-list { display: flex; flex-direction: column; gap: 8px; }
.fc-field-row {
  display: grid;
  grid-template-columns: auto 1.4fr 1fr auto auto;
  gap: 8px; align-items: center;
  padding: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}
.fc-field-row .fc-field-handle {
  display: flex; flex-direction: column; padding: 2px; color: var(--text-faint);
}
.fc-field-row .fc-field-handle button {
  background: transparent; border: 0; cursor: pointer; padding: 0;
  color: var(--text-faint); display: flex;
}
.fc-field-row .fc-field-handle button:hover { color: var(--color-primary); }
.fc-field-row .fc-field-handle .material-symbols-outlined { font-size: 14px; line-height: 1; }
.fc-field-row .fc-field-role {
  display: flex; gap: 4px;
}
.fc-field-role button {
  background: transparent; border: 1px solid var(--color-border);
  color: var(--text-muted); padding: 4px 8px; border-radius: 6px;
  font-size: 10px; font-weight: 700; cursor: pointer; font-family: inherit;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.fc-field-role button.is-prompt { background: rgba(var(--primary-rgb, 127,13,242), 0.18); color: var(--color-primary); border-color: rgba(var(--primary-rgb, 127,13,242), 0.4); }
.fc-field-role button.is-answer { background: rgba(52,211,153,0.14); color: #6ee7b7; border-color: rgba(52,211,153,0.3); }
.fc-field-row .lh-iconbtn { width: 28px; height: 28px; }
.fc-field-options { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px 0 0 36px; font-size: 11px; color: var(--text-muted); }
.fc-field-options .fc-chip { padding: 2px 8px; background: rgba(255,255,255,0.04); border-radius: 999px; border: 1px solid var(--color-border); }
.fc-field-add {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  background: transparent;
  border: 1px dashed var(--color-border);
  color: var(--text-muted);
  border-radius: 10px; padding: 10px;
  font-family: inherit; font-size: 12px; cursor: pointer;
}
.fc-field-add:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(var(--primary-rgb, 127,13,242), 0.04); }

.fc-roles-summary {
  display: flex; gap: 16px; padding: 12px 14px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.05);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.2);
  border-radius: 12px; font-size: 12px; color: var(--text-md);
  flex-wrap: wrap;
}
.fc-roles-summary b { color: var(--text-hi); }

.fc-builder-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; padding-top: 16px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

/* ---------- CARD EDITOR ---------- */
.fc-card-form { display: flex; flex-direction: column; gap: 14px; }
.fc-card-field { display: flex; flex-direction: column; gap: 6px; }
.fc-card-field-head { display: flex; align-items: center; gap: 6px; }
.fc-card-field-head .material-symbols-outlined { font-size: 14px; color: var(--text-faint); }
.fc-card-field-head .fc-field-required { color: var(--color-error, #f87171); margin-left: 2px; }
.fc-card-field-hint { font-size: 11px; color: var(--text-faint); }
.fc-tags-input {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 6px; min-height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: text;
}
.fc-tags-input:focus-within { border-color: var(--color-primary); }
.fc-tag-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.3);
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
}
.fc-tag-chip button {
  background: transparent; border: 0; cursor: pointer; color: inherit; display: flex; padding: 0;
}
.fc-tag-chip .material-symbols-outlined { font-size: 12px; }
.fc-tags-input input {
  flex: 1; min-width: 60px;
  background: transparent; border: 0; outline: none;
  font-family: inherit; font-size: 12px; color: var(--text-hi); padding: 4px;
}
.fc-image-drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 16px;
  border: 1px dashed var(--color-border); border-radius: 10px;
  color: var(--text-muted); font-size: 12px;
  background: rgba(255,255,255,0.02); cursor: pointer; min-height: 80px;
  text-align: center;
}
.fc-image-drop.is-over { border-color: var(--color-primary); color: var(--color-primary); background: rgba(var(--primary-rgb, 127,13,242), 0.05); }
.fc-image-drop img { max-height: 140px; max-width: 100%; border-radius: 8px; }
.fc-image-drop .material-symbols-outlined { font-size: 28px; }
.fc-media-preview { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fc-media-preview audio { max-width: 320px; }

/* ---------- STUDY SESSION ---------- */
.fc-study {
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  height: 100%; min-height: 0; padding: 32px 28px;
  position: relative;
}
.fc-study-bar {
  display: flex; align-items: center; gap: 12px; width: 100%; max-width: 720px;
  margin-bottom: 28px;
}
.fc-study-progress {
  flex: 1; height: 4px; background: rgba(255,255,255,0.06);
  border-radius: 2px; overflow: hidden;
}
.fc-study-progress > div {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width 250ms ease;
}
.fc-study-meta { font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.fc-study-meta b { color: var(--text-hi); }

.fc-card-stage {
  flex: 1; width: 100%; max-width: 720px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 0; gap: 24px;
}
.fc-card {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 40px 36px;
  display: flex; flex-direction: column; gap: 20px;
  min-height: 320px;
  min-width: 0;
  position: relative;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.fc-card-prompt-label, .fc-card-answer-label {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.12em;
}
.fc-card-prompt {
  font-size: 32px; font-weight: 600; color: var(--text-hi);
  line-height: 1.2; text-align: center;
  padding: 12px 0;
}
.fc-card-answer { display: flex; flex-direction: column; gap: 12px; }
.fc-card-answer-field { padding-bottom: 12px; border-bottom: 1px dashed var(--color-border); }
.fc-card-answer-field:last-child { border-bottom: 0; }
.fc-card-answer-field .label { font-size: 10px; text-transform: uppercase; color: var(--text-faint); letter-spacing: 0.08em; margin-bottom: 4px; }
.fc-card-answer-field .value { color: var(--text-hi); font-size: 16px; line-height: 1.5; }
.fc-card-answer-field .value.is-long { font-size: 15px; color: var(--text-md); }
.fc-card-answer-field img { max-height: 180px; max-width: 100%; border-radius: 10px; }
.fc-card-divider {
  height: 1px; background: var(--color-border); margin: 4px 0;
}

.fc-flip-wrap { perspective: 1400px; width: 100%; }
.fc-flip {
  display: grid;
  grid-template-areas: "card";
  width: 100%;
  transform-style: preserve-3d;
  transition: transform 480ms cubic-bezier(.6,-0.1,.4,1.2);
}
.fc-flip.is-revealed { transform: rotateY(180deg); }
.fc-flip > .fc-card {
  grid-area: card;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.fc-flip > .fc-card.is-back { transform: rotateY(180deg); }
/* fade variant */
.fc-fade-wrap { position: relative; width: 100%; }
.fc-fade-card { transition: opacity 220ms ease; }
/* slide variant */
.fc-slide-wrap { position: relative; width: 100%; overflow: hidden; }
.fc-slide-card { transition: transform 320ms ease, opacity 220ms ease; }
.fc-slide-card.is-out { transform: translateY(-10px); opacity: 0; }
.fc-slide-card.is-in  { transform: translateY(10px); opacity: 0; }

.fc-reveal-btn {
  background: rgba(var(--primary-rgb, 127,13,242), 0.10);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.3);
  color: var(--color-primary);
  padding: 12px 28px; border-radius: 12px;
  font-family: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
  display: inline-flex; align-items: center; gap: 8px;
  align-self: center;
}
.fc-reveal-btn:hover { background: rgba(var(--primary-rgb, 127,13,242), 0.18); }
.fc-reveal-btn kbd {
  background: rgba(255,255,255,0.08); padding: 1px 6px; border-radius: 4px;
  font-size: 10px; color: var(--text-md); border: 1px solid var(--color-border);
}

.fc-rating { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; width: 100%; max-width: 720px; }
.fc-rate-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-family: inherit; cursor: pointer; color: var(--text-hi);
  transition: border-color 120ms, background 120ms, transform 80ms;
}
.fc-rate-btn:active { transform: scale(0.98); }
.fc-rate-btn .label { font-size: 13px; font-weight: 600; }
.fc-rate-btn .interval { font-size: 10px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.fc-rate-btn .kbd-hint { font-size: 9px; color: var(--text-faint); margin-top: 2px; letter-spacing: 0.04em; }
.fc-rate-btn.r-again { border-color: rgba(248,113,113,0.25); }
.fc-rate-btn.r-again:hover { border-color: #f87171; background: rgba(248,113,113,0.08); color: #fca5a5; }
.fc-rate-btn.r-hard:hover  { border-color: #fbbf24; background: rgba(251,191,36,0.08); color: #fcd34d; }
.fc-rate-btn.r-good:hover  { border-color: var(--color-primary); background: rgba(var(--primary-rgb, 127,13,242), 0.08); color: var(--color-primary); }
.fc-rate-btn.r-easy:hover  { border-color: #34d399; background: rgba(52,211,153,0.08); color: #6ee7b7; }

.fc-study-done {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: 60px 24px; text-align: center;
}
.fc-study-done .big {
  width: 72px; height: 72px; border-radius: 22px;
  background: rgba(52,211,153,0.12); color: #6ee7b7;
  display: flex; align-items: center; justify-content: center;
}
.fc-study-done .big .material-symbols-outlined { font-size: 36px; }
.fc-study-done h2 { font-size: 22px; color: var(--text-hi); margin: 0; }
.fc-study-done p { color: var(--text-muted); font-size: 13px; max-width: 360px; }
.fc-study-done .row { display: flex; gap: 8px; }
.fc-study-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; max-width: 560px; width: 100%; margin: 12px auto 0; }
.fc-study-summary .cell { padding: 10px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; }
.fc-study-summary .cell .v { font-size: 18px; font-weight: 700; color: var(--text-hi); font-variant-numeric: tabular-nums; }
.fc-study-summary .cell .l { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.fc-study-summary .cell.r-again .v { color: #fca5a5; }
.fc-study-summary .cell.r-hard  .v { color: #fcd34d; }
.fc-study-summary .cell.r-good  .v { color: var(--color-primary); }
.fc-study-summary .cell.r-easy  .v { color: #6ee7b7; }

/* ---------- IMPORT WIZARD ---------- */
.fc-import { max-width: 1100px; margin: 0 auto; padding: 24px 28px 60px; width: 100%; }
.fc-import-steps {
  display: flex; gap: 4px; margin-bottom: 24px;
}
.fc-import-step {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 12px; color: var(--text-muted);
}
.fc-import-step .n {
  width: 20px; height: 20px; border-radius: 999px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--text-md);
}
.fc-import-step.is-active { color: var(--color-primary); border-color: rgba(var(--primary-rgb, 127,13,242), 0.4); background: rgba(var(--primary-rgb, 127,13,242), 0.08); }
.fc-import-step.is-active .n { background: var(--color-primary); color: white; }
.fc-import-step.is-done { color: var(--text-md); }
.fc-import-step.is-done .n { background: rgba(52,211,153,0.18); color: #6ee7b7; }

.fc-dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; min-height: 240px; padding: 32px;
  border: 2px dashed var(--color-border); border-radius: 18px;
  text-align: center;
  background: rgba(255,255,255,0.015);
  cursor: pointer;
  transition: border-color 150ms, background 150ms;
}
.fc-dropzone:hover, .fc-dropzone.is-over {
  border-color: var(--color-primary);
  background: rgba(var(--primary-rgb, 127,13,242), 0.05);
}
.fc-dropzone .icon-wrap {
  width: 56px; height: 56px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.1);
  color: var(--color-primary);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
}
.fc-dropzone .icon-wrap .material-symbols-outlined { font-size: 28px; }
.fc-dropzone h3 { color: var(--text-hi); font-size: 16px; margin: 0; }
.fc-dropzone p { color: var(--text-muted); font-size: 12px; margin: 0; }

.fc-mapper-row {
  display: grid; grid-template-columns: 1fr 32px 1fr; gap: 12px; align-items: center;
  padding: 10px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 6px;
}
.fc-mapper-row .col-sample {
  display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.fc-mapper-row .col-name { font-weight: 600; color: var(--text-hi); font-size: 12px; }
.fc-mapper-row .col-sample-text { font-size: 11px; color: var(--text-muted); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.fc-mapper-row .arrow { color: var(--text-faint); display: flex; justify-content: center; }
.fc-mapper-summary {
  display: flex; gap: 12px; padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px; margin-top: 14px; font-size: 12px;
  flex-wrap: wrap; align-items: center;
}
.fc-mapper-summary .pip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 999px; font-size: 11px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--color-border);
}
.fc-mapper-summary .pip.is-ok { color: #6ee7b7; background: rgba(52,211,153,0.1); border-color: rgba(52,211,153,0.25); }
.fc-mapper-summary .pip.is-warn { color: #fcd34d; background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.25); }
.fc-mapper-summary .pip.is-error { color: #fca5a5; background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.25); }

.fc-preview-table {
  overflow-x: auto;
  border: 1px solid var(--color-border); border-radius: 10px;
  background: var(--color-surface);
}
.fc-preview-table table { width: 100%; border-collapse: collapse; font-size: 12px; min-width: 600px; }
.fc-preview-table th {
  text-align: left; padding: 8px 10px;
  font-size: 10px; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.08em; border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}
.fc-preview-table td { padding: 6px 10px; border-bottom: 1px solid var(--color-border); color: var(--text-md); }
.fc-preview-table tr:last-child td { border-bottom: 0; }
.fc-preview-table td.is-empty { color: var(--text-faint); font-style: italic; }
.fc-preview-table td.is-error { color: #fca5a5; }

.fc-import-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px;
  flex-wrap: wrap; gap: 12px;
}

/* ---------- EMPTY STATES ---------- */
.fc-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 60px 24px; text-align: center;
}
.fc-empty .icon-wrap {
  width: 64px; height: 64px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.08);
  color: var(--color-primary);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
}
.fc-empty .icon-wrap .material-symbols-outlined { font-size: 32px; }
.fc-empty h3 { color: var(--text-hi); font-size: 18px; margin: 0; font-weight: 600; }
.fc-empty p { color: var(--text-muted); font-size: 13px; max-width: 360px; margin: 0; }
.fc-empty .row { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; justify-content: center; }

/* Modals (card edit, etc) */
.fc-callout {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
  display: flex; gap: 8px; align-items: flex-start;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--text-md);
}
.fc-callout > .material-symbols-outlined { font-size: 16px; flex: none; margin-top: 1px; }
.fc-callout ul { margin: 0; padding-left: 18px; }
.fc-callout li + li { margin-top: 2px; }
.fc-callout.is-warn {
  background: rgba(217, 119, 6, 0.10);
  border-color: rgba(217, 119, 6, 0.35);
  color: #fbbf24;
}
html.light .fc-callout.is-warn { color: #92400e; background: rgba(217, 119, 6, 0.12); border-color: rgba(217, 119, 6, 0.4); }
.fc-callout.is-warn > .material-symbols-outlined { color: inherit; }
.fc-callout.is-error {
  background: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.3);
  color: #fca5a5;
}
html.light .fc-callout.is-error { color: #991b1b; background: rgba(248, 113, 113, 0.12); border-color: rgba(248, 113, 113, 0.4); }

/* ---------- Modals (card edit, etc) ---------- */
.fc-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 24px;
}
.fc-modal {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.fc-modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.fc-modal-head h3 { font-size: 16px; font-weight: 600; color: var(--text-hi); margin: 0; flex: 1; }
.fc-modal-body { padding: 18px 20px; }
.fc-modal-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  gap: 8px;
}

/* Responsive */
@media (max-width: 720px) {
  .fc-dash-stats { grid-template-columns: repeat(2, 1fr); }
  .fc-grid { grid-template-columns: 1fr; }
  .fc-card-prompt { font-size: 24px; }
  .fc-rating { grid-template-columns: repeat(2, 1fr); }
  .fc-field-row { grid-template-columns: auto 1fr auto auto; }
  .fc-field-row .fc-field-role { grid-column: 2 / -1; padding-top: 4px; }
  .fc-mapper-row { grid-template-columns: 1fr; }
  .fc-mapper-row .arrow { display: none; }
}

/* =========================================================================
   Home widget — Flash review
   ========================================================================= */
.w-fc { display: flex; flex-direction: column; gap: 12px; padding: 4px 2px; }
.w-fc-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text-muted);
}
.w-fc-coll {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.2);
  border-radius: 999px;
  padding: 3px 10px 3px 8px;
  font-size: 11px; font-weight: 500;
  cursor: pointer; font-family: inherit;
}
.w-fc-coll:hover { background: rgba(var(--primary-rgb, 127,13,242), 0.14); }
.w-fc-coll .material-symbols-outlined { font-size: 13px; }
.w-fc-progress { margin-left: auto; font-variant-numeric: tabular-nums; }
.w-fc-progress b { color: var(--text-hi); font-weight: 600; }

.w-fc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px 18px;
  min-height: 130px;
  display: flex; flex-direction: column; gap: 8px;
  overflow-wrap: anywhere; word-break: break-word;
}
.w-fc-label {
  font-size: 9px; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.w-fc-side { display: flex; flex-direction: column; gap: 6px; }
.w-fc-prompt-side { padding: 4px 0; }
.w-fc-answer-side { display: flex; flex-direction: column; gap: 6px; }
.w-fc-divider { height: 1px; background: var(--color-border); margin: 6px 0 2px; }
.w-fc-answer-fields { display: flex; flex-direction: column; gap: 8px; }
.w-fc-answer-field { display: flex; flex-direction: column; gap: 2px; }
.w-fc-answer-label {
  font-size: 9px; font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.08em;
}

.w-fc-val { color: var(--text-hi); font-size: 14px; line-height: 1.4; }
.w-fc-val.is-big { font-size: 20px; font-weight: 600; text-align: center; padding: 6px 0; }
.w-fc-val.is-long { font-size: 13px; color: var(--text-md); white-space: pre-wrap; }
.w-fc-val-img { max-height: 100px; max-width: 100%; border-radius: 8px; align-self: center; }
.w-fc-val-audio { max-width: 100%; }
.w-fc-val-tags { display: flex; flex-wrap: wrap; gap: 4px; }

.w-fc-reveal {
  background: rgba(var(--primary-rgb, 127,13,242), 0.10);
  border: 1px solid rgba(var(--primary-rgb, 127,13,242), 0.3);
  color: var(--color-primary);
  border-radius: 10px; padding: 10px;
  font-family: inherit; font-size: 12px; font-weight: 600;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.w-fc-reveal:hover { background: rgba(var(--primary-rgb, 127,13,242), 0.18); }
.w-fc-reveal .material-symbols-outlined { font-size: 16px; }

.w-fc-rating { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.w-fc-rate {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit; cursor: pointer; color: var(--text-hi);
  transition: background 120ms, border-color 120ms;
}
.w-fc-rate .label { font-size: 11px; font-weight: 600; }
.w-fc-rate .interval { font-size: 9px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.w-fc-rate.r-again { border-color: rgba(248,113,113,0.25); }
.w-fc-rate.r-again:hover { border-color: #f87171; background: rgba(248,113,113,0.08); color: #fca5a5; }
.w-fc-rate.r-hard:hover  { border-color: #fbbf24; background: rgba(251,191,36,0.08); color: #fcd34d; }
.w-fc-rate.r-good:hover  { border-color: var(--color-primary); background: rgba(var(--primary-rgb, 127,13,242), 0.08); color: var(--color-primary); }
.w-fc-rate.r-easy:hover  { border-color: #34d399; background: rgba(52,211,153,0.08); color: #6ee7b7; }

.w-fc-empty {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 30px 16px; text-align: center;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 12px;
}
.w-fc-empty > .material-symbols-outlined {
  font-size: 32px;
  color: var(--color-primary);
  padding: 10px;
  background: rgba(var(--primary-rgb, 127,13,242), 0.08);
  border-radius: 14px;
}
.w-fc-empty .title { font-size: 14px; font-weight: 600; color: var(--text-hi); }
.w-fc-empty .sub { font-size: 11px; color: var(--text-muted); max-width: 280px; }