/* -------------------------------------------------------------------------
   PDF Green Tick Verifier — theme
   Trust-oriented corporate blue/green
   Primary Navy #0F172A · Emerald #10B981 · Slate #F8FAFC
   ------------------------------------------------------------------------- */

:root {
  --navy-900:#0F172A;
  --navy-800:#1E293B;
  --navy-700:#334155;
  --slate-500:#64748B;
  --slate-300:#CBD5E1;
  --slate-200:#E2E8F0;
  --slate-100:#F1F5F9;
  --bg:#F8FAFC;
  --emerald-500:#10B981;
  --emerald-600:#059669;
  --emerald-050:#ECFDF5;
  --amber-500:#F59E0B;
  --amber-050:#FEF3C7;
  --red-500:#EF4444;
  --red-050:#FEE2E2;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 8px 24px -12px rgba(15,23,42,.15), 0 2px 6px rgba(15,23,42,.05);
  --shadow-lg: 0 20px 48px -24px rgba(15,23,42,.25);

  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--navy-900); }
body {
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}
code, .mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.text-emerald { color: var(--emerald-500) !important; }

/* --- NAV --- */
.app-nav {
  background: #ffffffdd;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  padding: .75rem 0;
}
.brand-text { font-weight: 700; letter-spacing: -0.02em; color: var(--navy-900); }
.nav-link-plain { color: var(--slate-500); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav-link-plain:hover { color: var(--navy-900); }

/* --- HERO --- */
.hero {
  padding: 4rem 0 3rem;
  background:
    radial-gradient(ellipse at top left, rgba(16,185,129,.08), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(15,23,42,.04), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--slate-200);
  position: relative;
  overflow: hidden;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(15,23,42,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, black 0%, transparent 85%);
  pointer-events:none;
}
.hero .container { position: relative; z-index: 1; }

.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .3rem .8rem; border-radius: 999px;
  background: white; border: 1px solid var(--slate-200);
  font-size: .8rem; font-weight: 500; color: var(--slate-500);
  box-shadow: var(--shadow-sm);
}
.pill-slate { background: var(--navy-900); color: white; border-color: var(--navy-900); }
.dot-pulse{
  width:8px;height:8px;border-radius:50%;background:var(--emerald-500);
  box-shadow:0 0 0 0 rgba(16,185,129,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(16,185,129,.6);}
  70%{box-shadow:0 0 0 10px rgba(16,185,129,0);}
  100%{box-shadow:0 0 0 0 rgba(16,185,129,0);}
}
.hero-title { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
.hero-sub   { font-size: 1.1rem; color: var(--slate-500); max-width: 620px; margin-top: 1.25rem; line-height: 1.55; }

.hero-stats { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.hero-stats > div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 1.4rem; font-weight: 700; color: var(--navy-900); line-height: 1; }
.hero-stats span { font-size: .8rem; color: var(--slate-500); margin-top: .3rem; text-transform: uppercase; letter-spacing: .08em; }

/* --- Preview cards --- */
.verdict-preview { display: flex; flex-direction: column; gap: .8rem; }
.vp-card {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  background: white; border-radius: var(--radius);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-md);
  transform: translateX(0);
  transition: transform .3s ease, box-shadow .3s ease;
}
.vp-card:hover{ transform: translateX(4px); box-shadow: var(--shadow-lg); }
.vp-ico {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 12px; display:flex;align-items:center;justify-content:center;
  font-weight:700; font-size:1.4rem; color:white;
}
.vp-green .vp-ico { background: var(--emerald-500); }
.vp-amber .vp-ico { background: var(--amber-500); }
.vp-red   .vp-ico { background: var(--red-500); }
.vp-title { font-weight: 600; color: var(--navy-900); }
.vp-sub   { font-size: .85rem; color: var(--slate-500); }

/* --- Panels --- */
.panel {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--shadow-sm);
}
.panel-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem;
}
.panel-title { font-size: 1.25rem; font-weight: 600; margin: 0; }
.panel-sub   { color: var(--slate-500); font-size: .95rem; margin: .3rem 0 0; }
.hint { color: var(--slate-500); font-size: .85rem; }

/* --- Dropzone --- */
.dropzone {
  display: block; cursor: pointer;
  border: 2px dashed var(--slate-300);
  border-radius: var(--radius);
  padding: 3rem 1.5rem;
  text-align: center;
  background: linear-gradient(180deg, var(--slate-100) 0%, white 100%);
  transition: all .25s ease;
}
.dropzone:hover, .dropzone.dz-hover {
  border-color: var(--emerald-500);
  background: linear-gradient(180deg, var(--emerald-050) 0%, white 100%);
  transform: translateY(-2px);
}
.dz-icon   { color: var(--emerald-500); margin-bottom: .8rem; display: inline-block; }
.dz-title  { font-weight: 600; font-size: 1.2rem; color: var(--navy-900); }
.dz-sub    { color: var(--slate-500); margin-top: .3rem; }
.link-emerald { color: var(--emerald-600); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.dz-file   {
  margin-top: 1rem; color: var(--navy-900); font-weight: 500;
  font-family: "JetBrains Mono", monospace; font-size: .9rem;
}

/* --- Buttons --- */
.btn { border-radius: 10px; font-weight: 600; letter-spacing: -0.01em; }
.btn-emerald { background: var(--emerald-500); color: white; border: 1px solid var(--emerald-500); }
.btn-emerald:hover { background: var(--emerald-600); border-color: var(--emerald-600); color: white; transform: translateY(-1px); }
.btn-slate { background: var(--navy-900); color: white; border: 1px solid var(--navy-900); }
.btn-slate:hover { background: var(--navy-800); color: white; }
.btn-outline-slate { background: transparent; color: var(--navy-900); border: 1px solid var(--slate-300); }
.btn-outline-slate:hover { background: var(--navy-900); color: white; border-color: var(--navy-900); }
.btn-ghost { background: transparent; color: var(--slate-500); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--slate-100); color: var(--navy-900); }

/* --- Verdict banner --- */
.verdict-banner {
  display: flex; align-items: center; gap: 1.2rem;
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius);
  color: white;
  background: var(--navy-900);
  box-shadow: var(--shadow-md);
  animation: slideIn .35s ease;
}
.verdict-banner.v-VERIFIED  { background: linear-gradient(135deg, #059669 0%, #10B981 100%); }
.verdict-banner.v-UNTRUSTED { background: linear-gradient(135deg, #D97706 0%, #F59E0B 100%); }
.verdict-banner.v-MODIFIED,
.verdict-banner.v-INVALID   { background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%); }
.verdict-banner.v-UNSIGNED  { background: linear-gradient(135deg, #475569 0%, #64748B 100%); }
@keyframes slideIn { from{opacity:0; transform: translateY(8px);} to{opacity:1; transform: translateY(0);} }

.vb-badge {
  width: 64px; height: 64px; flex-shrink: 0;
  background: rgba(255,255,255,.2);
  border: 2px solid rgba(255,255,255,.35);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 700;
}
.vb-title { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.01em; }
.vb-sub   { font-size: .95rem; opacity: .9; margin-top: .2rem; }
.vb-body  { flex: 1; }

/* --- Signature cards --- */
.sig-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--slate-200); padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm); height: 100%;
}
.sig-card .sig-head {
  display: flex; align-items: center; gap: .8rem;
  margin-bottom: 1rem;
}
.sig-badge {
  padding: .3rem .7rem; border-radius: 999px; font-size: .78rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
}
.sig-badge.VERIFIED  { background: var(--emerald-050); color: var(--emerald-600); }
.sig-badge.UNTRUSTED { background: var(--amber-050);   color: #B45309; }
.sig-badge.MODIFIED,
.sig-badge.INVALID   { background: var(--red-050);     color: #B91C1C; }
.sig-idx { color: var(--slate-500); font-size: .9rem; font-weight: 500; }

.kv-row {
  display: grid; grid-template-columns: 130px 1fr; gap: .5rem 1rem;
  padding: .55rem 0; border-bottom: 1px dashed var(--slate-200);
  font-size: .92rem;
}
.kv-row:last-child { border-bottom: 0; }
.kv-key { color: var(--slate-500); font-weight: 500; }
.kv-val { color: var(--navy-900); font-weight: 500; word-break: break-word; }
.kv-val.mono { font-family: "JetBrains Mono", monospace; font-size: .82rem; }

.check-row { display: flex; gap: 1rem; margin-top: 1rem; padding: .8rem; background: var(--slate-100); border-radius: 10px; }
.check-item { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.check-item.ok  { color: var(--emerald-600); }
.check-item.bad { color: #B91C1C; }
.check-item .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; }

/* --- Steps --- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.2rem; }
.steps li {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.1rem 1.2rem;
  background: var(--slate-100);
  border-radius: 12px;
  border: 1px solid var(--slate-200);
}
.step-num {
  font-family: "JetBrains Mono", monospace;
  font-weight: 600; color: var(--emerald-600);
  font-size: .9rem;
}

/* --- CA grid --- */
.ca-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.ca-card {
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  padding: 1rem 1.1rem;
  border-radius: 10px;
}
.ca-card b { display: block; color: var(--navy-900); font-weight: 600; margin-bottom: .3rem; font-size: .95rem; }
.ca-card small { color: var(--slate-500); font-family: "JetBrains Mono", monospace; }

/* --- Footer --- */
.app-footer { padding: 2rem 0; border-top: 1px solid var(--slate-200); background: white; color: var(--slate-500); font-size: .9rem; }
.muted { color: var(--slate-500); }

/* Admin */
.admin-body { background: var(--bg); }
.table thead th { color: var(--slate-500); font-weight: 500; font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; }
.form-control { border-radius: 10px; border: 1px solid var(--slate-300); padding: .6rem .9rem; }
.form-control:focus { border-color: var(--emerald-500); box-shadow: 0 0 0 3px rgba(16,185,129,.15); }

/* Toasts / errors */
.error-toast {
  position: fixed; top: 20px; right: 20px; z-index: 999;
  background: var(--red-500); color: white; padding: .9rem 1.2rem;
  border-radius: 10px; box-shadow: var(--shadow-lg);
  animation: slideIn .3s ease;
}

@media (max-width: 768px) {
  .verdict-banner { flex-direction: column; text-align: center; }
  .kv-row { grid-template-columns: 1fr; gap: .1rem; }
  .kv-key { font-size: .8rem; }
}