/* ============================================================================
   Nekten Admin Panel — stylesheet (LPHL aesthetic, panel-grade extensions)

   Base theme from the lphl tarball: light-first, navy accent, sidebar shell.
   Extensions: bilingual toggle, terminal drawer, inline SVG chart panel,
   2-step login, language pill, PWA-safe media queries.
   ============================================================================ */

:root {
  --bg:      #f4f4f6; --panel: #ffffff; --fg: #1a2744; --muted: #6b7280;
  --border:  #e4e4e7; --accent:#1a2744; --accent-fg: #ffffff; --hover: #f8f8fb;
  --ok:      #16a34a; --warn:  #d97706; --bad: #dc2626; --info: #2563eb;
  --mono:    ui-monospace, SFMono-Regular, Menlo, monospace;
}
html[data-theme="dark"] {
  --bg:      #0f1115; --panel: #1a1c22; --fg: #e8e8ec; --muted: #9ca3af;
  --border:  #2b2d35; --accent:#3b82f6; --accent-fg: #ffffff; --hover: #22242c;
}

/* Backward-compat aliases for the old arch-era palette used inline in some
   page templates. They map onto the LPHL semantic vars so inline styles like
   `--card-color: var(--green)` keep working. */
:root {
  --green: var(--ok);    --red:    var(--bad);   --yellow: var(--warn);
  --cyan:  var(--info);  --purple: #7c3aed;      --orange: #ea580c;
  --accent-alt: var(--accent);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Inter, sans-serif;
  background: var(--bg); color: var(--fg); min-height: 100dvh; font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================================
   Bilingual toggle — the whole i18n engine.
   ============================================================================ */
html[data-lang="en"] .gr { display: none; }
html[data-lang="gr"] .en { display: none; }

/* ============================================================================
   Shell: sidebar + main.
   ============================================================================ */
.shell { display: grid; grid-template-columns: 230px 1fr; min-height: 100dvh; }

nav.side {
  background: var(--panel); border-right: 1px solid var(--border);
  padding: 1rem 0 0; position: sticky; top: 0; align-self: start;
  height: 100dvh; overflow-y: auto; display: flex; flex-direction: column;
}
nav.side h1 {
  font-size: 1.1rem; margin: 0 1rem 1rem; color: var(--accent);
  font-weight: 600; letter-spacing: -.01em;
}
nav.side h1 .spark { opacity: .85; }

nav.side .group {
  font-size: .66rem; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
  padding: .75rem 1rem .2rem; margin-top: .2rem;
}

nav.side a.item {
  display: block; padding: .4rem 1rem; color: var(--fg);
  border-left: 3px solid transparent; font-weight: 500;
}
nav.side a.item:hover { background: var(--hover); text-decoration: none; }
nav.side a.item.active {
  border-left-color: var(--accent); background: var(--hover); color: var(--accent);
}

nav.side .foot {
  margin-top: auto; background: var(--panel); padding: .85rem 1rem;
  border-top: 1px solid var(--border); font-size: .82rem; color: var(--muted);
}
nav.side .foot .who { margin-bottom: .45rem; font-family: var(--mono); font-size: .76rem; }
nav.side .foot .actions { display: flex; gap: .3rem; align-items: center; flex-wrap: wrap; }
nav.side .foot button, nav.side .foot .btn {
  font-size: .75rem; padding: .28rem .55rem;
}

/* Language toggle (small pill in sidebar footer) */
.lang-toggle {
  display: inline-flex; border: 1px solid var(--border);
  border-radius: 4px; overflow: hidden;
}
.lang-toggle button {
  background: transparent; border: 0; color: var(--muted);
  font-size: .65rem; font-weight: 600; padding: .28rem .45rem;
  cursor: pointer; font-family: inherit;
}
.lang-toggle button.active { background: var(--accent); color: var(--accent-fg); }

main { padding: 1.5rem 2rem 3rem; overflow-x: auto; max-width: 100%; }
main h2 { margin: 0 0 1rem; font-weight: 500; font-size: 1.4rem; }
main h3 {
  margin: 1.75rem 0 .6rem; font-weight: 500; font-size: .78rem;
  color: var(--muted); text-transform: uppercase; letter-spacing: .08em;
}
main h4 { margin: 1.2rem 0 .5rem; font-weight: 600; font-size: 1rem; }
main p  { margin: 0 0 1rem; }

.section-label {
  margin: 1.75rem 0 .6rem; font-weight: 500; font-size: .78rem;
  color: var(--muted); text-transform: uppercase; letter-spacing: .08em;
}

/* ============================================================================
   Cards / grid
   ============================================================================ */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: .5rem;
  padding: 1rem; transition: border-color .12s;
}
.card.clickable { cursor: pointer; }
.card.clickable:hover { border-color: var(--accent); }
.card.loading { opacity: .55; cursor: progress; }
.card h4 {
  margin: 0 0 .3rem; font-size: .7rem; color: var(--muted);
  font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
}
.card .val { font-size: 1.3rem; font-family: var(--mono); font-weight: 500; }
.card .sub { font-size: .8rem; color: var(--muted); margin-top: .25rem; }
.card .sub.ok { color: var(--ok); } .card .sub.warn { color: var(--warn); } .card .sub.bad { color: var(--bad); }
.card .card-title { font-weight: 500; margin-bottom: .2rem; }
.card .card-desc  { font-size: .82rem; color: var(--muted); line-height: 1.35; }

/* Back-compat for arch-era markup. Keeps old pages readable without rewrites. */
.card.readonly { cursor: default; }
.card.readonly:hover { border-color: var(--border); }
.card { position: relative; }
.card-top {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--card-color, var(--accent)); opacity: .55;
  border-radius: .5rem .5rem 0 0;
}
.card-icon {
  display: inline-block; font-size: 1.1rem; margin-right: .35rem;
  vertical-align: -0.1em; opacity: .85;
}
.card-badge {
  position: absolute; top: .55rem; right: .75rem;
  font-size: .65rem; color: var(--muted);
  letter-spacing: .05em; text-transform: uppercase;
}

/* ============================================================================
   Tables
   ============================================================================ */
table {
  width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--border); border-radius: .5rem; overflow: hidden;
  margin-bottom: 1rem;
}
th, td { padding: .55rem .8rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .9rem; }
th {
  background: var(--bg); font-weight: 500; color: var(--muted);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
}
tr:last-child td { border-bottom: 0; }
tr:hover td { background: var(--hover); }
td.mono, .mono { font-family: var(--mono); font-size: .82rem; }

/* ============================================================================
   Buttons / forms
   ============================================================================ */
button, .btn {
  display: inline-block; padding: .4rem .8rem; font-size: .85rem; cursor: pointer;
  background: var(--accent); color: var(--accent-fg); border: 0; border-radius: .25rem;
  font-family: inherit; font-weight: 500;
}
button:hover, .btn:hover { filter: brightness(1.1); text-decoration: none; }
button[disabled] { opacity: .5; cursor: not-allowed; filter: none; }
button.ghost, .btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--border); }
button.ghost:hover, .btn.ghost:hover { background: var(--hover); filter: none; }
button.bad,  .btn.bad  { background: var(--bad); }
button.warn, .btn.warn { background: var(--warn); }
button.btn-sm, .btn-sm { padding: .25rem .55rem; font-size: .78rem; }

input, select, textarea {
  width: 100%; padding: .4rem .5rem; font-family: inherit; font-size: .9rem;
  background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: .25rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px;
}
label { display: block; font-size: .78rem; color: var(--muted); margin: .6rem 0 .2rem; }
.form-row { display: flex; gap: .5rem; align-items: end; flex-wrap: wrap; }
.form-row label { flex: 1 1 auto; margin-top: 0; min-width: 160px; }
.form-row button, .form-row .btn { flex-shrink: 0; }

.flex { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.row-actions { display: inline-flex; gap: .3rem; flex-wrap: wrap; }

/* ============================================================================
   Flash / pills / pre
   ============================================================================ */
pre {
  background: var(--bg); padding: .75rem; border-radius: .3rem;
  font-family: var(--mono); font-size: .82rem; overflow-x: auto; line-height: 1.4;
  border: 1px solid var(--border); max-height: 420px; white-space: pre-wrap;
  word-break: break-word; margin: 0 0 1rem;
}
.flash { padding: .55rem .8rem; border-radius: .3rem; margin-bottom: 1rem; font-size: .88rem; }
.flash.ok   { background: rgba(22,163,74,.12); color: var(--ok);   border: 1px solid var(--ok); }
.flash.err  { background: rgba(220,38,38,.12); color: var(--bad);  border: 1px solid var(--bad); }
.flash.warn { background: rgba(217,119,6,.12); color: var(--warn); border: 1px solid var(--warn); }
.flash.info { background: rgba(37,99,235,.10); color: var(--info); border: 1px solid var(--info); }

.pill {
  display: inline-block; padding: .1rem .45rem; border-radius: 1rem;
  font-size: .7rem; font-weight: 500; text-transform: uppercase; letter-spacing: .04em;
}
.pill.ok    { background: rgba(22,163,74,.15); color: var(--ok); }
.pill.warn  { background: rgba(217,119,6,.15); color: var(--warn); }
.pill.bad   { background: rgba(220,38,38,.15); color: var(--bad); }
.pill.muted { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.muted      { color: var(--muted); }

/* ============================================================================
   Login
   ============================================================================ */
body.login-body { display: grid; place-items: center; min-height: 100dvh; padding: 1rem; }
.login-card {
  background: var(--panel); padding: 2rem; border-radius: .6rem;
  border: 1px solid var(--border); width: 360px; max-width: 100%;
}
.login-card h1 { font-size: 1.25rem; margin: 0 0 .25rem; font-weight: 600; color: var(--accent); }
.login-card .sub  { color: var(--muted); font-size: .82rem; margin-bottom: 1.3rem; }
.login-card .step {
  display: inline-block; font-size: .68rem; color: var(--muted);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 1rem; padding: .12rem .5rem; margin-bottom: 1rem;
  letter-spacing: .06em; text-transform: uppercase;
}
.login-card button { width: 100%; margin-top: 1rem; padding: .6rem; }

/* ============================================================================
   Terminal output drawer (card-click → runAction flows)
   ============================================================================ */
.output-wrap {
  display: none; position: fixed; right: 1.25rem; bottom: 1.25rem; left: 1.25rem;
  z-index: 300; background: var(--panel); border: 1px solid var(--border);
  border-radius: .5rem; overflow: hidden;
  box-shadow: 0 12px 36px rgba(0,0,0,.12);
  max-height: 70vh; flex-direction: column;
}
.output-wrap.open { display: flex; }
.output-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .5rem .9rem; background: var(--bg); border-bottom: 1px solid var(--border);
  font-size: .82rem;
}
.output-title { font-family: var(--mono); color: var(--muted); }
.btn-close {
  background: none; border: 0; color: var(--muted); font-size: 1rem;
  padding: 0; cursor: pointer; width: auto; font-weight: 400;
}
.btn-close:hover { color: var(--fg); filter: none; }
.terminal {
  flex: 1; margin: 0; border-radius: 0; border-width: 0; max-height: 60vh;
  background: var(--bg); color: var(--fg);
  font-family: var(--mono); font-size: .82rem; padding: 1rem;
  overflow: auto; white-space: pre-wrap; word-break: break-word;
}
html[data-theme="dark"] .terminal { background: #0b0d12; color: #cfe7ff; }

.range-btn.active { background: var(--accent); color: var(--accent-fg); }

/* Small utilities + responsive */
.mb   { margin-bottom: 1rem; }
.mb2  { margin-bottom: 2rem; }
.kpi  { font-size: 1.15rem; font-weight: 600; color: var(--fg); }

@media (min-width: 900px) {
  .output-wrap { right: 1.5rem; left: auto; bottom: 1.5rem; width: 640px; max-height: 60vh; }
}

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  nav.side {
    position: static; height: auto; padding-bottom: 1rem;
    border-right: 0; border-bottom: 1px solid var(--border);
  }
  nav.side .group { padding-top: .5rem; }
  nav.side .foot { position: static; }
  main { padding: 1rem; }
}