/* Trueno UI — see DESIGN.md. Colours are tokens only: recolour by editing
   this block. */
:root {
  --bg: #004040; --panel: #003333; --fg: #ffffff; --muted: #bfdede;
  --border: #2a6a6a; --link: #eeffee; --visited: #dddddd; --alert: #ff6060;
  --font-ui: Inter, "BIZ UDPGothic", ui-sans-serif, sans-serif;
  --font-mono: "JetBrains Mono", "BIZ UDPGothic", ui-monospace, monospace;
}
html, body { background: var(--bg); color: var(--fg); }
body { font: 13px/1.5 var(--font-ui); max-width: 1000px; margin: 1.2rem auto; padding: 0 1rem; }
a { color: var(--link); } a:visited { color: var(--visited); } a:hover { color: var(--fg); }
h1 { font-size: 1.1rem; font-weight: 600; margin: 0 0 .5rem; display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
h1 nav { font-weight: 400; font-size: .9rem; }
h1 nav a + a::before { content: " · "; color: var(--muted); }
hr { border: 0; border-top: 1px solid var(--border); margin: .8rem 0; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }
.err { color: var(--alert); }

/* form: one field per row, labels in a fixed column */
form.up { padding: .7rem .9rem; background: var(--panel); border: 1px solid var(--border); }
form.up .row { display: grid; grid-template-columns: 7rem 1fr; gap: .4rem .8rem; align-items: center; margin: .35rem 0; }
form.up .row > label { color: var(--muted); }
form.up .inline { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
form.up .row .muted { font-size: .9em; white-space: nowrap; }
form.up .actions { grid-template-columns: 7rem auto 1fr auto; margin-top: .6rem; }
form.up .keylink { justify-self: end; font-size: .85em; text-decoration: none; }
form.up .keylink:hover { text-decoration: underline; }
#keyRow { justify-self: end; }
input, select, button { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--border); padding: .25rem .45rem; }
input[type=file] { background: transparent; border: 0; padding: 0; }
input[name=comment] { width: 100%; max-width: 32rem; }
input[name=delete_key], input#token { width: 10rem; font-family: var(--font-mono); }
input:focus, select:focus { outline: 1px solid var(--fg); outline-offset: 0; }
button { background: transparent; border: 2px solid var(--fg); border-radius: .25rem; padding: .3rem 1.2rem; min-width: 7rem; font-weight: 500; cursor: pointer; transition: background-color .15s, color .15s; }
button:hover { background: var(--fg); color: #002020; }
button:disabled { opacity: .5; cursor: default; }
#result { margin-top: .5rem; font-family: var(--font-mono); word-break: break-all; }

/* table: dense, bordered rows */
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--border); padding: .25rem .45rem; text-align: left; vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: .85em; letter-spacing: .04em; white-space: nowrap; }
td.d { width: 1.2rem; text-align: center; }
td.d button { padding: 0 .4rem; min-width: 0; border-width: 1px; border-color: var(--border); color: var(--muted); font-weight: 400; }
td.d button:hover { border-color: var(--fg); color: var(--bg); background: var(--fg); }
td.name, td.size, td.date, td.exp { font-family: var(--font-mono); white-space: nowrap; }
td.name { white-space: normal; word-break: break-all; }
td.name .orig { font-family: var(--font-ui); margin-left: .4rem; }
td.size { text-align: right; }
td.comment { overflow-wrap: anywhere; }
.pages { display: flex; gap: .5rem; flex-wrap: wrap; align-items: baseline; margin: .4rem 0; font-family: var(--font-mono); }
.pages a, .pages b { padding: 0 .2rem; } .pages b { color: var(--fg); }
.pages .n { margin-left: auto; color: var(--muted); font-family: var(--font-ui); }

/* thumbs page */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .8rem; }
.grid figure { margin: 0; background: var(--panel); border: 1px solid var(--border); padding: .4rem; }
.grid img { display: block; width: 100%; height: 120px; object-fit: contain; background: var(--bg); }
.grid figcaption { font-family: var(--font-mono); font-size: .8em; margin-top: .3rem; word-break: break-all; }
.grid figcaption .c { display: block; font-family: var(--font-ui); color: var(--muted); }
footer { margin-top: 1.5rem; font-size: .85em; color: var(--muted); display: flex; gap: 1rem; }
footer a { color: var(--muted); }