/*
 * eValidaTor — Blockchain Explorer UI
 * Etherscan-grade dark theme | Konjik d.o.o. | ChainBlock POE v1.0
 */

/* ─── Google Fonts fallback (already loaded in base) ─── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@400;500;600;700&display=swap');

/* ─── CSS Variables ─── */
:root {
  --ev-bg:       #0a0f1e;
  --ev-surface:  #0f1729;
  --ev-surface2: #131e35;
  --ev-border:   #1e2d4a;
  --ev-gold:     #f59e0b;
  --ev-gold-dim: rgba(245,158,11,0.15);
  --ev-green:    #10b981;
  --ev-green-dim:rgba(16,185,129,0.12);
  --ev-red:      #ef4444;
  --ev-red-dim:  rgba(239,68,68,0.12);
  --ev-purple:   #8b5cf6;
  --ev-purple-dim:rgba(139,92,246,0.12);
  --ev-blue:     #3b82f6;
  --ev-blue-dim: rgba(59,130,246,0.12);
  --ev-text:     #e2e8f0;
  --ev-muted:    #64748b;
  --ev-mono:     'JetBrains Mono', 'DM Mono', 'Fira Code', 'Courier New', monospace;
  --ev-sans:     'Inter', system-ui, -apple-system, sans-serif;
  --ev-radius:   6px;
  --ev-topbar-h: 52px;
}

/* ─── Reset & Base ─── */
.ev-page * { box-sizing: border-box; margin: 0; padding: 0; }
.ev-page {
  background: var(--ev-bg);
  color: var(--ev-text);
  font-family: var(--ev-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
.ev-page a { color: var(--ev-blue); text-decoration: none; }
.ev-page a:hover { text-decoration: underline; }

/* ─── Topbar ─── */
.ev-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--ev-topbar-h);
  background: var(--ev-surface);
  border-bottom: 1px solid var(--ev-border);
  z-index: 100;
}
.ev-topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.ev-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none !important;
  flex-shrink: 0;
}
.ev-logo-icon { font-size: 20px; color: var(--ev-gold); }
.ev-logo-text { font-weight: 700; color: var(--ev-text); font-size: 15px; letter-spacing: -0.3px; }
.ev-logo-sub  { font-size: 10px; color: var(--ev-muted); background: var(--ev-border); padding: 1px 5px; border-radius: 3px; font-family: var(--ev-mono); }

.ev-nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.ev-nav-link {
  padding: 5px 10px;
  border-radius: var(--ev-radius);
  color: var(--ev-muted);
  font-size: 13px;
  font-weight: 500;
  transition: color .15s, background .15s;
  text-decoration: none !important;
}
.ev-nav-link:hover, .ev-nav-link.active { color: var(--ev-text); background: var(--ev-surface2); text-decoration: none !important; }
.ev-nav-cta {
  background: var(--ev-gold);
  color: #0a0f1e !important;
  font-weight: 600;
  padding: 5px 12px;
}
.ev-nav-cta:hover { background: #d97706; text-decoration: none !important; }

.ev-chain-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ev-mono);
  font-size: 12px;
  color: var(--ev-muted);
  background: var(--ev-bg);
  border: 1px solid var(--ev-border);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.ev-pulse {
  width: 7px; height: 7px;
  background: var(--ev-green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: ev-pulse 2s infinite;
}
@keyframes ev-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: .3; }
}

/* hamburger mobile */
.ev-hamburger { display: none; background: none; border: none; cursor: pointer; color: var(--ev-text); font-size: 20px; }
@media (max-width: 700px) {
  .ev-nav { display: none; }
  .ev-nav.open { display: flex; flex-direction: column; position: fixed; top: var(--ev-topbar-h); left: 0; right: 0; background: var(--ev-surface); padding: 12px; border-bottom: 1px solid var(--ev-border); z-index: 99; }
  .ev-hamburger { display: flex; }
  .ev-chain-status { display: none; }
}

/* ─── Main ─── */
.ev-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--ev-topbar-h) + 28px) 20px 60px;
}

/* ─── Cards ─── */
.ev-card {
  background: var(--ev-surface);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
  padding: 20px;
  margin-bottom: 20px;
}
.ev-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ev-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ev-border);
}

/* ─── Stats row ─── */
.ev-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.ev-stat {
  background: var(--ev-surface);
  border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius);
  padding: 14px 16px;
  text-align: center;
}
.ev-stat-val {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--ev-mono);
  color: var(--ev-gold);
  line-height: 1.1;
}
.ev-stat-lbl {
  font-size: 11px;
  color: var(--ev-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .4px;
}

/* ─── Hash / mono values ─── */
.ev-hash {
  font-family: var(--ev-mono);
  font-size: 12px;
  color: var(--ev-gold);
  background: var(--ev-gold-dim);
  padding: 2px 6px;
  border-radius: 3px;
  word-break: break-all;
}
.ev-hash-full {
  font-family: var(--ev-mono);
  font-size: 12px;
  color: var(--ev-gold);
  word-break: break-all;
}
.ev-token {
  font-family: var(--ev-mono);
  font-size: 12px;
  color: var(--ev-purple);
  background: var(--ev-purple-dim);
  padding: 2px 7px;
  border-radius: 3px;
}
.ev-address {
  font-family: var(--ev-mono);
  font-size: 12px;
  color: var(--ev-blue);
}

/* ─── Badges ─── */
.ev-badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 3px;
  font-size: 11px; font-weight: 600;
  font-family: var(--ev-mono);
  text-transform: uppercase; letter-spacing: .3px;
  white-space: nowrap;
}
.ev-badge-ok      { background: var(--ev-green-dim); color: var(--ev-green); border: 1px solid rgba(16,185,129,.3); }
.ev-badge-sealed  { background: var(--ev-gold-dim);  color: var(--ev-gold);  border: 1px solid rgba(245,158,11,.3); }
.ev-badge-dp      { background: var(--ev-purple-dim);color: var(--ev-purple);border: 1px solid rgba(139,92,246,.3); }
.ev-badge-bunker  { background: var(--ev-blue-dim);  color: var(--ev-blue);  border: 1px solid rgba(59,130,246,.3); }
.ev-badge-tamper  { background: var(--ev-red-dim);   color: var(--ev-red);   border: 1px solid rgba(239,68,68,.3); }
.ev-badge-draft   { background: #1e2d4a; color: var(--ev-muted); border: 1px solid var(--ev-border); }

/* ─── Table ─── */
.ev-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ev-table th {
  text-align: left; padding: 8px 12px;
  font-size: 11px; color: var(--ev-muted);
  text-transform: uppercase; letter-spacing: .4px;
  border-bottom: 1px solid var(--ev-border);
  font-weight: 600;
}
.ev-table td { padding: 10px 12px; border-bottom: 1px solid rgba(30,45,74,.6); }
.ev-table tr:last-child td { border-bottom: none; }
.ev-table tr:hover td { background: var(--ev-surface2); }
.ev-table-wrap { overflow-x: auto; }

/* ─── Block list row ─── */
.ev-block-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(30,45,74,.6);
  font-size: 13px;
}
.ev-block-row:last-child { border-bottom: none; }
.ev-block-num {
  font-family: var(--ev-mono); font-weight: 600;
  color: var(--ev-gold); font-size: 13px;
  width: 50px; flex-shrink: 0;
}
.ev-block-token { flex: 1; min-width: 0; font-family: var(--ev-mono); font-size: 12px; color: var(--ev-blue); }
.ev-block-type  { width: 90px; flex-shrink: 0; }
.ev-block-ts    { width: 130px; flex-shrink: 0; font-size: 12px; color: var(--ev-muted); text-align: right; }

/* ─── Chain Viz ─── */
.ev-chain-viz {
  display: flex; align-items: center; gap: 0;
  overflow-x: auto; padding: 16px 0 8px;
  scrollbar-width: thin; scrollbar-color: var(--ev-border) transparent;
}
.ev-chain-block {
  flex-shrink: 0;
  background: var(--ev-surface2);
  border: 1px solid var(--ev-border);
  border-radius: 4px;
  padding: 8px 12px;
  font-family: var(--ev-mono); font-size: 11px;
  cursor: pointer; transition: border-color .15s, background .15s;
  text-align: center; min-width: 80px;
}
.ev-chain-block:hover { border-color: var(--ev-gold); background: var(--ev-gold-dim); }
.ev-chain-block.genesis { border-color: var(--ev-green); background: var(--ev-green-dim); }
.ev-chain-block-num { color: var(--ev-gold); font-weight: 600; font-size: 13px; }
.ev-chain-block-hash { color: var(--ev-muted); font-size: 10px; margin-top: 2px; }
.ev-chain-arrow {
  flex-shrink: 0; color: var(--ev-border); font-size: 16px;
  padding: 0 4px; line-height: 1;
}

/* ─── Hero proof block ─── */
.ev-proof-block {
  background: var(--ev-bg);
  border: 1px solid var(--ev-gold);
  border-radius: var(--ev-radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  font-family: var(--ev-mono);
  font-size: 13px;
}
.ev-proof-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--ev-border);
}
.ev-proof-title { font-size: 15px; font-weight: 600; color: var(--ev-text); font-family: var(--ev-sans); }
.ev-proof-row { display: flex; gap: 12px; padding: 4px 0; }
.ev-proof-key { width: 140px; flex-shrink: 0; color: var(--ev-muted); font-size: 12px; }
.ev-proof-val { color: var(--ev-text); font-size: 12px; word-break: break-all; }

/* ─── Search bar ─── */
.ev-search { display: flex; gap: 8px; margin-bottom: 20px; }
.ev-search-input {
  flex: 1; background: var(--ev-surface);
  border: 1px solid var(--ev-border); border-radius: var(--ev-radius);
  color: var(--ev-text); font-family: var(--ev-mono); font-size: 13px;
  padding: 8px 12px; outline: none;
  transition: border-color .15s;
}
.ev-search-input:focus { border-color: var(--ev-gold); }
.ev-search-input::placeholder { color: var(--ev-muted); }
.ev-search-btn {
  background: var(--ev-gold); color: #0a0f1e;
  border: none; border-radius: var(--ev-radius);
  padding: 8px 16px; font-weight: 600; font-size: 13px;
  cursor: pointer; transition: background .15s;
}
.ev-search-btn:hover { background: #d97706; }

/* ─── Buttons ─── */
.ev-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--ev-radius);
  font-size: 13px; font-weight: 500; cursor: pointer;
  border: 1px solid var(--ev-border); transition: all .15s;
  background: var(--ev-surface2); color: var(--ev-text);
  text-decoration: none !important;
}
.ev-btn:hover { border-color: var(--ev-gold); color: var(--ev-gold); }
.ev-btn-primary { background: var(--ev-gold); color: #0a0f1e !important; border-color: var(--ev-gold); font-weight: 600; }
.ev-btn-primary:hover { background: #d97706; border-color: #d97706; color: #0a0f1e !important; }
.ev-btn-danger { background: var(--ev-red-dim); color: var(--ev-red) !important; border-color: rgba(239,68,68,.3); }

/* ─── Form elements ─── */
.ev-form-group { margin-bottom: 16px; }
.ev-label { display: block; font-size: 12px; font-weight: 600; color: var(--ev-muted); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 6px; }
.ev-input, .ev-textarea {
  width: 100%; background: var(--ev-bg);
  border: 1px solid var(--ev-border); border-radius: var(--ev-radius);
  color: var(--ev-text); font-size: 13px; padding: 9px 12px;
  outline: none; transition: border-color .15s;
  font-family: var(--ev-sans);
}
.ev-input:focus, .ev-textarea:focus { border-color: var(--ev-gold); }
.ev-textarea { font-family: var(--ev-sans); resize: vertical; min-height: 90px; }
.ev-select {
  width: 100%; background: var(--ev-bg); border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius); color: var(--ev-text); font-size: 13px;
  padding: 9px 12px; outline: none; appearance: none; cursor: pointer;
}

/* ─── Leaf indicator (Merkle) ─── */
.ev-leaf-counter {
  background: var(--ev-surface2); border: 1px solid var(--ev-border);
  border-radius: var(--ev-radius); padding: 10px 14px;
  font-family: var(--ev-mono); font-size: 12px; color: var(--ev-muted);
  margin-top: 8px;
}
.ev-leaf-bar { height: 4px; background: var(--ev-border); border-radius: 2px; margin-top: 6px; }
.ev-leaf-fill { height: 100%; background: var(--ev-gold); border-radius: 2px; transition: width .3s; }

/* ─── Timeline ─── */
.ev-timeline { position: relative; padding-left: 24px; }
.ev-timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--ev-border); }
.ev-timeline-item { position: relative; padding: 0 0 18px; }
.ev-timeline-dot { position: absolute; left: -20px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--ev-green); border: 2px solid var(--ev-bg); }
.ev-timeline-dot.tamper { background: var(--ev-red); }
.ev-timeline-ts { font-size: 11px; color: var(--ev-muted); font-family: var(--ev-mono); }
.ev-timeline-label { font-size: 13px; font-weight: 600; margin-top: 2px; }

/* ─── Merkle tree ─── */
.ev-merkle { font-family: var(--ev-mono); font-size: 12px; }
.ev-merkle-leaf { display: flex; align-items: center; gap: 8px; padding: 4px 8px; border-radius: 3px; margin-bottom: 2px; }
.ev-merkle-leaf.revealed { background: var(--ev-green-dim); color: var(--ev-green); }
.ev-merkle-leaf.blank    { color: var(--ev-muted); }
.ev-merkle-leaf-idx { width: 28px; flex-shrink: 0; color: var(--ev-muted); }

/* ─── Page header ─── */
.ev-page-header { margin-bottom: 24px; }
.ev-page-title { font-size: 20px; font-weight: 700; color: var(--ev-text); }
.ev-breadcrumb { font-size: 12px; color: var(--ev-muted); margin-bottom: 6px; }
.ev-breadcrumb a { color: var(--ev-muted); }
.ev-breadcrumb a:hover { color: var(--ev-text); }

/* ─── Footer ─── */
.ev-footer {
  border-top: 1px solid var(--ev-border);
  padding: 16px 20px;
  font-size: 11px; color: var(--ev-muted);
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1100px; margin: 0 auto;
  gap: 12px; flex-wrap: wrap;
}
.ev-footer-hash { font-family: var(--ev-mono); }

/* ─── Verify result ─── */
.ev-verify-ok   { background: var(--ev-green-dim); border: 1px solid rgba(16,185,129,.3); border-radius: var(--ev-radius); padding: 20px; }
.ev-verify-fail { background: var(--ev-red-dim);   border: 1px solid rgba(239,68,68,.3);  border-radius: var(--ev-radius); padding: 20px; }
.ev-verify-icon { font-size: 32px; margin-bottom: 8px; }

/* ─── Utilities ─── */
.ev-flex { display: flex; align-items: center; }
.ev-flex-between { display: flex; align-items: center; justify-content: space-between; }
.ev-gap-2 { gap: 8px; }
.ev-gap-3 { gap: 12px; }
.ev-mt-1 { margin-top: 4px; }
.ev-mt-2 { margin-top: 8px; }
.ev-mt-3 { margin-top: 12px; }
.ev-mb-2 { margin-bottom: 8px; }
.ev-mb-3 { margin-bottom: 12px; }
.ev-muted { color: var(--ev-muted); }
.ev-green { color: var(--ev-green); }
.ev-red   { color: var(--ev-red); }
.ev-gold  { color: var(--ev-gold); }
.ev-purple{ color: var(--ev-purple); }
.ev-mono  { font-family: var(--ev-mono); }
.ev-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ev-w-full { width: 100%; }
.ev-hidden { display: none; }

/* ─── Responsive ─── */
@media (max-width: 600px) {
  .ev-main { padding-left: 14px; padding-right: 14px; }
  .ev-card { padding: 14px; }
  .ev-block-ts { display: none; }
  .ev-block-type { display: none; }
  .ev-proof-key { width: 100px; font-size: 11px; }
  .ev-stats { grid-template-columns: repeat(2, 1fr); }
  .ev-footer { flex-direction: column; text-align: center; }
}