/* CSS specific verifica.html — pagină publică de verificare semnături.
   Pagină standalone cu propriile variabile CSS locale pe body (--bg, --surface,
   --success, --muted, --mono, --sans). Font IBM Plex încărcat prin @import
   Google Fonts. Nu depinde de shell.css.
   Depinde de: tokens.css, components.css (încărcate înainte). */

  @import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=IBM+Plex+Sans:wght@300;400;600;700&display=swap');

  * { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    --bg:      #07090f;
    --surface: #0d1020;
    --success: #10b981;
    --muted:   rgba(234,240,255,.45);
    --mono:    'IBM Plex Mono', monospace;
    --sans:    'IBM Plex Sans', sans-serif;
    background: var(--bg);
    color: var(--df-text);
    font-family: var(--sans);
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* Grid background */
  body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
      linear-gradient(rgba(45,212,191,.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(45,212,191,.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none; z-index: 0;
  }

  .wrap {
    position: relative; z-index: 1;
    max-width: 820px; margin: 0 auto; padding: 40px 20px 80px;
  }

  /* ── Header ── */
  .hdr {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 48px;
  }
  .hdr-logo {
    width: 38px; height: 38px;
    background: linear-gradient(135deg, var(--df-brand), var(--df-teal));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; font-weight: 700; color: #fff;
    font-family: var(--mono); letter-spacing: -.05em;
  }
  .hdr-brand { font-weight: 700; font-size: .95rem; color: var(--df-text); }
  .hdr-sub   { font-size: .72rem; color: var(--muted); }
  .hdr-sep   { flex: 1; height: 1px; background: var(--df-border-2); }
  .hdr-badge {
    font-family: var(--mono); font-size: .7rem;
    padding: 4px 10px; border-radius: 20px;
    border: 1px solid rgba(45,212,191,.3);
    color: var(--df-teal); background: rgba(45,212,191,.06);
  }

  /* ── Hero ── */
  .hero { margin-bottom: 40px; }
  .hero h1 {
    font-size: 2rem; font-weight: 700; letter-spacing: -.03em;
    line-height: 1.2; margin-bottom: 10px;
  }
  .hero h1 span { color: var(--df-teal); }
  .hero p { color: var(--muted); font-size: .9rem; line-height: 1.7; max-width: 560px; }

  /* ── Tabs ── */
  .tabs {
    display: flex; gap: 0;
    border: 1px solid var(--df-border-2); border-radius: 12px; overflow: hidden;
    margin-bottom: 28px; width: fit-content;
  }
  .tab {
    padding: 10px 22px; font-size: .85rem; font-weight: 600;
    cursor: pointer; border: none; background: transparent;
    color: var(--muted); transition: all .15s; font-family: var(--sans);
    border-right: 1px solid var(--df-border-2);
  }
  .tab:last-child { border-right: none; }
  .tab.active {
    background: rgba(45,212,191,.1); color: var(--df-teal);
  }
  .tab:hover:not(.active) { color: var(--df-text); background: rgba(255,255,255,.03); }

  /* ── Cards ── */
  .card {
    background: var(--surface);
    border: 1px solid var(--df-border-2);
    border-radius: 16px; padding: 28px;
    margin-bottom: 20px;
  }

  /* ── Input ── */
  .input-row { display: flex; gap: 10px; align-items: stretch; }
  .inp {
    flex: 1; padding: 13px 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--df-border-2);
    border-radius: 10px; color: var(--df-text);
    font-family: var(--mono); font-size: .95rem; outline: none;
    transition: border-color .15s;
  }
  .inp:focus { border-color: var(--df-teal); }
  .inp::placeholder { color: var(--muted); font-family: var(--sans); font-size: .88rem; }

  .btn-verify {
    padding: 13px 28px;
    background: linear-gradient(135deg, var(--df-brand), var(--df-teal));
    border: none; border-radius: 10px;
    color: #fff; font-weight: 700; font-size: .9rem;
    cursor: pointer; font-family: var(--sans);
    transition: opacity .15s; white-space: nowrap;
  }
  .btn-verify:hover { opacity: .88; }
  .btn-verify:disabled { opacity: .4; cursor: default; }

  /* ── Upload zone ── */
  .upload-zone {
    border: 2px dashed rgba(255,255,255,.12);
    border-radius: 12px; padding: 40px 20px;
    text-align: center; cursor: pointer;
    transition: all .2s;
  }
  .upload-zone:hover, .upload-zone.drag {
    border-color: var(--df-teal); background: rgba(45,212,191,.04);
  }
  .upload-zone .icon { font-size: 2rem; margin-bottom: 10px; }
  .upload-zone .label { font-size: .88rem; color: var(--muted); }
  .upload-zone .label strong { color: var(--df-teal); }

  /* ── Result panel ── */
  #result { display: none; }

  .verdict {
    border-radius: 14px; padding: 22px 24px;
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 24px;
  }
  .verdict.valid   { background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.3); }
  .verdict.invalid { background: rgba(239,68,68,.08);  border: 1px solid rgba(239,68,68,.3); }
  .verdict.partial { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.3); }
  .verdict-icon  { font-size: 2.2rem; flex-shrink: 0; }
  .verdict-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
  .verdict.valid   .verdict-title { color: var(--success); }
  .verdict.invalid .verdict-title { color: var(--df-danger); }
  .verdict.partial .verdict-title { color: var(--df-warning); }
  .verdict-sub   { font-size: .82rem; color: var(--muted); }

  /* ── Level bars ── */
  .levels { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 24px; }
  @media (max-width: 600px) { .levels { grid-template-columns: 1fr; } }

  .level-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px; border-radius: 10px;
    background: rgba(255,255,255,.03); border: 1px solid var(--df-border-2);
  }
  .level-dot {
    width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
  }
  .level-dot.ok      { background: var(--success); box-shadow: 0 0 6px var(--success); }
  .level-dot.fail    { background: var(--df-danger);  box-shadow: 0 0 6px var(--df-danger); }
  .level-dot.partial { background: var(--df-warning);    box-shadow: 0 0 6px var(--df-warning); }
  .level-dot.unknown { background: rgba(255,255,255,.2); }
  .level-name { font-size: .8rem; color: var(--muted); }
  .level-status { font-size: .75rem; font-weight: 600; margin-top: 2px; }
  .level-status.ok      { color: var(--success); }
  .level-status.fail    { color: var(--df-danger); }
  .level-status.partial { color: var(--df-warning); }
  .level-status.unknown { color: rgba(255,255,255,.35); }

  /* ── Info grid ── */
  .info-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
    margin-bottom: 20px;
  }
  @media (max-width: 600px) { .info-grid { grid-template-columns: 1fr; } }

  .info-box {
    background: rgba(255,255,255,.03); border: 1px solid var(--df-border-2);
    border-radius: 10px; padding: 14px 16px;
  }
  .info-box .lbl { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 5px; }
  .info-box .val { font-size: .9rem; font-weight: 600; word-break: break-all; }
  .info-box .val.mono { font-family: var(--mono); font-size: .8rem; }

  /* ── Chain ── */
  .chain {
    display: flex; flex-direction: column; gap: 0;
    border: 1px solid var(--df-border-2); border-radius: 10px; overflow: hidden;
    margin-bottom: 20px;
  }
  .chain-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 16px; font-size: .83rem;
    border-bottom: 1px solid var(--df-border-2);
    position: relative;
  }
  .chain-item:last-child { border-bottom: none; }
  .chain-icon { font-size: 1rem; flex-shrink: 0; }
  .chain-cn   { font-weight: 600; }
  .chain-org  { color: var(--muted); font-size: .75rem; }
  .chain-badge {
    margin-left: auto; padding: 2px 8px; border-radius: 8px;
    font-size: .68rem; font-weight: 700; text-transform: uppercase;
  }
  .chain-badge.root { background: rgba(124,92,255,.15); color: #b39dff; }
  .chain-badge.ca   { background: rgba(45,212,191,.1);  color: var(--df-teal); }
  .chain-badge.end  { background: rgba(16,185,129,.1);  color: var(--success); }

  /* ── Signers table ── */
  .signers { width: 100%; border-collapse: collapse; font-size: .84rem; }
  .signers th { text-align: left; padding: 8px 12px; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--df-border-2); }
  .signers td { padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,.04); }
  .signers tr:last-child td { border-bottom: none; }
  .signed-badge { padding: 2px 8px; border-radius: 8px; font-size: .72rem; font-weight: 700; }
  .signed-badge.signed   { background: rgba(16,185,129,.12); color: var(--success); }
  .signed-badge.unsigned { background: rgba(239,68,68,.12);  color: var(--df-danger); }

  /* ── DB info ── */
  .db-info {
    border-top: 1px solid var(--df-border-2); padding-top: 20px; margin-top: 20px;
  }
  .db-info .section-title {
    font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--df-brand); font-weight: 700; margin-bottom: 14px;
  }

  /* ── Spinner ── */
  .spinner {
    display: inline-block; width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,.15);
    border-top-color: var(--df-teal);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle; margin-right: 6px;
  }
  @keyframes spin { to { transform: rotate(360deg); } }

  /* ── Loading state ── */
  #loading {
    display: none; text-align: center; padding: 40px;
    color: var(--muted); font-size: .9rem;
  }

  /* ── Error ── */
  .err-box {
    background: rgba(239,68,68,.07); border: 1px solid rgba(239,68,68,.25);
    border-radius: 10px; padding: 14px 16px;
    color: #fca5a5; font-size: .85rem; margin-bottom: 16px; display: none;
  }

  /* ── Section titles ── */
  .sec-title {
    font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--muted); font-weight: 700; margin-bottom: 12px;
  }

  /* ── Footer ── */
  .footer {
    margin-top: 60px; padding-top: 20px;
    border-top: 1px solid var(--df-border-2);
    text-align: center; font-size: .75rem; color: var(--muted);
  }
  .footer a { color: var(--df-teal); text-decoration: none; }
