/* Secure Deliver — theme inspired by bigtexlabs.com: deep Texas navy (#17355E),
   terminal-style section labels, clean and direct. No web fonts (no third-party requests). */

:root {
  --navy-950: #071122;
  --navy-900: #0b1a30;
  --navy-800: #102445;
  --navy-700: #17355e;   /* Big Tex Labs brand navy */
  --navy-600: #1f4a85;
  --navy-500: #2d63ad;
  --line: #22406b;
  --line-soft: #1a3256;
  --text: #e9eef6;
  --muted: #9fb0c9;
  --dim: #6f84a3;
  --amber: #f2a541;      /* Texas sunset accent */
  --amber-ink: #1d1304;
  --green: #3ecf8e;
  --red: #ff6b6b;
  --radius: 12px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 16px/1.6 var(--sans);
  color: var(--text);
  background-color: var(--navy-900);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(45, 99, 173, .35), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(242, 165, 65, .08), transparent 60%),
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
  background-attachment: fixed;
}

a { color: var(--amber); text-underline-offset: 3px; }
a:hover { color: #ffc070; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
main.wrap { flex: 1; padding-top: 40px; padding-bottom: 64px; }

/* ---------- header ---------- */
.topbar { border-bottom: 1px solid var(--line-soft); background: rgba(7, 17, 34, .7); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -.01em; font-size: 1.1rem; }
.brand svg { width: 28px; height: 28px; }
.brand span { color: var(--amber); }
.brand:hover { color: var(--text); }
.nav { display: flex; align-items: center; gap: 20px; font-size: .92rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav a.hide-sm { display: none; } }

/* ---------- type ---------- */
.kicker { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; color: var(--amber); text-transform: uppercase; margin: 0 0 8px; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.1; letter-spacing: -.02em; margin: 0 0 16px; }
h2 { font-size: 1.5rem; letter-spacing: -.01em; margin: 0 0 12px; }
h3 { font-size: 1.1rem; margin: 0 0 8px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 0 28px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
code, .mono { font-family: var(--mono); font-size: .9em; }

/* ---------- layout pieces ---------- */
.hero { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
@media (min-width: 960px) { .hero { grid-template-columns: 1fr 1.1fr; gap: 48px; } }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; padding: 0; list-style: none; }
.badges li { font-family: var(--mono); font-size: .75rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; background: rgba(16, 36, 69, .6); }

.card { background: linear-gradient(180deg, rgba(23, 53, 94, .55), rgba(16, 36, 69, .75)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 20px 60px rgba(0, 0, 0, .35); }
.card.narrow { max-width: 680px; margin: 0 auto; }

.steps { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 64px; }
.step { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 22px; background: rgba(11, 26, 48, .6); }
.step p { color: var(--muted); margin: 0; font-size: .95rem; }

/* ---------- forms ---------- */
label, .label { display: block; font-weight: 600; font-size: .9rem; margin: 0 0 6px; }
.field { margin-bottom: 18px; }
.field-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.field-row .field { flex: 1 1 200px; }
.hint { color: var(--dim); font-size: .8rem; margin-top: 4px; display: flex; justify-content: space-between; gap: 8px; }

textarea, input[type=text], input[type=password], input[type=url], select {
  width: 100%; font: inherit; color: var(--text); background: var(--navy-950); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px;
}
textarea { min-height: 140px; resize: vertical; }
textarea:focus, input:focus, select:focus { border-color: var(--navy-500); outline: none; box-shadow: 0 0 0 3px rgba(45, 99, 173, .35); }
input.mono { font-family: var(--mono); font-size: .85rem; }

.pw-wrap { display: flex; gap: 8px; }
.pw-wrap input { flex: 1; }

.dropzone { position: relative; border: 1.5px dashed var(--line); border-radius: 10px; padding: 22px; text-align: center; color: var(--muted); background: rgba(7, 17, 34, .5); transition: border-color .15s, background .15s; }
.dropzone.dragging { border-color: var(--amber); background: rgba(242, 165, 65, .06); }
.dropzone.has-file { border-style: solid; border-color: var(--navy-500); }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.dropzone strong { color: var(--text); }
.file-info { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: var(--navy-800); text-align: left; position: relative; z-index: 1; }
.file-info .name { font-family: var(--mono); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }

.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .9rem; color: var(--muted); }
.check input { margin-top: 4px; accent-color: var(--amber); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 .95rem var(--sans); border-radius: 10px; padding: 12px 20px; border: 1px solid transparent; cursor: pointer; text-decoration: none; background: var(--amber); color: var(--amber-ink); transition: transform .05s, filter .15s; }
.btn:hover { filter: brightness(1.08); color: var(--amber-ink); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--navy-500); color: var(--text); }
.btn.danger { background: transparent; color: var(--red); border-color: rgba(255, 107, 107, .4); }
.btn.sm { padding: 7px 12px; font-size: .85rem; }
.linkish { background: none; border: 0; color: var(--muted); font: inherit; font-size: .8rem; cursor: pointer; text-decoration: underline; padding: 0; }

/* ---------- status ---------- */
.status { min-height: 1.4em; margin: 12px 0 0; font-size: .92rem; color: var(--muted); }
.status.error { color: var(--red); }
.status.ok { color: var(--green); }
progress { width: 100%; height: 8px; margin-top: 12px; appearance: none; border: 0; border-radius: 99px; background: var(--navy-950); overflow: hidden; }
progress::-webkit-progress-bar { background: var(--navy-950); }
progress::-webkit-progress-value { background: linear-gradient(90deg, var(--navy-500), var(--amber)); border-radius: 99px; }
progress::-moz-progress-bar { background: linear-gradient(90deg, var(--navy-500), var(--amber)); border-radius: 99px; }

.callout { border-left: 3px solid var(--amber); background: rgba(242, 165, 65, .07); padding: 12px 14px; border-radius: 0 8px 8px 0; font-size: .9rem; color: var(--muted); margin: 16px 0; }
.callout strong { color: var(--text); }
.copy-row { display: flex; gap: 8px; }
.copy-row input { flex: 1; }

.message-box { white-space: pre-wrap; word-break: break-word; background: var(--navy-950); border: 1px solid var(--line); border-radius: 10px; padding: 16px; font-size: .95rem; max-height: 420px; overflow: auto; }
.center { text-align: center; }
.big-icon { font-size: 2.4rem; line-height: 1; margin-bottom: 12px; }
.spinner { width: 28px; height: 28px; border: 3px solid var(--line); border-top-color: var(--amber); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto 14px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

/* ---------- legal ---------- */
.legal { max-width: 780px; margin: 0 auto; }
.legal h2 { font-size: 1.15rem; margin-top: 32px; }
.legal p, .legal li { color: #cfd9e8; }
.legal .meta { font-family: var(--mono); font-size: .8rem; color: var(--dim); }
.legal .notice { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: rgba(16, 36, 69, .6); }

/* ---------- admin ---------- */
.admin-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-head form { display: inline; }
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 28px; }
.tile { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: rgba(16, 36, 69, .7); }
.tile .k { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.tile .v { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .s { font-size: .8rem; color: var(--dim); }
.tile.accent { border-color: rgba(242, 165, 65, .5); }
.chart-card { margin-bottom: 28px; }
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line-soft); stroke-width: 1; }
.chart .axis { fill: var(--dim); font: 11px var(--mono); }
.chart .bar-created { fill: var(--navy-500); }
.chart .bar-opened { fill: var(--amber); }
.legend { display: flex; gap: 16px; font-size: .8rem; color: var(--muted); margin: 8px 0 0; padding: 0; list-style: none; }
.legend li::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.legend .created::before { background: var(--navy-500); }
.legend .opened::before { background: var(--amber); }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; font-variant-numeric: tabular-nums; }
table.data th, table.data td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--line-soft); }
table.data th:first-child, table.data td:first-child { text-align: left; font-family: var(--mono); }
table.data th { color: var(--muted); font-weight: 600; }
details summary { cursor: pointer; color: var(--muted); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line-soft); background: rgba(7, 17, 34, .75); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; padding-bottom: 22px; font-size: .85rem; color: var(--dim); }
.footer-inner nav { display: flex; gap: 18px; }
.footer-inner nav a { color: var(--muted); text-decoration: none; }
.footer-inner nav a:hover { color: var(--text); }
.craft { font-family: var(--mono); font-size: .8rem; color: var(--muted); margin: 0; }
.craft a { color: var(--amber); text-decoration: none; font-weight: 600; }
.craft a:hover { text-decoration: underline; }

[hidden] { display: none !important; }