/* Calendar Junction — a small instrument for merging calendar feeds.
   Direction: a departure-board control panel. Deep navy ground, amber signal
   for the one output, each source wearing its own calendar colour as a spine. */

@font-face { font-family: "Archivo Fallback"; src: local("Arial"); size-adjust: 94%; }

:root {
  color-scheme: dark;
  --ink:      #0d1522;
  --panel:    #142033;
  --panel-2:  #18263c;
  --line:     #27384f;
  --line-soft:#1e2c40;
  --text:     #e9eef7;
  --muted:    #8598b4;
  --faint:    #5f728c;
  --signal:   #ffb638;
  --signal-ink:#3a2a06;
  --good:     #63d68a;
  --bad:      #ff7a8a;
  --radius:   14px;
  --display: "Archivo", "Archivo Fallback", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--display);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(1100px 500px at 78% -8%, rgba(255,182,56,.10), transparent 60%),
    var(--ink);
  background-attachment: fixed;
  min-height: 100vh;
}

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

a { color: var(--signal); }

.wrap { max-width: 780px; margin: 0 auto; padding: 40px 20px 96px; }

/* ---- masthead ---------------------------------------------------------- */

.masthead { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }

.mark {
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--text);
  margin: 0 0 4px;
}
.mark span { color: var(--signal); }

.tagline { margin: 0; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }

.ghost-btn {
  font: inherit;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.ghost-btn:hover { color: var(--text); border-color: var(--muted); }

/* ---- junction diagram ------------------------------------------------- */

.junction { margin: 22px 0 30px; }
.junction svg { display: block; width: 100%; height: 84px; overflow: visible; }

/* ---- output panel --------------------------------------------------- */

.output {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  padding: 18px 18px 16px;
  position: relative;
}
.output::before {
  content: "OUTPUT";
  position: absolute; top: -8px; left: 16px;
  font-size: 10px; letter-spacing: .22em; font-weight: 700;
  color: var(--signal-ink); background: var(--signal);
  padding: 2px 8px; border-radius: 4px;
}
.output-url {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 13.5px;
  color: var(--text); word-break: break-all;
}
.output-url .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); flex: none;
  box-shadow: 0 0 0 4px rgba(255,182,56,.18); }
.copy-btn {
  margin-left: auto; flex: none;
  font: inherit; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--signal); background: rgba(255,182,56,.10);
  border: 1px solid rgba(255,182,56,.35); border-radius: 8px;
  padding: 5px 10px; cursor: pointer; transition: background .15s;
}
.copy-btn:hover { background: rgba(255,182,56,.2); }
.output-meta {
  margin: 12px 0 2px; padding-top: 12px; border-top: 1px solid var(--line-soft);
  font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums;
}

/* ---- section heading ------------------------------------------------- */

.section-head {
  display: flex; align-items: baseline; gap: 10px;
  margin: 38px 0 14px;
}
.section-head h2 {
  margin: 0; font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  font-weight: 700; color: var(--muted);
}
.section-head .rule { flex: 1; height: 1px; background: var(--line-soft); }
.section-head .count { font-family: var(--mono); font-size: 12px; color: var(--faint); }

/* ---- source list --------------------------------------------------- */

.sources { display: flex; flex-direction: column; gap: 10px; list-style: none; margin: 0; padding: 0; }

.source {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .15s;
}
.source:hover { border-color: var(--line); }
.source.is-off { opacity: .55; }

.source-main {
  display: grid;
  grid-template-columns: 6px 1fr auto;
  align-items: center;
  gap: 0 16px;
}
.spine {
  align-self: stretch;
  background: var(--spine, var(--muted));
  box-shadow: 0 0 18px -2px var(--spine, transparent);
}

.source-body { padding: 13px 0; min-width: 0; }
.source-name {
  font-weight: 600; font-size: 15px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.source-sub {
  display: flex; align-items: center; gap: 8px; margin-top: 3px;
  font-family: var(--mono); font-size: 11.5px; color: var(--faint);
}
.kind {
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); border: 1px solid var(--line); border-radius: 4px;
  padding: 1px 5px; font-size: 10px;
}
.source-sub .url { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.source-actions { display: flex; align-items: center; gap: 6px; padding-right: 13px; }

.icon-btn {
  font: inherit; font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); background: none; border: 1px solid transparent;
  border-radius: 7px; padding: 6px 8px; cursor: pointer; transition: color .15s, background .15s;
}
.icon-btn:hover { color: var(--text); background: var(--panel-2); }
.icon-btn.danger:hover { color: var(--bad); }

/* physical switch */
.switch { position: relative; width: 40px; height: 22px; flex: none; }
.switch input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.switch .track {
  position: absolute; inset: 0; border-radius: 999px;
  background: var(--line); transition: background .18s;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--muted); transition: transform .18s, background .18s;
}
.switch input:checked + .track { background: rgba(99,214,138,.28); }
.switch input:checked + .track::after { transform: translateX(18px); background: var(--good); }
.switch input:focus-visible + .track { outline: 2px solid var(--signal); outline-offset: 2px; }

/* preview drawer */
.preview {
  border-top: 1px solid var(--line-soft);
  padding: 14px 16px 16px;
  background: var(--panel-2);
  font-size: 13px;
}
.preview-status { color: var(--muted); font-family: var(--mono); font-size: 12px; margin: 0 0 10px; }
.preview-status.err { color: var(--bad); }
.preview-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.preview-list li {
  display: grid; grid-template-columns: 128px 1fr; gap: 12px;
  padding: 7px 0; border-top: 1px solid var(--line-soft);
}
.preview-list li:first-child { border-top: 0; }
.preview-list .when { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.preview-list .what { color: var(--text); }
.preview-list .where { color: var(--faint); font-size: 12px; }

/* ---- add feed ----------------------------------------------------- */

.add {
  margin-top: 14px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255,255,255,.015);
}
.add form { display: grid; grid-template-columns: 1fr 1.4fr auto auto; gap: 10px; align-items: center; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label {
  font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint);
}
input[type="text"], input[type="url"], input[type="password"] {
  font: inherit; font-size: 14px;
  color: var(--text); background: var(--ink);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 9px 11px; width: 100%;
}
input::placeholder { color: var(--faint); }
input:focus-visible { outline: 2px solid var(--signal); outline-offset: 1px; border-color: transparent; }

input[type="color"] {
  -webkit-appearance: none; appearance: none;
  width: 42px; height: 40px; padding: 0;
  background: none; border: 1px solid var(--line); border-radius: 9px; cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 4px; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }

.primary-btn {
  font: inherit; font-weight: 700; font-size: 13px;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--signal-ink); background: var(--signal);
  border: none; border-radius: 9px; padding: 10px 16px; cursor: pointer;
  align-self: end; height: 40px;
  transition: filter .15s;
}
.primary-btn:hover { filter: brightness(1.08); }

.msg { margin: 10px 2px 0; min-height: 18px; font-size: 13px; color: var(--bad); font-family: var(--mono); }

.empty { color: var(--muted); font-size: 14px; padding: 8px 2px; }

/* ---- login ------------------------------------------------------- */

.login { max-width: 360px; margin: 16vh auto 0; padding: 0 20px; }
.login .mark { font-size: 15px; margin-bottom: 8px; }
.login p { color: var(--muted); font-size: 13.5px; margin: 0 0 22px; }
.login form { display: flex; flex-direction: column; gap: 12px; }
.login .primary-btn { height: 44px; align-self: stretch; }

/* ---- responsive ------------------------------------------------ */

@media (max-width: 620px) {
  .add form { grid-template-columns: 1fr; }
  .add form .primary-btn { width: 100%; }
  .source-sub .url { display: none; }
  .preview-list li { grid-template-columns: 1fr; gap: 2px; }
  .preview-list .when { order: 2; }
}

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