/* components.css - reusable UI components */
.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 13px 30px;
  border: 1px solid;
  cursor: none;
  position: relative;
  overflow: hidden;
  display: inline-block;
  transition: color var(--t-mid), box-shadow var(--t-mid);
  border-radius: var(--radius-sm);
}
.btn::before {
  content: '';
  position: absolute; inset: 0;
  transform: translateX(-101%);
  transition: transform var(--t-mid) var(--ease-out);
  z-index: -1;
}
.btn:hover::before { transform: translateX(0); }
.btn-primary {
  color: var(--accent);
  border-color: var(--accent);
}
.btn-primary::before { background: var(--accent); }
.btn-primary:hover { color: var(--bg); box-shadow: var(--glow-cyan); }
.btn-ghost {
  color: var(--muted);
  border-color: var(--border2);
}
.btn-ghost::before { background: var(--surface2); }
.btn-ghost:hover { color: var(--text); }
.topic-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  cursor: none;
  transition: border-color var(--t-slow), transform var(--t-slow) var(--ease-out),
              box-shadow var(--t-slow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.topic-ext-icon {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 14px;
  color: var(--muted);
  opacity: 0;
  transition: opacity var(--t-mid), color var(--t-mid);
  font-family: var(--font-mono);
}
.topic-card:hover .topic-ext-icon {
  opacity: 1;
  color: var(--accent);
}
.topic-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 2px; height: 0;
  background: var(--accent);
  transition: height var(--t-slow) var(--ease-out);
}
.topic-card:hover {
  border-color: rgba(0,229,255,0.25);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.topic-card:hover::before { height: 100%; }
.topic-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.topic-icon { font-size: 26px; }
.topic-num {
  font-family: var(--font-display);
  font-size: 52px;
  color: rgba(0,229,255,0.05);
  line-height: 1;
  user-select: none;
}
.topic-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 10px;
}
.topic-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  flex: 1;
}
.topic-tag {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-transform: uppercase;
  align-self: flex-start;
  transition: border-color var(--t-mid), color var(--t-mid);
}
.topic-card:hover .topic-tag {
  border-color: rgba(0,229,255,0.3);
  color: var(--accent);
}
/* terminal */
.terminal-box {
  background: #020911;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,229,255,0.07), 0 20px 60px rgba(0,0,0,0.5);
  position: relative;
}
.terminal-bar {
  background: var(--surface);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.t-dots { display: flex; gap: 6px; }
.t-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.t-close { background: #ff5f57; }
.t-min   { background: #febc2e; }
.t-max   { background: #28c840; }
.t-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
}
.t-copy-btn {
  color: var(--muted);
  padding: 4px;
  transition: color var(--t-fast);
  display: flex;
  align-items: center;
}
.t-copy-btn:hover { color: var(--accent); }
.terminal-body {
  padding: 24px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  min-height: 300px;
  overflow-y: auto;
  max-height: 380px;
}
.terminal-body::-webkit-scrollbar { width: 4px; }
.terminal-body::-webkit-scrollbar-track { background: transparent; }
.terminal-body::-webkit-scrollbar-thumb { background: var(--border2); }
.t-line { display: block; white-space: pre-wrap; word-break: break-all; }
.t-prompt { color: var(--accent3); }
.t-at     { color: var(--accent-dim); }
.t-path   { color: var(--accent); }
.t-cmd    { color: var(--white); }
.t-out    { color: var(--muted); }
.t-ok     { color: var(--accent3); }
.t-warn   { color: var(--accent4); }
.t-err    { color: var(--accent2); }
.t-comment{ color: #2a4a60; }
.t-cursor {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: termBlink 1s step-end infinite;
}
/* article cards */
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  position: relative;
  overflow: hidden;
  cursor: none;
  transition: border-color var(--t-slow), transform var(--t-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.article-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow) var(--ease-out);
}
.article-card:hover {
  border-color: rgba(0,229,255,0.2);
  transform: translateY(-2px);
}
.article-card:hover::after { transform: scaleX(1); }
.article-card.featured { grid-row: span 2; }
.article-card.hidden { display: none; }
.article-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 4px 10px;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-block;
  border-radius: var(--radius-sm);
  align-self: flex-start;
}
.badge-red    { background: rgba(255,45,85,0.1);   color: var(--accent2); border: 1px solid rgba(255,45,85,0.3); }
.badge-cyan   { background: rgba(0,229,255,0.07);  color: var(--accent);  border: 1px solid rgba(0,229,255,0.2); }
.badge-green  { background: rgba(57,255,20,0.06);  color: var(--accent3); border: 1px solid rgba(57,255,20,0.2); }
.badge-amber  { background: rgba(255,190,0,0.07);  color: var(--accent4); border: 1px solid rgba(255,190,0,0.25); }
.article-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 10px;
  transition: color var(--t-mid);
}
.article-card.featured h3 { font-size: 34px; }
.article-card:hover h3 { color: var(--accent); }
.article-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}
.article-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border2);
  letter-spacing: 1px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.article-read-more {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity var(--t-mid);
}
.article-card:hover .article-read-more { opacity: 1; }
.cursor {
  position: fixed; top: 0; left: 0;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: transform var(--t-fast), background var(--t-mid), width var(--t-mid), height var(--t-mid);
  box-shadow: var(--glow-cyan);
  mix-blend-mode: screen;
}
.cursor.hovering {
  width: 6px; height: 6px;
  background: var(--accent2);
}
.cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 34px; height: 34px;
  border: 1px solid rgba(0,229,255,0.35);
  border-radius: 50%;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transform: translate(-50%, -50%);
  transition: width var(--t-mid), height var(--t-mid), border-color var(--t-mid);
}
.cursor-ring.hovering {
  width: 48px; height: 48px;
  border-color: rgba(255,45,85,0.4);
}
.scanner-wrap {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 28px;
  align-items: start;
}
.scanner-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.scanner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px 22px;
  position: relative;
}
.scanner-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 2px; height: 100%;
  background: var(--accent);
  opacity: 0.45;
}
.scanner-card-target { padding-bottom: 16px; }
.scanner-card-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.scanner-card-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.scanner-input-row {
  display: flex;
  gap: 0;
}
.scanner-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-right: none;
  padding: 10px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--white);
  letter-spacing: 0.5px;
  transition: border-color var(--t-mid);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  min-width: 0;
}
.scanner-input:focus { border-color: var(--accent); }
.scanner-input::placeholder { color: var(--muted); font-size: 11px; }
.scanner-btn-myip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  padding: 10px 14px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text-dim);
  white-space: nowrap;
  transition: all var(--t-mid);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  flex-shrink: 0;
}
.scanner-btn-myip:hover { color: var(--accent3); border-color: var(--accent3); background: rgba(57,255,20,0.06); }
.scanner-btn-myip:disabled { opacity: 0.4; pointer-events: none; }
.my-ip-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
  margin-top: 10px;
}
.my-ip-badge span {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 1.5px;
}
.scanner-tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  text-align: left;
  cursor: none;
  transition: all var(--t-mid) var(--ease-out);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.tool-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,229,255,0.04);
  transform: translateY(100%);
  transition: transform var(--t-mid) var(--ease-out);
}
.tool-btn:hover { border-color: rgba(0,229,255,0.3); }
.tool-btn:hover::before { transform: translateY(0); }
.tool-btn:disabled { opacity: 0.45; pointer-events: none; }
.tool-btn-all {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  border-color: rgba(0,229,255,0.2);
  background: rgba(0,229,255,0.03);
}
.tool-btn-all:hover { border-color: var(--accent); box-shadow: var(--glow-cyan); }
.tool-btn-all .tool-btn-desc { flex: 1; }
.tool-btn-icon {
  font-size: 16px;
  line-height: 1;
}
.tool-btn-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}
.tool-btn-all .tool-btn-label { font-size: 13px; }
.tool-btn-desc {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.5px;
  line-height: 1.4;
}
.scanner-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 2px;
}
.scanner-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
}
.scanner-status.loading { color: var(--accent4); }
.scanner-status.ok      { color: var(--accent3); }
.scanner-status.err     { color: var(--accent2); }
.scanner-status.warn    { color: var(--accent4); }
.scanner-clear-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: none;
  transition: all var(--t-mid);
  border-radius: var(--radius-sm);
}
.scanner-clear-btn:hover { color: var(--accent2); border-color: var(--accent2); background: rgba(255,45,85,0.05); }
.scanner-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.5px;
  line-height: 1.7;
  padding: 0 2px;
}
/* output pane */
.scanner-terminal {
  background: #020911;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0,229,255,0.06), 0 20px 40px rgba(0,0,0,0.4);
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}
.scanner-output {
  padding: 18px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.85;
  min-height: 440px;
  max-height: 600px;
  overflow-y: auto;
  word-break: break-all;
}
.scanner-output::-webkit-scrollbar { width: 4px; }
.scanner-output::-webkit-scrollbar-track { background: transparent; }
.scanner-output::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }
.t-at { color: var(--accent-dim); }
@media (max-width: 1100px) {
  .scanner-wrap { grid-template-columns: 360px 1fr; }
}
@media (max-width: 900px) {
  .scanner-wrap { grid-template-columns: 1fr; }
  .scanner-terminal { position: static; }
  .scanner-output { min-height: 300px; max-height: 420px; }
}
@media (max-width: 480px) {
  .scanner-tool-grid { grid-template-columns: 1fr; }
  .tool-btn-all { grid-column: span 1; }
}
.theme-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  cursor: none;
  transition: background var(--t-mid), border-color var(--t-mid);
  flex-shrink: 0;
}
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--muted);
  border-radius: 50%;
  transition: transform var(--t-mid) var(--ease-out), background var(--t-mid);
}
[data-theme="light"] .theme-toggle {
  background: var(--accent);
  border-color: var(--accent);
}
[data-theme="light"] .theme-toggle::after {
  transform: translateX(20px);
  background: var(--bg);
}
.theme-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-icon {
  font-size: 13px;
  line-height: 1;
  user-select: none;
}
[data-theme="light"] .terminal-box,
[data-theme="light"] .scanner-terminal {
  background: #1a2535;
}
[data-theme="light"] body::before { opacity: 0.6; }
[data-theme="light"] .hero-bg-text { color: rgba(0,119,170,0.04); }
[data-theme="light"] .bg-canvas { opacity: 0.15; }
.article-card.card-amber::after { background: var(--accent4); }
.nl-perks {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nl-perks li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 1px;
}
.nl-fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nl-field-row { display: flex; }
.nl-field-row .email-input {
  border-radius: var(--radius-sm);
  border-right: 1px solid var(--border);
  width: 100%;
}
.nl-field-row.input-group .email-input {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  border-right: none;
}
.emailjs-note {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border2);
  letter-spacing: 0.5px;
  margin-top: 4px;
}
.emailjs-note code {
  color: var(--accent);
  background: rgba(0,229,255,0.07);
  padding: 1px 5px;
  border-radius: 2px;
}
.newsletter-note.warn    { color: var(--accent4); }
.newsletter-note.success { color: var(--accent3); }
.newsletter-note.error   { color: var(--accent2); }
.scanner-tool-grid {
  grid-template-columns: 1fr 1fr 1fr !important;
}
.tool-btn-all {
  grid-column: span 3 !important;
}
@media (max-width: 900px) {
  .scanner-tool-grid { grid-template-columns: 1fr 1fr !important; }
  .tool-btn-all      { grid-column: span 2 !important; }
}
@media (max-width: 480px) {
  .scanner-tool-grid { grid-template-columns: 1fr !important; }
  .tool-btn-all      { grid-column: span 1 !important; }
}
[data-icon] svg,
.topic-icon svg,
.feature-icon svg,
.perk-icon svg,
.tool-btn-icon svg,
.theme-icon svg,
.topic-ext-icon svg,
.article-read-more svg {
  display: block;
  stroke: currentColor;
  flex-shrink: 0;
}
[data-icon] { display: inline-flex; align-items: center; justify-content: center; }
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}
.topic-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: rgba(0,229,255,0.05);
  border: 1px solid rgba(0,229,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}
.topic-card:hover .topic-icon {
  background: rgba(0,229,255,0.10);
  border-color: rgba(0,229,255,0.3);
}
.tool-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  color: var(--accent);
  flex-shrink: 0;
}
.theme-icon {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}
[data-theme="light"] .theme-icon { color: var(--text-dim); }
.perk-icon {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  margin-right: 4px;
  vertical-align: middle;
}
.topic-ext-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}