/* ---------- Bolton Transfer · Dugongo ---------- */
/* Tokens */
:root {
  --bg:            #FBFAF7;
  --surface:       #FFFFFF;
  --surface-soft:  #F4F2EC;
  --surface-sunk:  #EEEBE3;
  --ink:           #0E1116;
  --ink-2:         #2B3138;
  --ink-soft:      #6B7280;
  --ink-mute:      #9AA0A8;
  --border:        #E6E3DA;
  --border-strong: #D7D3C7;
  --accent:        #0E2A47;     /* Bolton navy */
  --accent-2:      #1B3C66;
  --accent-soft:   #E8EEF6;
  --accent-ink:    #FFFFFF;
  --success:       #1F7A4D;
  --warning:       #B5651D;
  --danger:        #B23A3A;
  --focus:         #0E2A47;

  --r-1: 6px;
  --r-2: 10px;
  --r-3: 14px;
  --r-4: 20px;

  --sh-1: 0 1px 0 rgba(14,17,22,0.04), 0 1px 2px rgba(14,17,22,0.04);
  --sh-2: 0 1px 0 rgba(14,17,22,0.04), 0 6px 18px rgba(14,17,22,0.06);
  --sh-3: 0 20px 60px rgba(14,17,22,0.18), 0 4px 14px rgba(14,17,22,0.08);

  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", "Times New Roman", serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, monospace;

  --dur-1: 120ms;
  --dur-2: 220ms;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

[data-theme="dark"] {
  --bg:            #0B0E13;
  --surface:       #11151C;
  --surface-soft:  #161B23;
  --surface-sunk:  #0E1218;
  --ink:           #F2F0EA;
  --ink-2:         #D7D4CD;
  --ink-soft:      #99A0AB;
  --ink-mute:      #6B7280;
  --border:        #232932;
  --border-strong: #2C333E;
  --accent:        #6FA0DB;
  --accent-2:      #5C8FCC;
  --accent-soft:   #18243A;
  --accent-ink:    #0B0E13;
  --sh-1: 0 1px 0 rgba(0,0,0,0.3);
  --sh-2: 0 1px 0 rgba(0,0,0,0.3), 0 6px 18px rgba(0,0,0,0.35);
  --sh-3: 0 20px 60px rgba(0,0,0,0.55), 0 4px 14px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- Layout primitives ---------- */
.app {
  min-height: 100vh;
  background: var(--bg);
}

.muted { color: var(--ink-soft); }
.serif { font-family: var(--font-serif); font-weight: 400; }
.serif-it { font-family: var(--font-serif); font-style: italic; font-weight: 400; }

/* ---------- Topbar ---------- */
.topbar {
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 20px;
  position: sticky; top: 0; z-index: 30;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 500; letter-spacing: -0.01em;
  font-size: 15px;
}
.brand-mark {
  width: 26px; height: 26px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 6px;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1;
}
.brand-sub {
  color: var(--ink-soft);
  font-size: 12px;
  border-left: 1px solid var(--border);
  padding-left: 10px;
  margin-left: 4px;
}
.topbar-search {
  flex: 1; max-width: 460px;
  position: relative;
}
.topbar-search input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  border-radius: var(--r-2);
  border: 1px solid var(--border);
  background: var(--surface-soft);
  outline: none;
  transition: border var(--dur-1), background var(--dur-1);
}
.topbar-search input:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.topbar-search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--ink-mute);
}
.topbar-search .search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  box-shadow: var(--sh-3);
  z-index: 200;
  max-height: 380px;
  overflow-y: auto;
  padding: 4px;
}
.search-section-title {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-mute); padding: 6px 10px 4px;
}
.search-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 7px 10px;
  border: 0; background: transparent;
  border-radius: var(--r-1);
  font-size: 13px; color: var(--ink);
  cursor: pointer; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.search-item:hover { background: var(--surface-soft); }
.search-badge {
  flex-shrink: 0; padding: 1px 6px; border-radius: 4px;
  font-size: 10px; font-weight: 500; background: var(--surface-soft);
  color: var(--ink-soft); max-width: 100px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }

/* Lang toggle */
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
  background: var(--surface-soft);
  gap: 0;
}
.lang-toggle button {
  border: 0; background: transparent;
  padding: 4px 10px;
  font-size: 12px; font-weight: 500;
  color: var(--ink-soft);
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.04em;
}
.lang-toggle button[data-active="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--sh-1);
}

.iconbtn {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 0;
  background: transparent;
  display: inline-grid; place-items: center;
  cursor: pointer; color: var(--ink-soft);
  transition: background var(--dur-1);
}
.iconbtn:hover { background: var(--surface-soft); color: var(--ink); }
.iconbtn[data-active="true"] { background: var(--surface-soft); color: var(--ink); }

.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
}

/* ---------- Sidebar ---------- */
.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: calc(100vh - 60px);
}
.sidebar {
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 14px;
  display: flex; flex-direction: column; gap: 18px;
  position: sticky; top: 60px; height: calc(100vh - 60px);
}
.side-section { display: flex; flex-direction: column; gap: 2px; }
.side-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-mute);
  padding: 0 10px 6px;
}
.side-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-2);
  font-size: 13.5px;
  transition: background var(--dur-1);
  border: 0; background: transparent; width: 100%; text-align: left;
}
.side-link:hover { background: var(--surface-soft); }
.side-link[data-active="true"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.side-link svg { flex-shrink: 0; }
.side-cta {
  margin-top: auto;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.side-cta .t { font-weight: 500; }
.side-cta .d { color: var(--ink-soft); font-size: 12.5px; }

/* ---------- Main ---------- */
.main { padding: 32px 40px 80px; max-width: 1280px; margin: 0 auto; width: 100%; }
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px 24px; margin-bottom: 28px;
  flex-wrap: wrap;
}
.page-head > div:first-child { min-width: 0; flex: 1 1 320px; }
.page-head > div:last-child { flex-wrap: wrap; }
.page-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 44px;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}
.page-title em { font-style: italic; }
.page-sub { color: var(--ink-soft); margin: 6px 0 0; font-size: 14px; max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
  height: 38px;
  padding: 0 16px;
  border-radius: var(--r-2);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  transition: all var(--dur-1);
  white-space: nowrap;
}
.btn:hover { background: var(--surface-soft); }
.btn:focus-visible { outline: 0; box-shadow: 0 0 0 4px var(--accent-soft); border-color: var(--accent); }
.btn[data-variant="primary"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn[data-variant="primary"]:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn[data-variant="ghost"] {
  background: transparent; border-color: transparent; color: var(--ink-2);
}
.btn[data-variant="ghost"]:hover { background: var(--surface-soft); }
.btn[data-variant="danger"] { color: var(--danger); border-color: var(--border-strong); }
.btn[data-variant="danger"]:hover { background: rgba(178,58,58,0.08); }
.btn[data-size="sm"] { height: 30px; padding: 0 12px; font-size: 12.5px; border-radius: 8px; }
.btn[data-size="lg"] { height: 46px; padding: 0 22px; font-size: 14.5px; }
.btn[data-block="true"] { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 20px;
}
.card-hover { transition: transform var(--dur-2), box-shadow var(--dur-2), border-color var(--dur-2); cursor: pointer; }
.card-hover:hover { box-shadow: var(--sh-2); border-color: var(--border-strong); transform: translateY(-2px); }

/* ---------- Form ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: flex; align-items: center; gap: 6px; }
.label { font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.input {
  height: 42px;
  padding: 0 14px;
  border-radius: var(--r-2);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  outline: none;
  transition: border var(--dur-1), box-shadow var(--dur-1);
  font-size: 14px;
  width: 100%;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.input::placeholder { color: var(--ink-mute); }
textarea.input { padding: 12px 14px; height: auto; min-height: 96px; resize: vertical; }

.hint { font-size: 12px; color: var(--ink-soft); }

/* ---------- Tooltip ---------- */
.tip-wrap { position: relative; display: inline-flex; }
.tip-trigger {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 0;
  background: transparent;
  color: var(--ink-mute);
  display: inline-grid; place-items: center;
  cursor: help;
  font-size: 11px;
}
.tip-trigger:hover { color: var(--accent); }
.tip-bubble {
  position: absolute;
  bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff;
  font-size: 12px; line-height: 1.4;
  padding: 8px 10px;
  border-radius: 8px;
  width: max-content;
  max-width: 240px;
  box-shadow: var(--sh-2);
  pointer-events: none;
  z-index: 50;
  font-weight: 400;
}
.tip-bubble::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 4px solid transparent; border-top-color: var(--ink);
}

/* ---------- Folder context menu ---------- */
.folder-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  box-shadow: var(--sh-3);
  z-index: 200;
  min-width: 172px;
  padding: 4px;
  animation: popIn 0.15s ease both;
}
.folder-menu-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 8px 10px;
  border: 0; background: transparent;
  border-radius: var(--r-1);
  font-size: 13px; color: var(--ink);
  cursor: pointer; text-align: left;
  white-space: nowrap;
}
.folder-menu-item:hover { background: var(--surface-soft); }
.folder-menu-item.danger { color: #B23A3A; }
.folder-menu-item.danger:hover { background: rgba(178,58,58,0.07); }
.folder-menu hr { margin: 4px 0; border: 0; border-top: 1px solid var(--border); }

/* ---------- Folder cards ---------- */
.grid-folders {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.folder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 18px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color var(--dur-2), box-shadow var(--dur-2), transform var(--dur-2);
  animation: popIn 0.3s ease both;
  animation-delay: calc(var(--card-i, 0) * 55ms);
}
.folder-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}
.folder-card .top { display: flex; justify-content: space-between; align-items: flex-start; }
.folder-card .ic {
  width: 40px; height: 40px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 10px;
  display: grid; place-items: center;
}
.folder-card .name { font-weight: 500; font-size: 15px; letter-spacing: -0.005em; }
.folder-card .meta {
  font-size: 12px; color: var(--ink-soft);
  display: flex; gap: 10px; flex-wrap: wrap;
}
.folder-card .meta > span,
.folder-card .tag { white-space: nowrap; }
.folder-card .meta b { color: var(--ink-2); font-weight: 500; }
.folder-card .tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  border: 1px solid var(--border);
}

/* ---------- File list ---------- */
.file-table {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  overflow: hidden;
}
.file-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 80px 110px 140px 150px;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--dur-1);
}
@media (max-width: 1180px) {
  .file-row { grid-template-columns: 32px minmax(0, 1fr) 80px 140px 150px; }
  .file-row .col-added { display: none; }
}

/* ---------- File action buttons ---------- */
.file-actions { display: flex; align-items: center; gap: 6px; justify-content: flex-end; padding-right: 4px; }
.file-act {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: background var(--dur-1), border-color var(--dur-1), color var(--dur-1);
  color: var(--ink-soft);
  text-decoration: none;
}
.file-act:hover { background: var(--surface-soft); border-color: var(--border-strong); color: var(--ink); }
.file-act.dl { color: var(--accent); border-color: rgba(14,42,71,0.22); }
.file-act.dl:hover { background: var(--accent-soft); border-color: rgba(14,42,71,0.4); }
.file-act.del { color: #B23A3A; border-color: rgba(178,58,58,0.22); }
.file-act.del:hover { background: rgba(178,58,58,0.07); border-color: rgba(178,58,58,0.45); color: #B23A3A; }
.file-act.prev { color: #2D7A5F; border-color: rgba(45,122,95,0.22); }
.file-act.prev:hover { background: rgba(45,122,95,0.07); border-color: rgba(45,122,95,0.4); color: #2D7A5F; }
.modal-preview { width: min(90vw, 960px); max-height: 90vh; display: flex; flex-direction: column; }
.preview-body { flex: 1; overflow: auto; display: flex; align-items: center; justify-content: center; min-height: 0; padding: 0 24px 24px; }
.preview-media { max-width: 100%; max-height: 72vh; border-radius: 6px; display: block; }
.preview-pdf { width: 100%; height: 72vh; border: none; border-radius: 6px; }
.file-row:last-child { border-bottom: 0; }
.file-row:hover { background: var(--surface-soft); }
.file-row.head { background: var(--surface-soft); color: var(--ink-soft); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; cursor: default; }
.file-row.head:hover { background: var(--surface-soft); }
.file-ic {
  width: 30px; height: 30px;
  border-radius: 7px;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.file-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.file-name .n { font-weight: 500; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-name .note { color: var(--ink-soft); font-size: 12px; display: flex; align-items: center; gap: 4px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 500;
}
.badge[data-tone="ok"] { background: rgba(31,122,77,0.1); color: var(--success); }
.badge[data-tone="upload"] { background: var(--accent-soft); color: var(--accent); }
.badge[data-tone="wait"] { background: rgba(181,101,29,0.1); color: var(--warning); }

/* ---------- Modal ---------- */
.modal-veil {
  position: fixed; inset: 0;
  background: rgba(14,17,22,0.4);
  backdrop-filter: blur(2px);
  display: grid; place-items: center;
  z-index: 100;
  animation: fadeIn 160ms ease-out;
  padding: 24px;
}
.modal {
  background: var(--surface);
  border-radius: var(--r-4);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--sh-3);
  overflow: hidden;
  animation: popIn 220ms var(--ease);
}
.modal-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 22px 24px 8px;
  gap: 12px;
}
.modal-head h3 { margin: 0; font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }
.modal-head p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.modal-body { padding: 16px 24px; }
.modal-foot {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-soft);
  display: flex; justify-content: flex-end; gap: 8px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-3);
  background: var(--surface-soft);
  padding: 36px 20px;
  text-align: center;
  display: flex; flex-direction: column; gap: 10px;
  align-items: center;
  cursor: pointer;
  transition: all var(--dur-2);
}
.dropzone:hover, .dropzone[data-drag="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.dropzone .big { font-family: var(--font-serif); font-style: italic; font-size: 22px; }

.upload-item {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.upload-item:last-child { border-bottom: 0; }
.progress {
  height: 4px; background: var(--surface-sunk); border-radius: 999px; overflow: hidden;
  margin-top: 4px;
}
.progress > span { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width 200ms linear; }

/* ---------- Breadcrumb ---------- */
.crumb { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); font-size: 13px; flex-wrap: wrap; }
.crumb a { cursor: pointer; }
.crumb a:hover { color: var(--ink); }
.crumb .sep { color: var(--ink-mute); }
.crumb .cur { color: var(--ink); font-weight: 500; }

/* ---------- Notes panel ---------- */
.notes-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.note {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-2);
  padding: 10px 12px;
  font-size: 13px;
}
.note .by { font-size: 11.5px; color: var(--ink-soft); margin-top: 4px; }

/* ---------- Login (minimal centered) ---------- */
.login-shell-min {
  min-height: 100vh;
  background: var(--bg);
  display: grid;
  grid-template-rows: auto 1fr;
}
.login-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px;
}
.login-form-wrap-min {
  display: grid; place-items: center;
  padding: 0 24px 80px;
}
.login-form-wrap-min .login-form {
  width: 100%; max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 32px 28px;
  box-shadow: var(--sh-1);
}

/* ---------- Login (legacy split — kept for reference but unused) ---------- */
.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg);
}
.login-art {
  background: var(--accent);
  color: var(--accent-ink);
  position: relative;
  overflow: hidden;
  padding: 48px;
  display: flex; flex-direction: column;
}
.login-art::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 80% 20%, rgba(255,255,255,0.10), transparent 60%),
    radial-gradient(40% 60% at 20% 100%, rgba(255,255,255,0.08), transparent 60%);
  pointer-events: none;
}
.login-art .top { display: flex; align-items: center; gap: 10px; z-index: 2; }
.login-art .top .brand-mark { background: var(--accent-ink); color: var(--accent); }
.login-art .pitch {
  margin-top: auto;
  font-family: var(--font-serif);
  font-size: 56px; line-height: 1.05;
  letter-spacing: -0.02em;
  z-index: 2;
  max-width: 16ch;
}
.login-art .pitch em { font-style: italic; }
.login-art .pitch-sub {
  margin-top: 18px; font-size: 14px; color: rgba(255,255,255,0.78);
  max-width: 38ch; line-height: 1.55; z-index: 2;
}
.login-art .foot { z-index: 2; margin-top: 32px; font-size: 12px; color: rgba(255,255,255,0.6); }
.login-form-wrap {
  display: grid; place-items: center;
  padding: 48px;
  position: relative;
}
.login-form {
  width: 100%; max-width: 380px;
  display: flex; flex-direction: column; gap: 20px;
}
.login-form h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 32px;
  margin: 0;
  letter-spacing: -0.01em;
}
.login-form .sub { color: var(--ink-soft); margin: 0; font-size: 14px; }
.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--ink-mute); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- Welcome ---------- */
.welcome {
  max-width: 880px; margin: 0 auto;
  padding: 64px 32px;
}
.welcome h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 64px;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0 0 8px;
}
.welcome h1 em { font-style: italic; }
.welcome .lead { color: var(--ink-soft); font-size: 17px; max-width: 56ch; }

.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 22px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
}
.step .n {
  font-family: var(--font-serif); font-style: italic;
  font-size: 28px; color: var(--accent);
  line-height: 1;
}
.step h3 { margin: 0; font-size: 16px; font-weight: 500; letter-spacing: -0.005em; }
.step p { margin: 0; color: var(--ink-soft); font-size: 13.5px; }

/* ---------- Help / FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%; text-align: left;
  background: transparent; border: 0;
  padding: 18px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}
.faq-a { padding: 0 0 18px; color: var(--ink-soft); font-size: 13.5px; line-height: 1.6; max-width: 70ch; }
.faq-chev { transition: transform var(--dur-2); color: var(--ink-mute); }
.faq-item[data-open="true"] .faq-chev { transform: rotate(180deg); }

/* ---------- Chat widget ---------- */
.chat-fab {
  position: fixed; bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  cursor: pointer;
  display: grid; place-items: center;
  box-shadow: var(--sh-3);
  z-index: 80;
  transition: transform var(--dur-2);
}
.chat-fab:hover { transform: scale(1.05); }
.chat-panel {
  position: fixed; bottom: 96px; right: 24px;
  width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  box-shadow: var(--sh-3);
  z-index: 80;
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: popIn 200ms var(--ease);
}
.chat-head { padding: 16px; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: center; }
.chat-head .av { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 500; font-size: 13px; }
.chat-head .who { font-weight: 500; font-size: 14px; }
.chat-head .stat { font-size: 12px; color: var(--success); display: flex; align-items: center; gap: 5px; }
.chat-head .stat::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.chat-msgs { padding: 16px; display: flex; flex-direction: column; gap: 10px; max-height: 280px; overflow-y: auto; }
.chat-bubble { background: var(--surface-soft); padding: 10px 12px; border-radius: 12px; font-size: 13px; max-width: 85%; }
.chat-bubble[data-me="true"] { align-self: flex-end; background: var(--accent); color: var(--accent-ink); }
.chat-input { padding: 12px; border-top: 1px solid var(--border); display: flex; gap: 8px; }
.chat-input input { flex: 1; height: 36px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-soft); outline: none; }
.chat-input input:focus { border-color: var(--accent); background: var(--surface); }
.chat-input .send { width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--accent); color: var(--accent-ink); cursor: pointer; display: grid; place-items: center; }

/* ---------- Tour ---------- */
.tour-veil {
  position: fixed; inset: 0;
  background: rgba(14,17,22,0.5);
  z-index: 90;
  animation: fadeIn 200ms ease-out;
}
.tour-card {
  position: fixed;
  background: var(--surface);
  border-radius: var(--r-3);
  padding: 20px;
  width: 320px;
  box-shadow: var(--sh-3);
  z-index: 91;
  display: flex; flex-direction: column; gap: 12px;
  animation: popIn 200ms var(--ease);
}
.tour-card h4 { margin: 0; font-weight: 500; font-size: 15px; }
.tour-card p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.5; }
.tour-progress { display: flex; gap: 4px; margin-top: 4px; }
.tour-progress span { flex: 1; height: 3px; background: var(--surface-sunk); border-radius: 999px; }
.tour-progress span[data-active="true"] { background: var(--accent); }
.tour-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 4px; }

.tour-spotlight {
  position: fixed;
  border-radius: 12px;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.15), 0 0 0 9999px rgba(14,17,22,0.55);
  z-index: 90;
  pointer-events: none;
  transition: all 280ms var(--ease);
}

/* ---------- Profile ---------- */
.profile-compact {
  max-width: 520px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
}
.profile-compact .av-lg {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-size: 24px; font-weight: 500;
  font-family: var(--font-serif);
  flex-shrink: 0;
}

/* ---------- Misc ---------- */
.hr { height: 1px; background: var(--border); border: 0; margin: 0; }
.row { display: flex; align-items: center; gap: 12px; }
.col { display: flex; flex-direction: column; gap: 12px; }
.spacer { flex: 1; }

.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; user-select: none; }
.checkbox-row input { accent-color: var(--accent); width: 15px; height: 15px; }

.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  color: var(--ink-soft);
}

/* Folder view: stack notes under file table on narrow viewports */
@media (max-width: 1100px) {
  .folder-layout { grid-template-columns: 1fr !important; }
}

/* Responsive */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 24px 20px 80px; }
  .login-shell { grid-template-columns: 1fr; }
  .login-art { padding: 32px; min-height: 240px; }
  .login-art .pitch { font-size: 40px; }
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Upload Toast ---------- */
.upload-toast {
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 200;
  display: flex; justify-content: center;
  padding: 0 20px 20px;
  animation: toastUp 280ms var(--ease);
  cursor: pointer;
}
.upload-toast-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 12px 20px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--sh-3);
  max-width: 560px; width: 100%;
}
.upload-toast-inner[data-tone="ok"] { border-color: #1F7A4D; }
.upload-toast-inner[data-tone="err"] { border-color: #B23A3A; }

@keyframes toastUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}