/* ==========================================================================
   PATENTAI — application styles (built on top of brand.css)
   ========================================================================== */

/* Auth shell ------------------------------------------------------------- */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--off);
}
.auth-stage {
  background: var(--navy); color: var(--off);
  padding: 56px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.auth-stage::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(131,158,250,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(131,158,250,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.auth-stage > * { position: relative; z-index: 1; }
.auth-stage .brand {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--blue-2);
}
.auth-stage .brand svg { width: 24px; }
.auth-stage .hero {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(48px, 5.5vw, 84px);
  letter-spacing: -0.04em;
  line-height: 0.92;
}
.auth-stage .hero em { font-style: italic; color: var(--blue-2); font-weight: 300; }
.auth-stage .hero .dot { color: var(--blue); }
.auth-stage .stage-foot {
  display: flex; flex-direction: column; gap: 12px;
}
.auth-stage .stage-foot p {
  color: rgba(239,236,232,0.7);
  font-size: 14px; max-width: 420px;
}
.auth-stage .pills { display: flex; flex-wrap: wrap; gap: 8px; }
.auth-stage .pills .pill {
  color: var(--blue-3); border-color: var(--border-dark); background: transparent;
}
.auth-form-wrap {
  display: flex; flex-direction: column; justify-content: center;
  padding: 56px;
  max-width: 560px; width: 100%;
  margin: 0 auto;
}
.auth-form-wrap h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: 44px;
  letter-spacing: -0.025em;
  line-height: 1;
  margin-bottom: 12px;
}
.auth-form-wrap h1 em { font-style: italic; color: var(--blue); font-weight: 300; }
.auth-form-wrap .lede {
  color: var(--gray); font-size: 15px; margin-bottom: 36px; max-width: 420px;
}
.auth-form-wrap .form-foot {
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray);
}
.auth-form-wrap .form-foot a { color: var(--blue); }

@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-stage { padding: 32px; min-height: 220px; }
  .auth-form-wrap { padding: 40px 24px; }
}

/* Dashboard --------------------------------------------------------------- */
.dash-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; padding: 56px 0 32px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 40px;
}
.dash-head h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: -0.03em;
  line-height: 0.95;
}
.dash-head h1 em { font-style: italic; color: var(--blue); font-weight: 300; }
.dash-head .deck { color: var(--gray); margin-top: 12px; max-width: 540px; font-size: 16px; }

.matters-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}
.matters-table thead th {
  text-align: left; padding: 14px 16px;
  border-bottom: 2px solid var(--navy);
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray); font-weight: 400;
}
.matters-table tbody td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--gray); vertical-align: middle;
}
.matters-table tbody tr:hover { background: rgba(83,116,250,0.04); }
.matters-table tbody td.title-cell {
  font-family: var(--display); font-weight: 500;
  color: var(--navy); font-size: 16px;
  letter-spacing: -0.01em;
}
.matters-table tbody td a { color: var(--blue); }
.matters-empty {
  text-align: center; padding: 80px 24px;
  border: 1px dashed var(--border-light);
  background: var(--light-1);
}
.matters-empty h3 { margin-bottom: 8px; font-weight: 500; }
.matters-empty p { color: var(--gray); max-width: 460px; margin: 0 auto 24px; }

/* Stage progress strip --------------------------------------------------- */
.stage-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin: 24px 0 48px;
}
.stage-strip .step {
  padding: 14px 12px;
  border-top: 2px solid var(--border-light);
  font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray);
  display: flex; flex-direction: column; gap: 6px;
}
.stage-strip .step .n { color: var(--blue); }
.stage-strip .step.done    { border-top-color: var(--blue); color: var(--navy); }
.stage-strip .step.current { border-top-color: var(--navy); color: var(--navy); font-weight: 500; }
.stage-strip .step.locked  { opacity: 0.5; }

@media (max-width: 900px) {
  .stage-strip { grid-template-columns: repeat(2, 1fr); }
}

/* Stage page header ------------------------------------------------------ */
.stage-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 40px;
}
.stage-head .stage-meta {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--blue);
}
.stage-head .stage-title {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(36px, 4.5vw, 56px);
  letter-spacing: -0.025em;
  line-height: 0.98;
}
.stage-head .stage-title em { font-style: italic; color: var(--blue); font-weight: 300; }
.stage-head .stage-deck { color: var(--gray); margin-top: 12px; max-width: 600px; }

@media (max-width: 900px) {
  .stage-head { grid-template-columns: 1fr; }
}

/* Multi-step IDQ form ---------------------------------------------------- */
.idq {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: flex-start;
}
.idq-rail {
  position: sticky; top: 100px;
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--border-light);
}
.idq-rail .step {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px; color: var(--gray);
  cursor: pointer; user-select: none;
  background: transparent; border-left: none; border-right: none;
  text-align: left;
}
.idq-rail .step .n {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.18em; color: var(--blue);
}
.idq-rail .step.active { color: var(--navy); font-weight: 500; }
.idq-rail .step.done .n { color: var(--ok); }
.idq-rail .step.done::after {
  content: "✓"; color: var(--ok); font-size: 12px; margin-left: 6px;
}

.idq-stage {
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 40px;
  min-height: 480px;
}
.idq-step { display: none; }
.idq-step.active { display: block; }
.idq-step h2 {
  font-family: var(--display); font-weight: 500;
  font-size: 26px; letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.idq-step .step-deck {
  color: var(--gray); margin-bottom: 28px; font-size: 15px; max-width: 600px;
}
.idq-controls {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.idq-controls .left, .idq-controls .right { display: flex; gap: 10px; }
.idq-save-status {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray);
  align-self: center;
}
.idq-save-status.saving { color: var(--warn); }
.idq-save-status.saved  { color: var(--ok); }
.idq-save-status.error  { color: var(--err); }

@media (max-width: 900px) {
  .idq { grid-template-columns: 1fr; }
  .idq-rail { position: static; }
}

/* HITL panel ------------------------------------------------------------- */
.hitl {
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 0;
  margin-top: 56px;
}
.hitl-head {
  background: var(--navy); color: var(--off);
  padding: 24px 28px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
}
.hitl-head .eyebrow { color: var(--blue-2); margin-bottom: 6px; }
.hitl-head h2 {
  font-family: var(--display); font-weight: 400;
  font-size: 26px; letter-spacing: -0.01em;
  color: var(--off);
}
.hitl-head .status {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 12px; border: 1px solid var(--border-dark); color: var(--blue-2);
}
.hitl-head .status.approved { color: var(--ok); border-color: rgba(47,158,107,0.5); }
.hitl-head .status.amended  { color: var(--warn); border-color: rgba(201,138,23,0.5); }
.hitl-head .status.rejected { color: var(--err); border-color: rgba(193,66,66,0.5); }
.hitl-body {
  padding: 0;
}

/* HITL tabs --------------------------------------------------------------- */
.hitl-tabs {
  display: flex;
  gap: 0;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 0 28px;
}
.hitl-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 16px 20px 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.hitl-tab:hover { color: var(--navy); }
.hitl-tab.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.hitl-tab.disabled,
.hitl-tab[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}
.hitl-tab-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 18px; padding: 0 6px;
  background: var(--blue-4); color: var(--blue);
  font-size: 10px; letter-spacing: 0; border-radius: 2px;
}
.hitl-pane { padding: 28px 28px 32px; }
.hitl-pane[data-pane="output"] {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: flex-start;
}
/* MUST come after the data-pane rule so it wins the specificity tie. */
.hitl-pane[hidden] { display: none; }

/* References tab --------------------------------------------------------- */
.hitl-refs-head { margin-bottom: 20px; }
.hitl-refs-head .field-help { margin-top: 6px; }
.hitl-refs-empty {
  background: var(--light-1);
  border: 1px dashed var(--border-light);
  padding: 32px;
  text-align: center;
  color: var(--gray);
}
.hitl-refs-empty p { max-width: 540px; margin: 0 auto; }
.hitl-refs {
  list-style: none;
  display: flex; flex-direction: column; gap: 16px;
  counter-reset: ref;
}
.hitl-ref {
  background: var(--light-1);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--blue);
  padding: 18px 22px;
}
.hitl-ref-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px;
  margin-bottom: 10px;
}
.hitl-ref-tag {
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.1em; color: var(--blue);
}
.hitl-ref-title {
  font-family: var(--display); font-weight: 500;
  font-size: 16px; color: var(--navy);
  letter-spacing: -0.01em;
}
.hitl-ref-title:hover { color: var(--blue); text-decoration: underline; }
.hitl-ref-meta {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray);
}
.hitl-ref-score {
  margin-left: auto;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray);
  background: #fff; padding: 3px 8px;
  border: 1px solid var(--border-light);
}
.hitl-ref-snippet {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 14px 18px;
  font-size: 14px; line-height: 1.65;
  color: var(--navy);
  white-space: pre-wrap;
}
.hitl-ref-snippet[dir="rtl"] { text-align: right; }
.hitl-output {
  background: var(--light-1);
  border: 1px solid var(--border-light);
  padding: 28px 32px;
  font-size: 15px;
  line-height: 1.7;
  max-height: 640px;
  overflow-y: auto;
}
.hitl-output[contenteditable="true"]:focus {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.hitl-output h1, .hitl-output h2, .hitl-output h3 {
  margin: 1em 0 0.4em; line-height: 1.2;
}
.hitl-output h1 { font-size: 22px; }
.hitl-output h2 { font-size: 18px; }
.hitl-output h3 { font-size: 16px; }
.hitl-output p  { margin-bottom: 0.9em; color: var(--navy); max-width: none; }
.hitl-output ul { margin: 0.6em 0 1em 1.6em; }
.hitl-output li { margin-bottom: 0.3em; }
.hitl-output code { background: rgba(83,116,250,0.08); padding: 0 4px; font-size: 13px; }
.hitl-output pre.code {
  background: var(--navy); color: var(--off);
  padding: 16px 20px; overflow-x: auto;
  font-size: 12.5px; margin: 12px 0;
}

.hitl-side {
  display: flex; flex-direction: column; gap: 16px;
}
.hitl-side label { margin-bottom: 6px; }
.hitl-side textarea { min-height: 140px; }
.hitl-actions {
  display: flex; flex-direction: column; gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}
.hitl-actions .btn { width: 100%; }
.hitl-msg {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray); min-height: 16px;
}
.hitl-msg.ok  { color: var(--ok); }
.hitl-msg.err { color: var(--err); }

@media (max-width: 900px) {
  .hitl-body { grid-template-columns: 1fr; }
}

/* Stage 2 / Prior art table --------------------------------------------- */
.opinion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.opinion-card {
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 28px;
}
.opinion-card .label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray); margin-bottom: 10px;
}
.opinion-card .score {
  font-family: var(--display); font-weight: 300;
  font-size: 56px; letter-spacing: -0.04em; line-height: 1;
  color: var(--blue);
}
.opinion-card .score sup { font-size: 22px; vertical-align: super; }
.opinion-card .score.lo { color: var(--err); }
.opinion-card .score.mid { color: var(--warn); }

.prior-art {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.prior-art thead th {
  text-align: left; padding: 12px 14px;
  border-bottom: 2px solid var(--navy);
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray); font-weight: 400;
}
.prior-art tbody td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  color: var(--gray);
}
.prior-art tbody td:first-child {
  font-family: var(--mono); font-size: 12.5px; color: var(--navy);
  white-space: nowrap;
}
.prior-art tbody td.title { color: var(--navy); font-weight: 500; max-width: 480px; }
@media (max-width: 900px) {
  .opinion-grid { grid-template-columns: 1fr; }
}