/* fileshare - visual direction: a transfer manifest.
   Data is set in monospace with tabular figures; prose is set in the system
   UI face. The one bold element is the custody strip: a segmented bar that
   shows how much of a file's or a link's life is left. No web fonts, no
   external requests - the page must render on an air-gapped network. */

:root {
  --ink:     #141a1f;
  --slate:   #5c6874;
  --paper:   #e9edef;
  --surface: #ffffff;
  --rule:    #d3dae0;
  --seal:    #0f5d55;
  --seal-lo: #e2efed;
  --amber:   #8f5d0d;
  --alert:   #93301f;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          "Nimbus Sans", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "DejaVu Sans Mono", "Liberation Mono",
          Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.vh {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

a { color: var(--seal); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: currentColor; }

:focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }

/* ---------- top bar ---------- */

.bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 0 24px; height: 56px;
  background: var(--ink); color: #f4f7f8;
}
.brand {
  color: #f4f7f8; font-weight: 600; letter-spacing: -0.01em; border: 0;
}
.brand::before {
  content: ""; display: inline-block; width: 9px; height: 9px;
  margin-right: 10px; background: var(--seal);
  box-shadow: 0 0 0 3px rgba(15, 93, 85, 0.28);
}
.bar nav { display: flex; align-items: center; gap: 20px; }
.bar nav a { color: #9fb0b8; font-size: 14px; }
.bar nav a:hover, .bar nav a.on { color: #f4f7f8; }
.bar nav a.on { border-bottom: 2px solid var(--seal); padding-bottom: 2px; }
.who {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: #7f9098; border-left: 1px solid #33424b; padding-left: 20px;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 32px 24px 64px; }

.foot {
  padding: 20px 24px; text-align: center; color: var(--slate); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* ---------- upload intake ---------- */

.intake { margin-bottom: 36px; }

.drop {
  background: var(--surface);
  border: 1px dashed var(--rule);
  padding: 34px 28px;
  text-align: center;
  transition: border-color .15s ease, background .15s ease;
}
.drop.hot { border-color: var(--seal); background: var(--seal-lo); }
.drop-head { margin: 0 0 6px; font-size: 17px; }
.pick { color: var(--seal); cursor: pointer; border-bottom: 1px solid currentColor; }
.drop-sub {
  margin: 0; color: var(--slate); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.ttlpick {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 13px; color: var(--slate);
}
.ttlpick input { width: 72px; }
.unit { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }

input[type="text"], input[type="password"], input[type="number"] {
  font: 14px var(--mono); color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule); padding: 7px 9px;
}
input:focus { border-color: var(--seal); }

.progress { margin-top: 14px; }
.progress p { margin: 0 0 6px; font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--slate); }
.track { height: 4px; background: var(--rule); }
.track > i { display: block; height: 100%; width: 0; background: var(--seal); }

.flash { margin: 12px 0 0; font-size: 13px; min-height: 1.2em; }
.flash.err { color: var(--alert); }
.flash.ok  { color: var(--seal); }

/* ---------- panels and grid ---------- */

.panel { background: var(--surface); border: 1px solid var(--rule); margin-bottom: 28px; }
.panel-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--rule);
}
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.tally { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--slate); }

.grid { width: 100%; border-collapse: collapse; }
.grid th {
  text-align: left; padding: 9px 20px; font: 500 10px/1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate);
  border-bottom: 1px solid var(--rule); white-space: nowrap;
}
.grid td { padding: 12px 20px; border-bottom: 1px solid #edf1f3; vertical-align: middle; }
.grid tr:last-child td { border-bottom: 0; }
.grid tbody tr:hover { background: #f7f9fa; }
.grid .empty td { color: var(--slate); text-align: center; padding: 30px 20px; }
.grid .empty:hover { background: transparent; }

.c-num, .grid th.c-num { text-align: right; font-family: var(--mono);
  font-variant-numeric: tabular-nums; font-size: 13px; white-space: nowrap; }
.c-act, .grid th.c-act { text-align: right; white-space: nowrap; }
.c-name { max-width: 380px; }
.fname { display: block; overflow-wrap: anywhere; }
.sha {
  display: block; font: 11px var(--mono); color: var(--slate);
  letter-spacing: 0.02em; margin-top: 2px;
}

/* ---------- the custody strip ---------- */

.c-ttl { min-width: 132px; }
.ttl-label {
  display: block; font: 12px var(--mono); font-variant-numeric: tabular-nums;
  margin-bottom: 5px;
}
.strip { display: block; height: 3px; width: 110px; background: var(--rule); }
.strip > i { display: block; height: 100%; background: var(--seal); }
.ttl-10 > i { width: 100%; }
.ttl-9  > i { width: 90%; }
.ttl-8  > i { width: 80%; }
.ttl-7  > i { width: 70%; }
.ttl-6  > i { width: 60%; }
.ttl-5  > i { width: 50%; background: var(--amber); }
.ttl-4  > i { width: 40%; background: var(--amber); }
.ttl-3  > i { width: 30%; background: var(--amber); }
.ttl-2  > i { width: 20%; background: var(--alert); }
.ttl-1  > i { width: 10%; background: var(--alert); }
.ttl-0  > i { width: 3%;  background: var(--alert); }

/* ---------- buttons ---------- */

button { font: inherit; cursor: pointer; }
.btn-link {
  background: none; border: 0; padding: 0 0 1px; margin-left: 16px;
  color: var(--seal); font-size: 13px; border-bottom: 1px solid transparent;
}
.btn-link:hover { border-bottom-color: currentColor; }
.btn-link.danger { color: var(--alert); }
.bar .btn-link { color: #9fb0b8; }
.bar .btn-link:hover { color: #f4f7f8; }

button.primary, .gate-form button, .unlock button, .get {
  background: var(--seal); color: #fff; border: 0; padding: 10px 18px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.01em;
  display: inline-block; border-bottom: 0;
}
button.primary:hover, .gate-form button:hover, .unlock button:hover, .get:hover {
  background: #0b4a44; border-bottom: 0;
}

/* ---------- share sheet ---------- */

.veil { position: fixed; inset: 0; background: rgba(20, 26, 31, 0.45); }
.sheet {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(440px, calc(100vw - 32px)); background: var(--surface);
  border: 1px solid var(--rule); box-shadow: 0 18px 48px rgba(20, 26, 31, 0.2);
  padding: 24px;
}
.sheet h3 { margin: 0 0 4px; font-size: 16px; }
.sheet-file { margin: 0 0 18px; font-size: 12px; color: var(--slate);
  overflow-wrap: anywhere; }
.field { display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
  font-size: 13px; }
.field label { width: 132px; flex: none; color: var(--slate); }
.field input { flex: 1; min-width: 0; }
.field input[type="number"] { flex: none; width: 84px; }
.sheet-out { margin: 16px 0 0; padding-top: 16px; border-top: 1px solid var(--rule); }
.sheet-out label { display: block; font: 10px var(--mono); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--slate); margin-bottom: 6px; }
.sheet-out input { width: 100%; font-size: 12px; }
.sheet-act { display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; margin-top: 22px; }

/* ---------- gate (sign in) ---------- */

.page-login, .page-share {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.gate {
  width: min(380px, calc(100vw - 32px)); background: var(--surface);
  border: 1px solid var(--rule); padding: 34px 32px 30px;
}
.gate-mark { display: flex; gap: 3px; margin-bottom: 22px; }
.gate-mark .seg { height: 3px; flex: 1; background: var(--rule); }
.gate-mark .s1 { background: var(--seal); }
.gate-mark .s2 { background: var(--seal); }
.gate-mark .s3 { background: var(--seal); }
.gate-mark .s4 { background: var(--amber); }
.gate h1 { margin: 0 0 8px; font-size: 21px; letter-spacing: -0.02em; }
.lede { margin: 0 0 24px; color: var(--slate); font-size: 13px; }
.gate-form label, .unlock label {
  display: block; font: 10px var(--mono); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--slate); margin: 14px 0 5px;
}
.gate-form input, .unlock input { width: 100%; }
.gate-form button { width: 100%; margin-top: 22px; }
.bad { color: var(--alert); font-size: 13px; margin: 12px 0 0; }

/* ---------- public share card ---------- */

.card {
  width: min(520px, calc(100vw - 32px)); background: var(--surface);
  border: 1px solid var(--rule); padding: 34px 32px 28px;
}
.eyebrow { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--seal); margin: 0 0 10px; }
.fname-big { margin: 0 0 22px; font-size: 22px; letter-spacing: -0.02em;
  overflow-wrap: anywhere; }
.facts { margin: 0 0 26px; border-top: 1px solid var(--rule); }
.facts > div { display: flex; gap: 16px; padding: 9px 0;
  border-bottom: 1px solid #edf1f3; }
.facts dt { width: 128px; flex: none; font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--slate); padding-top: 2px; }
.facts dd { margin: 0; font-size: 13px; overflow-wrap: anywhere; }
.hash { font-size: 11px; color: var(--slate); }
.unlock { margin: 0; }
.unlock button { margin-top: 16px; }
.fineprint { margin: 22px 0 0; font-size: 12px; color: var(--slate); }

/* ---------- log ---------- */

.log td { font-size: 13px; }
.log .c-detail { font: 11px var(--mono); color: var(--slate);
  max-width: 320px; overflow-wrap: anywhere; }
.log tr.r-denied td, .log tr.r-throttled td { color: var(--alert); }
.pager { display: flex; gap: 18px; padding: 14px 20px; border-top: 1px solid var(--rule);
  font-size: 13px; }

@media (max-width: 720px) {
  .bar { padding: 0 16px; height: auto; flex-wrap: wrap; gap: 8px; padding-top: 10px;
    padding-bottom: 10px; }
  .who { display: none; }
  .wrap { padding: 20px 12px 48px; }
  .panel { overflow-x: auto; }
  .grid { min-width: 640px; }
  .field { flex-wrap: wrap; }
  .field label { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}