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

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg:        #0d1117;
  --surface:   #161b22;
  --border:    #2a3441;
  --cyan:      #00e5ff;
  --cyan-dim:  #00b8cc;
  --red:       #ff4d4d;
  --orange:    #ff8c00;
  --green:     #2ecc71;
  --yellow:    #f1c40f;
  --text:      #e6edf3;
  --muted:     #7d8590;
  --mono:      'Share Tech Mono', 'Courier New', monospace;
  --ui:        'Inter', system-ui, sans-serif;
  --r:         6px;
  --t:         0.2s ease;
}

html, body { background: var(--bg); color: var(--text); font-family: var(--ui); font-size: 15px; line-height: 1.6; min-height: 100vh; }

.auth-guard { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 999; }

.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }

.auth-card {
  width: 100%; max-width: 420px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 40px 36px; display: flex; flex-direction: column; gap: 24px; position: relative;
}
.auth-card::before, .auth-card::after {
  content: ""; position: absolute; width: 14px; height: 14px; border-color: var(--cyan); border-style: solid;
}
.auth-card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.auth-card::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.logo { display: flex; align-items: center; gap: 12px; justify-content: center; }
.logo-icon { font-family: var(--mono); font-size: 22px; color: var(--cyan); }
.logo-text  { font-family: var(--mono); font-size: 16px; font-weight: 700; letter-spacing: 2px; }
.auth-subtitle { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; color: var(--muted); text-align: center; }

.auth-form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; color: var(--cyan); }
.field input {
  padding: 11px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r);
  color: var(--text); font-size: 14px; font-family: var(--ui); outline: none; transition: border-color var(--t);
}
.field input::placeholder { color: var(--muted); }
.field input:focus { border-color: var(--cyan); }

.auth-error { font-size: 13px; color: var(--red); background: rgba(255,77,77,0.1); border: 1px solid rgba(255,77,77,0.3); border-radius: var(--r); padding: 10px 14px; }

.auth-btn {
  padding: 13px; background: var(--cyan); border: none; border-radius: var(--r);
  color: #000; font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: 2px;
  cursor: pointer; transition: background var(--t), opacity var(--t);
}
.auth-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.auth-btn:not(:disabled):hover { background: var(--cyan-dim); }

header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-family: var(--mono); font-size: 20px; color: var(--cyan); }
.logo-text  { font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: 2px; }

.header-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.live-badge  { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 12px; color: var(--cyan); letter-spacing: 1px; }
.pulse-dot   { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }

.last-updated { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.user-email   { font-size: 12px; color: var(--muted); font-family: var(--mono); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.logout-btn { padding: 7px 16px; background: transparent; border: 1px solid var(--border); border-radius: var(--r); color: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: 1px; cursor: pointer; transition: all var(--t); }
.logout-btn:hover { border-color: var(--red); color: var(--red); }

main { max-width: 1200px; margin: 0 auto; padding: 28px 24px 60px; }

.controls { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
.search-wrap { position: relative; flex: 1; min-width: 200px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--muted); pointer-events: none; }
.search-input { width: 100%; padding: 10px 14px 10px 38px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); color: var(--text); font-size: 14px; outline: none; transition: border-color var(--t); }
.search-input::placeholder { color: var(--muted); }
.search-input:focus { border-color: var(--cyan); }

.filter-buttons { display: flex; gap: 8px; flex-shrink: 0; }
.filter-btn { padding: 9px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); color: var(--muted); font-size: 13px; font-family: var(--mono); letter-spacing: 1px; cursor: pointer; transition: all var(--t); }
.filter-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.filter-btn.active { background: var(--cyan); border-color: var(--cyan); color: #000; font-weight: 700; }

.state-box { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 260px; color: var(--muted); font-size: 15px; }
.state-icon { font-size: 40px; }
.error-state { color: var(--red); }
.hidden { display: none !important; }

.spinner { width: 44px; height: 44px; border: 3px solid var(--border); border-top-color: var(--cyan); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.retry-btn { padding: 9px 24px; background: transparent; border: 1px solid var(--red); border-radius: var(--r); color: var(--red); font-family: var(--mono); font-size: 13px; cursor: pointer; transition: all var(--t); }
.retry-btn:hover { background: var(--red); color: #fff; }

.alerts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }

.alert-card {
  background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--border);
  border-radius: var(--r); padding: 18px 20px; display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--t), box-shadow var(--t); animation: fadeIn .25s ease;
}
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.alert-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.4); }

.alert-card[data-severity="CRITICAL"] { border-left-color: var(--red);    background: linear-gradient(135deg, rgba(255,77,77,.07) 0%, var(--surface) 60%); box-shadow: -2px 0 12px rgba(255,77,77,.15); }
.alert-card[data-severity="HIGH"]     { border-left-color: var(--orange); }
.alert-card[data-severity="MEDIUM"]   { border-left-color: var(--yellow); }
.alert-card[data-severity="LOW"]      { border-left-color: var(--green);  }

.card-header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.badge-severity, .badge-type { padding: 3px 9px; border-radius: 4px; font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .5px; flex-shrink: 0; }

.badge-CRITICAL { background: rgba(255,77,77,.18);   color: var(--red);    border: 1px solid rgba(255,77,77,.4); }
.badge-HIGH     { background: rgba(255,140,0,.15);   color: var(--orange); border: 1px solid rgba(255,140,0,.4); }
.badge-MEDIUM   { background: rgba(241,196,15,.13);  color: var(--yellow); border: 1px solid rgba(241,196,15,.4); }
.badge-LOW      { background: rgba(46,204,113,.13);  color: var(--green);  border: 1px solid rgba(46,204,113,.4); }
.badge-CVE      { background: rgba(0,229,255,.12);   color: var(--cyan);   border: 1px solid rgba(0,229,255,.3); }
.badge-NEWS     { background: rgba(125,133,144,.15); color: var(--muted);  border: 1px solid rgba(125,133,144,.3); }

.card-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.4; word-break: break-word; }
.card-desc  { font-size: 13px; color: var(--muted); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
.card-date   { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.card-link   { font-size: 12px; color: var(--cyan); text-decoration: none; font-family: var(--mono); transition: color var(--t); }
.card-link:hover { color: var(--cyan-dim); text-decoration: underline; }

@media (max-width: 640px) {
  .header-inner   { flex-direction: column; align-items: flex-start; }
  .controls       { flex-direction: column; }
  .filter-buttons { width: 100%; }
  .filter-btn     { flex: 1; text-align: center; }
  .alerts-grid    { grid-template-columns: 1fr; }
  .auth-card      { padding: 28px 20px; }
}