/* ============================================================
   FILES4LAB — Design System
   Sail4Lab · Light theme · Gradient palette from the S4 laB mark
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ------------------------------------------------------------
   TOKENS
   Brand colours sampled directly from the logo's B gradient:
     purple  #5a2284  →  violet #4f1bcc  →  navy #00008b
   ------------------------------------------------------------ */
:root {
  /* Brand */
  --brand-purple:   #5a2284;
  --brand-violet:   #4f1bcc;
  --brand-indigo:   #0702a1;
  --brand-navy:     #00008b;
  --brand-light:    #6767d8;

  --gradient:        linear-gradient(115deg, #5a2284 0%, #4f1bcc 48%, #00008b 100%);
  --gradient-soft:   linear-gradient(115deg, rgba(90,34,132,.10) 0%, rgba(79,27,204,.10) 48%, rgba(0,0,139,.10) 100%);
  --gradient-hair:   linear-gradient(90deg, #5a2284, #4f1bcc 48%, #00008b);

  /* Surfaces — light */
  --bg:             #ffffff;
  --surface-1:      #f8f8fc;
  --surface-2:      #f1f1f8;
  --surface-3:      #e9e9f4;
  --surface-input:  #ffffff;

  /* Borders */
  --border:         #e4e4f0;
  --border-strong:  #d2d2e4;
  --border-focus:   #4f1bcc;

  /* Text */
  --text-primary:   #14142b;
  --text-secondary: #55556e;
  --text-muted:     #8b8ba6;
  --text-faint:     #b9b9cc;
  --text-on-brand:  #ffffff;

  /* Semantic */
  --success:        #1a7f52;
  --success-bg:     #e8f6ef;
  --warning:        #9a6100;
  --warning-bg:     #fdf3e2;
  --danger:         #b5253c;
  --danger-bg:      #fdecef;
  --info:           #4f1bcc;
  --info-bg:        #eeeafb;

  /* Role colours */
  --role-admin:     #00008b;
  --role-team:      #4f1bcc;
  --role-extern:    #5a2284;

  /* Type */
  --font-ui:   'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', 'SF Mono', Menlo, monospace;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(20,20,43,.05);
  --shadow:    0 2px 8px rgba(20,20,43,.07);
  --shadow-md: 0 6px 20px rgba(20,20,43,.09);
  --shadow-lg: 0 14px 40px rgba(20,20,43,.13);
  --shadow-brand: 0 6px 22px rgba(79,27,204,.22);

  /* Geometry */
  --r-sm: 6px;
  --r:    10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Subtle brand wash in the page background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 12% -10%, rgba(90,34,132,.055), transparent 65%),
    radial-gradient(55vw 45vh at 95% 8%,  rgba(0,0,139,.045),  transparent 60%),
    radial-gradient(45vw 40vh at 60% 105%, rgba(79,27,204,.04), transparent 60%);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 62px;
  padding: 0 28px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--gradient-hair);
  opacity: .85;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--text-primary);
}
.header-brand img { height: 30px; }

.header-brand__divider {
  width: 1px;
  height: 20px;
  background: var(--border-strong);
}
.header-brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.header-nav { display: flex; align-items: center; gap: 4px; }

.header-nav a {
  padding: 7px 14px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .15s, background .15s;
}
.header-nav a:hover { color: var(--text-primary); background: var(--surface-2); }
.header-nav a.is-current {
  color: var(--brand-violet);
  background: var(--info-bg);
  font-weight: 600;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 28px 80px;
}
.container--narrow { max-width: 780px; }
.container--wide   { max-width: 1400px; }

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.page-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--text-primary);
}
.page-subtitle {
  margin-top: 5px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.breadcrumb a:hover { color: var(--brand-violet); }
.breadcrumb__sep { color: var(--text-faint); }

/* Gradient hairline divider */
.rule {
  height: 2px;
  border: none;
  border-radius: 2px;
  background: var(--gradient-hair);
  opacity: .55;
  margin: 26px 0;
}
.rule--soft { opacity: .22; height: 1px; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
.card--flush { padding: 0; overflow: hidden; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text-primary);
}
.card-subtitle {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* Card with gradient top edge — used for primary panels */
.card--accent { position: relative; overflow: hidden; }
.card--accent::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-hair);
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-hair);
  opacity: .9;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.025em;
  margin-bottom: 7px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   PROJECT & PART TREE
   ============================================================ */
.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .18s, border-color .18s;
}
.project-card:hover { box-shadow: var(--shadow); border-color: var(--border-strong); }

.project-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  background: var(--surface-1);
  border-bottom: 1px solid transparent;
  transition: background .15s;
}
.project-card.is-open .project-head {
  border-bottom-color: var(--border);
  background: var(--bg);
}
.project-head:hover { background: var(--surface-2); }

.project-marker {
  width: 4px;
  align-self: stretch;
  min-height: 34px;
  border-radius: 3px;
  background: var(--gradient);
  flex-shrink: 0;
}

/* Row thumbnail: sized to the row, so adding it never pushes the layout. */
.project-thumb {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; }

.project-thumb--fallback {
  background: var(--gradient);
  border-color: transparent;
  color: rgba(255,255,255,.92);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
}

.project-name {
  flex: 1;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text-primary);
}
.project-desc {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 2px;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.project-chevron {
  flex-shrink: 0;
  color: var(--text-faint);
  transition: transform .22s, color .18s;
}
.project-card.is-open .project-chevron {
  transform: rotate(90deg);
  color: var(--brand-violet);
}

.project-body { display: none; padding: 6px 20px 16px; }
.project-card.is-open .project-body { display: block; }

/* ============================================================
   TOOL PANELS

   One treatment, one meaning: a panel that CREATES or CHANGES something
   sits on a tinted surface with a brand edge and a small label.

   Deliberately NOT used for lists, tables, cards or the viewer. If half
   the page were tinted the distinction would stop carrying information,
   which is the usual way this idea fails.

   The label matters as much as the tint: colour alone is a weak signal
   for anyone with low contrast vision.
   ============================================================ */
.tool-panel {
  position: relative;
  padding: 22px 24px 24px;
  margin-bottom: 22px;
  border-radius: var(--r-md);
  border: 1px solid rgba(79,27,204,.16);
  background:
    linear-gradient(180deg, rgba(79,27,204,.045), rgba(79,27,204,.02) 90px),
    var(--surface-1);
  transition: box-shadow .3s, border-color .3s;
}

/* The left edge carries the brand line, so the panel reads as "a tool"
   even before the label is read. */
.tool-panel::before {
  content: '';
  position: absolute;
  top: 14px; bottom: 14px; left: 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--gradient);
}

.tool-panel__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand-violet);
  margin-bottom: 12px;
}

/* When a button elsewhere on the page sends you here, say so briefly. */
.tool-panel.is-called {
  border-color: var(--brand-violet);
  box-shadow: 0 0 0 4px rgba(79,27,204,.12);
}

.tool-panel .card-head { margin-bottom: 18px; }

/* Inline "add something here" affordance at the foot of a list. */
.pcard__add {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border: 1px dashed var(--border-strong);
  background: transparent;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.pcard__add:hover {
  border-style: solid;
  border-color: var(--brand-violet);
  color: var(--brand-violet);
  background: var(--info-bg);
}

@media (prefers-reduced-motion: reduce) {
  .tool-panel { transition: none; }
}

/* ============================================================
   PROJECT PAGE  —  main card and part cards
   The project as a whole sits full width at the top; its parts follow
   as their own cards, so the shape of the project is visible at a glance.
   ============================================================ */
.pcard {
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  transition: border-color .16s, box-shadow .16s;
}
.pcard:hover { box-shadow: var(--shadow); }

/* The main card leads: a heavier edge and the brand line across the top. */
.pcard--main {
  position: relative;
  border-color: var(--brand-violet);
  box-shadow: var(--shadow-md);
  margin-bottom: 28px;
}
.pcard--main::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
}

.pcard__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.pcard--main .pcard__head { background: var(--bg); }

.pcard__thumb {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.pcard__thumb img { width: 100%; height: 100%; object-fit: cover; }

.pcard__thumb--fallback {
  background: var(--gradient);
  border-color: transparent;
  color: rgba(255,255,255,.92);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}
.pcard__thumb--soft {
  background: var(--gradient-soft);
  border-color: rgba(79,27,204,.18);
  color: var(--brand-violet);
}

.pcard__titles { flex: 1; min-width: 0; }
.pcard__title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.25;
}
.pcard--main .pcard__title { font-size: 17px; font-weight: 700; }
.pcard__sub {
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.pcard__tools {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.pcard__body { padding: 6px 14px 12px; }
.pcard--main .pcard__body { padding: 8px 16px 14px; }

.pcard__empty {
  padding: 16px 6px;
  font-size: 13px;
  color: var(--text-faint);
}

.pcard__picform {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface-1);
}
.pcard__picform label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Parts sit two across on a wide screen, one on a narrow one. */
.pcard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  align-items: start;
}
.pcard-grid .pcard { margin-bottom: 0; }

.page-head__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .pcard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-head__actions { width: 100%; }
}

/* ---- Pointer to documents shared outside any project ---- */
.shared-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 20px;
  margin-bottom: 22px;
  border-radius: var(--r-md);
  border: 1px solid rgba(79,27,204,.22);
  background: var(--info-bg);
  font-size: 13.5px;
  color: var(--text-primary);
  transition: border-color .16s, background .16s;
}
.shared-banner:hover {
  border-color: var(--brand-violet);
  background: #e9e3fb;
}
.shared-banner__icon {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  background: var(--gradient);
  color: #fff;
}
.shared-banner__go {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--brand-violet);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .shared-banner { flex-wrap: wrap; }
  .shared-banner__go { margin-left: 0; }
}

/* ============================================================
   PROJECT CARDS  (the home page)
   Picture, name, who is in it, what it covers, and its parts.
   Documents are deliberately absent — the project page has those.
   ============================================================ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.proj-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  /* A visible edge, so each project reads as its own object rather than
     as one long column of text. */
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.proj-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-violet);
}

/* ---- Thumbnail beside the name ---- */
.proj-card__head {
  display: flex;
  align-items: center;
  gap: 13px;
}

.proj-card__thumb {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: block;
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.proj-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* No picture yet: initials on the brand gradient read as deliberate,
   not as a broken image. */
.proj-card__thumb-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--gradient);
  color: rgba(255,255,255,.92);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* ---- Body ---- */
.proj-card__body {
  flex: 1;
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.proj-card__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.018em;
  line-height: 1.25;
}
.proj-card__name a { transition: color .15s; }
.proj-card__name a:hover { color: var(--brand-violet); }

.proj-card__people {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.proj-card__people-edit {
  width: 26px;
  height: 26px;
  margin-left: 4px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px dashed var(--border-strong);
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.proj-card__people-edit:hover {
  border-color: var(--brand-violet);
  border-style: solid;
  color: var(--brand-violet);
  background: var(--info-bg);
}

.proj-card__desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ---- Parts, titles only ---- */
.proj-card__parts {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 2px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.proj-card__parts li {
  position: relative;
  padding: 5px 0 5px 16px;
  font-size: 13px;
}
.proj-card__parts li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
  opacity: .65;
}
.proj-card__parts a { color: var(--text-primary); transition: color .15s; }
.proj-card__parts a:hover { color: var(--brand-violet); }

.proj-card__noparts {
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-faint);
}

/* ---- Footer ---- */
.proj-card__foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface-1);
}
.proj-card__count {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.proj-card__owner {
  flex: 1;
  font-size: 11.5px;
  color: var(--text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proj-card__foot .btn { margin-left: auto; }
.proj-card__owner + .btn { margin-left: 0; }

/* ---- Members inside the dialog ---- */
.member-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.member-list__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.member-list__row:last-child { border-bottom: none; padding-bottom: 0; }
.member-list__row .people-dot { margin-left: 0; }
.member-list__name {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  font-size: 13.5px;
}

@media (max-width: 560px) {
  .proj-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ---- Membership shown in the project list ---- */
.project-people {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  margin-right: 6px;
}

.people-dot {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
  background: linear-gradient(140deg, #6c6c85, #55556e);
  border: 2px solid var(--bg);
  margin-left: -7px;
  cursor: default;
}
.people-dot:first-child { margin-left: 0; }

/* Members who may take a copy away are marked in the brand gradient. */
.people-dot.can-dl { background: var(--gradient); }

.people-dot.people-more {
  background: var(--surface-3);
  color: var(--text-secondary);
}

.people-none {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ---- Membership detail, once a project is expanded ---- */
.project-share {
  padding: 14px 0 4px;
  border-top: 1px solid var(--border);
  margin-top: 14px;
}
.project-share__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.project-share__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.member-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}
.member-chip .people-dot { margin-left: 0; }
.member-chip strong { font-weight: 600; }
.member-chip .u-muted { font-size: 12px; }

@media (max-width: 700px) {
  .project-people { display: none; }
}

/* Parts nested inside a project */
.part-block { margin-top: 12px; }

.part-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid var(--border-strong);
  cursor: pointer;
}
.part-head:hover { border-left-color: var(--brand-violet); }

.part-name {
  flex: 1;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}
.part-count {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--text-muted);
}

/* ============================================================
   FILE ROWS
   ============================================================ */
.file-list { margin-left: 14px; }

.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border-bottom: 1px solid var(--border);
  transition: background .14s;
}
.file-row:last-child { border-bottom: none; }
.file-row:hover { background: var(--surface-1); }

/* Rows that carry a destination behave like one big link. */
.file-row[data-href] { cursor: pointer; }
.file-row[data-href]:hover .file-title { color: var(--brand-violet); }

.file-title { transition: color .14s; display: block; }
a.file-title:focus-visible {
  outline: 2px solid var(--brand-violet);
  outline-offset: 2px;
  border-radius: 3px;
}

.file-icon {
  width: 32px; height: 32px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
}
.file-icon--pdf   { background: linear-gradient(140deg, #8c2340, #b5253c); }
.file-icon--video { background: linear-gradient(140deg, #5a2284, #4f1bcc); }
.file-icon--sheet { background: linear-gradient(140deg, #14603f, #1a7f52); }
.file-icon--image { background: linear-gradient(140deg, #0702a1, #00008b); }
.file-icon--other { background: linear-gradient(140deg, #6c6c85, #55556e); }

.file-info { flex: 1; min-width: 0; }
.file-title {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.file-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-brand    { background: var(--info-bg);    color: var(--brand-violet); border: 1px solid rgba(79,27,204,.2); }
.badge-active   { background: var(--success-bg); color: var(--success);      border: 1px solid rgba(26,127,82,.22); }
.badge-inactive { background: var(--surface-2);  color: var(--text-muted);   border: 1px solid var(--border); }
.badge-warning  { background: var(--warning-bg); color: var(--warning);      border: 1px solid rgba(154,97,0,.22); }
.badge-danger   { background: var(--danger-bg);  color: var(--danger);       border: 1px solid rgba(181,37,60,.22); }

/* Role badges */
.badge-role-admin  { background: rgba(0,0,139,.09);   color: var(--role-admin);  border: 1px solid rgba(0,0,139,.2); }
.badge-role-team   { background: rgba(79,27,204,.09); color: var(--role-team);   border: 1px solid rgba(79,27,204,.2); }
.badge-role-extern { background: rgba(90,34,132,.09); color: var(--role-extern); border: 1px solid rgba(90,34,132,.2); }

/* Permission chips */
.perm-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.perm-chip.is-on {
  background: var(--info-bg);
  color: var(--brand-violet);
  border-color: rgba(79,27,204,.25);
}

/* Version pill */
.version-pill {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  background: var(--gradient);
  color: #fff;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--r);
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .12s, box-shadow .16s, background .16s, border-color .16s, opacity .16s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gradient);
  color: var(--text-on-brand);
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover { opacity: .92; box-shadow: 0 8px 26px rgba(79,27,204,.3); }

.btn-outline {
  background: var(--bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover {
  color: var(--brand-violet);
  border-color: var(--brand-violet);
  background: var(--info-bg);
}

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text-primary); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(181,37,60,.25);
}
.btn-danger:hover { background: #fbdde2; }

.btn-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(26,127,82,.25);
}

.btn-sm { padding: 6px 13px; font-size: 12.5px; border-radius: var(--r-sm); }
.btn-xs { padding: 4px 10px; font-size: 11.5px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }

.btn-group { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }

.btn-icon {
  width: 32px; height: 32px;
  padding: 0;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-icon:hover {
  background: var(--surface-2);
  color: var(--brand-violet);
  border-color: var(--border);
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 18px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group label,
.form-label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color .16s, box-shadow .16s;
}
.form-control::placeholder { color: var(--text-faint); }
.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(79,27,204,.12);
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238b8ba6' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

textarea.form-control { resize: vertical; min-height: 92px; line-height: 1.6; }

.form-hint {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 17px; height: 17px;
  accent-color: var(--brand-violet);
  cursor: pointer;
}
.form-check label {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13.5px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* File drop zone */
.dropzone {
  padding: 30px 22px;
  text-align: center;
  background: var(--surface-1);
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color .18s, background .18s;
}
.dropzone:hover, .dropzone.is-dragover {
  border-color: var(--brand-violet);
  background: var(--info-bg);
}
.dropzone__icon { margin-bottom: 10px; color: var(--brand-violet); }
.dropzone__hint { margin-top: 5px; font-size: 11.5px; color: var(--text-muted); }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

thead th {
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1.5px solid var(--border-strong);
}

tbody td {
  padding: 13px 14px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
tbody tr { transition: background .13s; }
tbody tr:hover { background: var(--surface-1); }
tbody tr:last-child td { border-bottom: none; }

code {
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 13px 18px;
  margin-bottom: 22px;
  border-radius: var(--r);
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: rgba(26,127,82,.22); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: rgba(181,37,60,.22); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: rgba(154,97,0,.22); }
.alert-info    { background: var(--info-bg);    color: var(--brand-violet); border-color: rgba(79,27,204,.22); }

/* ============================================================
   PERMISSION MATRIX
   ============================================================ */
.perm-matrix { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }

.perm-matrix th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 9px 12px;
  background: var(--surface-1);
  border-bottom: 1.5px solid var(--border-strong);
}
.perm-matrix th:first-child { text-align: left; }
.perm-matrix th:not(:first-child) { text-align: center; width: 92px; }

.perm-matrix td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.perm-matrix td:not(:first-child) { text-align: center; }

.perm-scope {
  display: flex;
  align-items: center;
  gap: 9px;
}
.perm-scope--part { padding-left: 22px; }
.perm-scope--file { padding-left: 44px; }

.perm-scope__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--gradient);
}
.perm-scope--file .perm-scope__dot { background: var(--text-faint); }

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 36px; height: 20px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle__track {
  position: absolute;
  inset: 0;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  transition: background .2s, border-color .2s;
}
.toggle__track::before {
  content: '';
  position: absolute;
  left: 2px; top: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .2s;
}
.toggle input:checked + .toggle__track {
  background: var(--gradient);
  border-color: transparent;
}
.toggle input:checked + .toggle__track::before { transform: translateX(16px); }

/* Inherited-permission marker */
.perm-inherited {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .08em;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* ============================================================
   VERSION HISTORY
   ============================================================ */
.version-list { position: relative; padding-left: 24px; }
.version-list::before {
  content: '';
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--brand-violet), var(--border));
}

.version-item { position: relative; padding: 11px 0; }
.version-item::before {
  content: '';
  position: absolute;
  left: -23px; top: 17px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
}
.version-item.is-current::before {
  background: var(--brand-violet);
  border-color: var(--brand-violet);
  box-shadow: 0 0 0 3px rgba(79,27,204,.16);
}

.version-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 3px;
}
.version-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand-violet);
}
.version-date {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
}
.version-note { font-size: 12.5px; color: var(--text-secondary); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  padding: 54px 26px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state__icon {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: var(--gradient-soft);
  color: var(--brand-violet);
}
.empty-state__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.empty-state__text { font-size: 13px; max-width: 380px; margin: 0 auto; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(20,20,43,.4);
  backdrop-filter: blur(5px);
  animation: fadeIn .18s ease both;
}

/* The HTML hidden attribute only carries display:none at the lowest possible
   specificity, so any display rule above would beat it. Restate it here. */
.modal-overlay[hidden],
[hidden] { display: none !important; }
.modal {
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  animation: modalIn .22s cubic-bezier(.2,.8,.3,1) both;
}
.modal__head {
  position: relative;
  padding: 22px 26px 16px;
  border-bottom: 1px solid var(--border);
}
.modal__head::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: var(--gradient-hair);
}
.modal__title { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.modal__body { padding: 22px 26px; }
.modal__foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 26px 22px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================================
   LOGIN
   ============================================================ */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  padding: 40px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-hair);
}
.login-logo { display: grid; place-items: center; margin-bottom: 26px; }
.login-logo img { height: 62px; }
.login-title {
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 5px;
}
.login-subtitle {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.u-gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.u-mono   { font-family: var(--font-mono); }
.u-muted  { color: var(--text-muted); }
.u-small  { font-size: 12px; }
.u-nowrap { white-space: nowrap; }
.u-flex   { display: flex; align-items: center; gap: 10px; }
.u-between{ display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.u-spacer { flex: 1; }
.u-mt-0 { margin-top: 0; }  .u-mb-0 { margin-bottom: 0; }
.u-mt-1 { margin-top: 8px; } .u-mb-1 { margin-bottom: 8px; }
.u-mt-2 { margin-top: 16px; } .u-mb-2 { margin-bottom: 16px; }
.u-mt-3 { margin-top: 24px; } .u-mb-3 { margin-bottom: 24px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 768px) {
  .header { height: auto; flex-wrap: wrap; gap: 10px; padding: 12px 18px; }
  .header-nav { gap: 2px; }
  .header-nav a { padding: 6px 11px; font-size: 12.5px; }
  .container { padding: 22px 18px 60px; }
  .page-head { flex-direction: column; align-items: stretch; }
  .page-title { font-size: 21px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 11px; }
  .stat-card { padding: 16px 15px; }
  .stat-value { font-size: 26px; }
  .card { padding: 18px; }
  .file-meta { display: none; }
  .btn-group { width: 100%; }
  .perm-scope--part { padding-left: 14px; }
  .perm-scope--file { padding-left: 28px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .project-meta { display: none; }
}

@media print {
  .header, .btn, .btn-group, .file-actions { display: none !important; }
  body::before { display: none; }
  .card { box-shadow: none; border-color: #ccc; }
}