:root {
  --bg: #f3f2ed;
  --bg-elevated: #fffefa;
  --bg-subtle: #e7e6df;
  --bg-glass: rgba(255, 254, 250, 0.86);
  --ink: #1b2824;
  --ink-secondary: #495852;
  --muted: #64716a;
  --line: #d6dbd3;
  --line-strong: #b6c1b4;
  --green: #c9ebc4;
  --accent: #295f48;
  --accent-soft: #dff1dc;
  --amber: #c97a22;
  --danger: #c23b32;
  --shadow-sm: 0 2px 10px rgba(24, 38, 33, 0.04);
  --shadow-md: 0 14px 36px rgba(24, 38, 33, 0.08);
  --shadow-lg: 0 24px 60px rgba(24, 38, 33, 0.14);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #0f1412;
  --bg-elevated: #171f1c;
  --bg-subtle: #202b26;
  --bg-glass: rgba(23, 31, 28, 0.86);
  --ink: #edf3ef;
  --ink-secondary: #b0bfb7;
  --muted: #7d8f86;
  --line: #27342e;
  --line-strong: #394b42;
  --green: #1d382b;
  --accent: #5cd69c;
  --accent-soft: #1a3327;
  --amber: #f0a44c;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 14px 36px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.65);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.55;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.28s ease, color 0.28s ease;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 26px 4.5vw 48px;
}

/* Header */
header {
  position: sticky;
  top: 14px;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 12px 22px;
  box-shadow: var(--shadow-sm);
}
.brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.8px;
}
.brand span { color: var(--accent); }

.sys-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-secondary);
  background: var(--bg-subtle);
  padding: 5px 12px;
  border-radius: 100px;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--muted);
}
.nav-links a:hover { color: var(--ink); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.clock-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-secondary);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--bg-elevated);
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 13px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.icon-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-subtle);
  color: var(--muted);
}

/* Intro */
.intro {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 40px;
  align-items: end;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
}
h1 {
  font-size: clamp(46px, 7vw, 88px);
  font-weight: 650;
  line-height: 1.03;
  letter-spacing: -4px;
  margin: 18px 0 0;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.intro-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.intro-greeting {
  color: var(--ink-secondary);
  font-size: 14.5px;
  line-height: 1.85;
  margin: 0;
}

/* Security & Connection Status Bar */
.telemetry-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.tele-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-right: 8px;
  border-right: 1px solid var(--line);
}
.tele-item:last-child { border-right: none; padding-right: 0; }
.tele-label { font-size: 11px; color: var(--muted); }
.tele-val {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.tele-sub {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

/* Main Service Cards */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0;
}
.section-head p {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 42px;
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 26px;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.card.primary {
  background: var(--green);
  border-color: #b4d8af;
}
[data-theme="dark"] .card.primary {
  border-color: #2d5943;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.icon {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.45);
}
[data-theme="dark"] .icon { background: rgba(255, 255, 255, 0.05); }
.icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tag-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-secondary);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  border-radius: 100px;
}
.tag.online {
  border-color: var(--accent);
  color: var(--accent);
}
.tag.protected {
  border-color: var(--amber);
  color: var(--amber);
}

.card h3 {
  font-weight: 650;
  font-size: 27px;
  letter-spacing: -1px;
  line-height: 1.2;
  margin: 28px 0 8px;
}
.card p {
  font-size: 14px;
  color: var(--ink-secondary);
  margin: 0 0 18px;
  line-height: 1.65;
}

.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 18px;
  font-size: 12px;
}
[data-theme="dark"] .card-metrics {
  background: rgba(0, 0, 0, 0.25);
  border-color: rgba(255, 255, 255, 0.06);
}
.cm-item span {
  display: block;
  font-size: 10px;
  color: var(--muted);
}
.cm-item strong {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .card-actions { border-top-color: rgba(255, 255, 255, 0.08); }

.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 15px;
  border-radius: 100px;
  background: var(--ink);
  color: var(--bg-elevated);
  border: none;
  cursor: pointer;
}
.primary-link:hover { opacity: 0.88; }
.chip-link {
  font-size: 11px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  cursor: pointer;
}
.chip-link:hover { border-color: var(--accent); color: var(--accent); }

/* Two-Column Workspace: Custom Quick Links & AES-256 Encrypted Vault */
.workspace-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 20px;
  margin-bottom: 42px;
}
.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.panel h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
}
.panel-sub {
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.6;
}

/* Quick Links Grid */
.qlinks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.qlink-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s;
}
.qlink-card:hover { border-color: var(--accent); }
.qlink-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
}
.qlink-tag {
  font-weight: 700;
  color: var(--accent);
}
.qlink-lock { color: var(--muted); }
.qlink-del {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
}
.qlink-del:hover { color: var(--danger); }
.qlink-main strong {
  display: block;
  font-size: 13.5px;
  margin-bottom: 2px;
}
.qlink-main span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr 1.2fr 80px auto;
  gap: 8px;
}
.input-field {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 12.5px;
}
.submit-btn {
  padding: 9px 15px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
[data-theme="dark"] .submit-btn { color: #0f1412; }

/* Encrypted Vault UI */
.vault-lock-box {
  background: var(--bg);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.vault-pass-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.vault-notes-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
}
.vault-note-item {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}
.vault-note-content strong {
  display: block;
  font-size: 13.5px;
  margin-bottom: 3px;
}
.vault-note-content p {
  margin: 0 0 4px;
  font-size: 12.5px;
  color: var(--ink-secondary);
}
.vault-note-content small {
  font-size: 10.5px;
  color: var(--muted);
}
.vault-del-btn {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
}
.vault-del-btn:hover { border-color: var(--danger); color: var(--danger); }

/* Privacy Note & Footer */
.note {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 36px;
  border-top: 1px solid var(--line);
  padding: 28px 0 44px;
}
.note h2 { font-size: 14px; font-weight: 700; margin: 0; }
.note p { font-size: 13px; color: var(--muted); margin: 0; max-width: 640px; line-height: 1.85; }

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 120;
  background: var(--ink);
  color: var(--bg-elevated);
  padding: 12px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 960px) {
  .intro, .services, .workspace-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .inline-form { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .shell { padding: 18px 18px 36px; }
  .sys-pill { display: none; }
  .telemetry-bar, .qlinks-grid { grid-template-columns: 1fr 1fr; }
  .note { grid-template-columns: 1fr; gap: 12px; }
}

/* Portal directory: isolated from the existing bookmark and vault controls. */
.projects-section { margin: 16px 0 48px; scroll-margin-top: 110px; }
.section-index { color: var(--muted); font-family: var(--font-mono); font-size: 12px; }
.projects-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.project-card { grid-column: span 2; min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--bg-elevated); display: flex; flex-direction: column; gap: 12px; }
.project-card:nth-child(n+4) { grid-column: span 3; }
.project-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font: 10px var(--font-mono); letter-spacing: 1px; }
.project-card h3 { margin: 15px 0 0; font-size: 25px; letter-spacing: -.8px; }
.project-card p { margin: 0 0 14px; font-size: 13px; line-height: 1.7; color: var(--ink-secondary); }
.project-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.project-domain { border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; font-size: 12px; overflow-wrap: anywhere; }
.project-domain:hover { color: var(--accent); border-color: var(--accent); }
.project-card[data-tone="violet"] { border-top-color: #a59aca; }
.project-card[data-tone="green"] { border-top-color: #6ba987; }
.project-card[data-tone="gold"] { border-top-color: #c8a65e; }
.project-card[data-tone="blue"] { border-top-color: #7fa8cb; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.card-metrics strong { overflow-wrap: anywhere; }
@media (max-width: 960px) {
  .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-card, .project-card:nth-child(n+4) { grid-column: auto; }
  header { border-radius: 20px; flex-wrap: wrap; }
  .header-actions { flex-wrap: wrap; }
  .intro { gap: 24px; }
}
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: minmax(0, 1fr); }
  .clock-pill { display: none; }
  .header-actions { gap: 6px; }
  .card, .panel, .project-card { padding: 20px; }
  .intro h1 { font-size: clamp(38px, 10vw, 58px); }
  .panel-head, .vault-pass-row, #vaultAddForm > div { flex-wrap: wrap; }
  .input-field { min-width: 0; }
  footer { gap: 14px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }