/* school.rm.gr — ενιαίο stylesheet (χωρίς εξωτερικές γραμματοσειρές) */
:root {
  --bg: #fdf8f1;
  --surface: #ffffff;
  --ink: #2b2a33;
  --muted: #6b6676;
  --line: #e9e1d6;
  --brand: #e2683c;
  --brand-ink: #ffffff;
  --brand-dark: #b9481f;
  --accent: #2f8f83;
  --warn: #a35a00;
  --warn-bg: #fff3dc;
  --ok: #24785a;
  --ok-bg: #e5f5ec;
  --err: #b3261e;
  --err-bg: #fdeceb;
  --c1: #e2683c; --c2: #2f8f83; --c3: #6a5acd;
  --tablet: #3b3a46; --screen: #fff7e8;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(43, 42, 51, .06), 0 4px 16px rgba(43, 42, 51, .06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Ubuntu, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Noto Sans Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1c22; --surface: #26252d; --ink: #f1eee8; --muted: #aaa5b3; --line: #3a3843;
    --brand: #f08a5d; --brand-ink: #1d1c22; --brand-dark: #f6a882; --accent: #5cc2b4;
    --warn: #ffc46b; --warn-bg: #3d2f12; --ok: #7fd6ad; --ok-bg: #173329; --err: #ff8a80; --err-bg: #3d1c1a;
    --tablet: #0f0f14; --screen: #34323d;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.55 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--brand-dark); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
h1 { font-size: 1.75rem; line-height: 1.2; margin: .2em 0 .6em; letter-spacing: -.01em; }
h2 { font-size: 1.2rem; margin: 0 0 .6em; }
h3 { font-size: 1.05rem; margin: 1.2em 0 .4em; }
code, pre, .code { font-family: var(--mono); font-size: .88em; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: .5em 1em; z-index: 10; }
.skip:focus { left: 1em; }

main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 64px; }
body.auth main, body.plain main { max-width: 560px; padding-top: 8vh; }

/* Πλοήγηση */
.topnav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topnav .brand { font-weight: 700; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 6px; }
.topnav .logo { color: var(--brand); font-size: 1.3em; line-height: 1; }
.topnav ul { display: flex; flex-wrap: wrap; gap: 2px; list-style: none; margin: 0; padding: 0; flex: 1; }
.topnav ul a { display: block; padding: 8px 12px; border-radius: 999px; text-decoration: none; color: var(--ink); min-height: 40px; }
.topnav ul a:hover { background: var(--bg); }
.topnav ul a[aria-current="page"] { background: var(--brand); color: var(--brand-ink); }
.logout { display: flex; align-items: center; gap: 10px; margin: 0; }
.whoami { font-weight: 600; }

/* Κάρτες & φόρμες */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 16px 0; box-shadow: var(--shadow); }
.card.narrow { max-width: 520px; margin-inline: auto; }
.card.highlight { border-color: var(--brand); }
.stack { display: grid; gap: 14px; }
.stack.wide { max-width: none; }
.inline { display: inline-flex; flex-wrap: wrap; align-items: end; gap: 10px; margin: 0; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
label.check { display: flex; align-items: center; gap: 10px; font-weight: 500; min-height: 40px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 0; }
legend { font-weight: 600; padding: 0 6px; }
input, select, textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-height: 44px; width: 100%; }
input[type="checkbox"] { width: 22px; height: 22px; min-height: 0; accent-color: var(--brand); }
input[type="file"] { padding: 8px; }
textarea.code { font-family: var(--mono); font-size: .9rem; line-height: 1.45; tab-size: 2; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); outline: 2px solid color-mix(in srgb, var(--brand) 35%, transparent); outline-offset: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--brand); color: var(--ink); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: var(--brand-ink); }
.btn.danger { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, var(--line)); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.big { font-size: 1.1rem; padding: 14px 26px; min-height: 52px; }
.btn-link { background: none; border: 0; padding: 6px 4px; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; min-height: 40px; }
.btn-link.danger { color: var(--err); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
.actions form { margin: 0; }

.flash { padding: 12px 16px; border-radius: 10px; margin: 0 0 16px; font-weight: 600; }
.flash-ok { background: var(--ok-bg); color: var(--ok); }
.flash-error { background: var(--err-bg); color: var(--err); }
.notice { background: var(--warn-bg); color: var(--warn); padding: 10px 14px; border-radius: 10px; }
.warn { color: var(--warn); font-weight: 600; font-size: .85em; }
.ok { color: var(--ok); font-weight: 700; }

/* Πίνακες */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: color-mix(in srgb, var(--bg) 60%, var(--surface)); }
tr:last-child td { border-bottom: 0; }
td audio { display: block; margin-top: 6px; height: 34px; max-width: 260px; }
.hash { font-size: .75rem; word-break: break-all; display: inline-block; max-width: 18ch; }
.details { font-size: .78rem; word-break: break-word; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .8rem; font-weight: 700; white-space: nowrap; }
.status-draft { background: #eeeaf6; color: #5a4e86; }
.status-reviewed { background: #e3f0fb; color: #1f5f93; }
.status-approved { background: #e5f5ec; color: #1e6b4f; }
.status-published { background: #fde9df; color: #a2421c; }
.badge-on { background: var(--ok-bg); color: var(--ok); }
.badge-off { background: var(--err-bg); color: var(--err); }
.tag { display: inline-block; background: var(--bg); border: 1px solid var(--line); padding: 1px 8px; border-radius: 999px; font-size: .82rem; margin: 1px 0; }
.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { background: var(--bg); padding: 4px 10px; border-radius: 10px; }
.lang { display: inline-block; min-width: 2.2em; font-family: var(--mono); font-size: .78rem; color: var(--muted); text-transform: uppercase; }
ul.texts { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.kv { display: grid; grid-template-columns: minmax(140px, max-content) 1fr; gap: 6px 18px; margin: 0; }
.kv dt { color: var(--muted); font-weight: 600; }
.kv dd { margin: 0; }
.pre { white-space: pre-wrap; }
pre.json, pre.licenses { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px; max-height: 480px; overflow: auto; }
.history { padding-left: 1.1em; margin: .4em 0; }
.page-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.page-head h1 { margin: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 8px; }
.filters a { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); text-decoration: none; color: var(--ink); }
.filters a[aria-current="true"] { background: var(--ink); color: var(--bg); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 8px 0 20px; }
.stat { display: grid; padding: 16px; border-radius: var(--radius); text-decoration: none; font-weight: 600; }
.stat .n { font-size: 2rem; line-height: 1.1; }

/* Diff */
table.diff td { width: 50%; padding: 2px 10px; border-bottom: 0; }
table.diff pre { font-size: .82rem; }
.d-del td:first-child, .legend .d-del { background: var(--err-bg); }
.d-add td:last-child, .legend .d-add { background: var(--ok-bg); }
.d-mod td, .legend .d-mod { background: var(--warn-bg); }
.legend span { padding: 2px 8px; border-radius: 6px; margin-right: 8px; }

/* Auth */
.steps { padding-left: 1.2em; }
.qr { margin: 12px 0; text-align: center; }
.qr img { background: #fff; padding: 8px; border-radius: 12px; }
.secret code { font-size: 1.05rem; letter-spacing: .06em; background: var(--bg); padding: 4px 8px; border-radius: 8px; word-break: break-all; }
.codes { columns: 2; list-style: none; padding: 0; font-size: 1.1rem; }
.codes li { padding: 4px 0; }

/* Προεπισκόπηση tablet */
.scale-toggle { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.device-wrap { overflow: auto; padding: 8px 0; }
.device { width: 1340px; height: 800px; transform-origin: top left; border: 14px solid var(--tablet); border-radius: 28px; box-sizing: content-box; background: #000; }
.device iframe { display: block; border: 0; width: 1340px; height: 800px; border-radius: 6px; background: var(--screen); }

/* Αρχική σελίδα */
body.landing { background:
  radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--c1) 14%, transparent) 0, transparent 40%),
  radial-gradient(circle at 95% 20%, color-mix(in srgb, var(--c2) 14%, transparent) 0, transparent 40%), var(--bg); }
body.landing main { max-width: 1080px; padding-top: 6vh; }
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.08; }
.hero h1 span { color: var(--brand); }
.eyebrow { text-transform: uppercase; letter-spacing: .1em; font-size: .8rem; font-weight: 700; color: var(--accent); margin: 0; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 52ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-art { display: flex; justify-content: center; }
.hero-art svg { max-width: 100%; height: auto; filter: drop-shadow(0 12px 24px rgba(0,0,0,.12)); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 48px 0; }
.features article { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.features article:nth-child(1) { border-top: 4px solid var(--c1); }
.features article:nth-child(2) { border-top: 4px solid var(--c2); }
.features article:nth-child(3) { border-top: 4px solid var(--c3); }
.features p { margin: 0; color: var(--muted); }
.site-foot { border-top: 1px solid var(--line); padding-top: 16px; font-size: .92rem; }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .kv { grid-template-columns: 1fr; }
  .codes { columns: 1; }
  .topnav ul { order: 3; flex-basis: 100%; overflow-x: auto; flex-wrap: nowrap; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }