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

:root {
  --bg:       #0d0d0f;
  --surface:  #16161a;
  --surface2: #1e1e24;
  --border:   #2a2a30;
  --accent:   #7c6af7;
  --accent2:  #c084fc;
  --text:     #e8e8f0;
  --muted:    #888899;
  --green:    #4ade80;
  --amber:    #fbbf24;
  --r:        10px;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Nav ── */
nav {
  display: flex; justify-content: space-between; align-items: center; gap: 1.5rem;
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
  background: rgba(13,13,15,.88);
  backdrop-filter: blur(14px);
  z-index: 100;
}
.nav-logo {
  font-weight: 800; font-size: 1.1rem; letter-spacing: .04em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: .875rem;
  transition: color .2s; padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); border-bottom-color: var(--accent); }
.nav-actions {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 1rem; min-width: 0;
}
.auth-links {
  display: flex; align-items: center; gap: .75rem;
  flex: 0 0 auto;
}
.auth-links > a {
  color: var(--muted); text-decoration: none; font-size: .875rem;
}
.auth-links > a:hover { color: var(--text); }

/* ── Visit badge ── */
.visit-badge {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: .35rem 1rem;
  font-size: .8rem; color: var(--muted); white-space: nowrap;
}
.visit-badge .count {
  font-size: 1rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.75); }
}

/* ── Hero ── */
.hero {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 5rem 1.5rem 3.5rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 65% 50% at 50% 0%, rgba(124,106,247,.18), transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 800; letter-spacing: -.025em; line-height: 1.15;
  margin: 1.2rem 0 1rem;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 500px; margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-badge { margin-bottom: 1.2rem; }
.text-strong { color: var(--text); }

/* ── Buttons ── */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border: none; padding: .75rem 1.7rem;
  border-radius: var(--r); font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: opacity .2s, transform .15s;
}
.btn-primary:hover { opacity: .88; transform: translateY(-2px); }
.btn-secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); padding: .75rem 1.7rem;
  border-radius: var(--r); font-size: .95rem; cursor: pointer;
  transition: border-color .2s;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { color: var(--amber); }
.btn-danger:hover { border-color: var(--amber); }

/* -- Portfolio home -- */
.portfolio-hero {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .8fr);
  gap: 2.5rem; align-items: center; max-width: 1100px;
  margin: 0 auto; padding: 5.5rem 1.5rem 4rem;
}
.portfolio-copy { max-width: 680px; }
.eyebrow, .section-kicker {
  color: var(--green); font-size: .74rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: .8rem;
}
.portfolio-copy h1 {
  font-size: clamp(2.35rem, 6vw, 4.65rem);
  line-height: 1.02; letter-spacing: 0; margin-bottom: 1.35rem;
}
.portfolio-copy > p:not(.eyebrow) {
  color: var(--muted); font-size: 1.05rem; max-width: 560px;
  margin-bottom: 2rem;
}
.portfolio-actions { justify-content: flex-start; }
.portfolio-panel {
  border: 1px solid var(--border); border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(124,106,247,.16), transparent 44%),
    var(--surface);
  padding: 1rem; min-height: 360px; display: flex; flex-direction: column;
  justify-content: space-between; box-shadow: 0 24px 80px rgba(0,0,0,.26);
}
.panel-topline {
  display: flex; justify-content: space-between; color: var(--muted);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
}
.panel-title { font-size: 2.1rem; font-weight: 800; line-height: 1.05; }
.panel-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem;
}
.panel-grid span {
  border: 1px solid var(--border); border-radius: 6px; padding: .75rem;
  background: rgba(255,255,255,.035); color: var(--text); font-size: .86rem;
}
.panel-meter {
  height: 10px; border-radius: 999px; background: var(--surface2); overflow: hidden;
}
.panel-meter span {
  display: block; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--amber));
}
.portfolio-panel p { color: var(--muted); font-size: .9rem; }
.portfolio-section {
  max-width: 1100px; margin: 0 auto; padding: 1rem 1.5rem 4rem;
}
.credential-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem; padding-bottom: 2.5rem;
}
.credential-card {
  display: grid; gap: .75rem; align-content: space-between;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: .95rem;
  transition: border-color .2s, transform .2s, background .2s;
}
.credential-card:hover, .credential-card:focus-within {
  border-color: var(--accent); background: rgba(255,255,255,.055);
  transform: translateY(-2px);
}
.credential-main {
  display: block; text-decoration: none; outline: none;
}
.credential-strip span {
  display: block; color: var(--green); font-size: .66rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: .35rem;
}
.credential-strip strong {
  display: block; color: var(--text); font-size: .92rem; line-height: 1.25;
}
.credential-strip small {
  display: block; color: var(--muted); font-size: .72rem; margin-top: .55rem;
}
.credential-actions {
  display: flex; flex-wrap: wrap; gap: .35rem; align-items: center;
}
.credential-actions code {
  flex: 1 1 100%; color: var(--text); background: var(--surface2);
  border: 1px solid var(--border); border-radius: 6px;
  padding: .35rem .45rem; font-size: .72rem;
}
.credential-actions a, .credential-actions button {
  border: 1px solid var(--border); border-radius: 999px;
  background: transparent; color: var(--muted); padding: .28rem .55rem;
  font-size: .68rem; font-weight: 800; letter-spacing: .05em;
  text-transform: uppercase; text-decoration: none; cursor: pointer;
}
.credential-actions a:hover, .credential-actions button:hover,
.credential-actions a:focus, .credential-actions button:focus {
  border-color: var(--accent); color: var(--text); outline: none;
}
.work-grid {
  display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.work-card {
  min-height: 230px; display: flex; flex-direction: column; justify-content: flex-end;
  gap: .8rem; color: var(--text); text-decoration: none;
  border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem;
  background: var(--surface); transition: border-color .2s, transform .2s;
}
.work-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.work-card span { color: var(--muted); font-size: .75rem; }
.work-card h2 { font-size: 1.25rem; line-height: 1.15; }
.work-card p { color: var(--muted); font-size: .9rem; }
.primary-work {
  background:
    linear-gradient(145deg, rgba(74,222,128,.13), transparent 44%),
    var(--surface);
}
.portfolio-split {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
  gap: 2rem; align-items: start;
}
.portfolio-split h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem); line-height: 1.1;
}
.focus-list { display: grid; gap: .85rem; }
.focus-list div {
  border-top: 1px solid var(--border); padding-top: .85rem;
}
.focus-list strong { display: block; margin-bottom: .25rem; }
.focus-list p { color: var(--muted); font-size: .92rem; }
.profile-note {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding-top: 2rem; padding-bottom: 2rem; margin-bottom: 2rem;
}
.profile-note p {
  color: var(--text); font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55; max-width: 850px; margin-bottom: 1rem;
}
.profile-note a {
  color: var(--accent2); text-decoration: none; font-size: .9rem; font-weight: 700;
}
.profile-note a:hover { text-decoration: underline; }
.about-summary {
  display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1fr);
  gap: 2rem; align-items: start; padding-bottom: 2.5rem;
}
.about-summary h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem); line-height: 1.1;
}
.about-summary > p {
  color: var(--text); font-size: 1.02rem; line-height: 1.75;
}
.capability-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem;
}
.capability-grid article {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: 1.25rem;
}
.capability-grid span {
  color: var(--green); font-size: .7rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}
.capability-grid h2 {
  color: var(--text); font-size: 1.1rem; line-height: 1.2;
  margin: .65rem 0 .45rem;
}
.capability-grid p {
  color: var(--muted); font-size: .92rem; line-height: 1.65;
}
.about-source-note { margin-bottom: 0; }
.stack-strip {
  display: flex; flex-wrap: wrap; gap: .6rem; padding-top: 0;
}
.stack-strip span {
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--muted);
  padding: .45rem .85rem; font-size: .82rem;
}

/* ── Stats dashboard ── */
.stats-section {
  max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem 3rem;
}
.stats-overview {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem; margin-bottom: 2rem;
}
.metric-card {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: 1rem; min-height: 150px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.metric-card.highlight {
  background:
    linear-gradient(145deg, rgba(34,197,94,.13), transparent 48%),
    var(--surface);
}
.metric-card span {
  color: var(--muted); font-size: .7rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}
.metric-card strong {
  display: block; color: var(--text); font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.05; overflow-wrap: anywhere; text-transform: capitalize;
}
.metric-card p { color: var(--muted); font-size: .78rem; }
.stats-section h2 {
  font-size: 1.1rem; font-weight: 600; margin-bottom: 1.25rem;
  color: var(--muted); letter-spacing: .05em; text-transform: uppercase;
  font-size: .8rem;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.25rem 1.5rem;
  transition: border-color .2s, transform .2s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.stat-card.current { border-color: var(--accent); }
.stat-label {
  font-size: .75rem; color: var(--muted); letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: .4rem;
  display: flex; align-items: center; gap: .4rem;
}
.stat-label .current-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.stat-num {
  font-size: 2rem; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-sub { font-size: .78rem; color: var(--muted); margin-top: .25rem; }

/* ── Bar chart ── */
.bar-chart { display: flex; flex-direction: column; gap: .6rem; }
.bar-row { display: flex; align-items: center; gap: .75rem; }
.bar-label { font-size: .8rem; color: var(--muted); width: 68px; text-align: right; }
.bar-track {
  flex: 1; height: 20px; background: var(--surface2);
  border-radius: 4px; overflow: hidden;
}
.bar-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .6s ease;
}
.bar-count { font-size: .78rem; color: var(--muted); min-width: 28px; }
.traffic-list {
  display: grid; gap: .7rem; margin-bottom: 2rem;
}
.traffic-row {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: .85rem;
}
.traffic-row div:first-child {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-bottom: .55rem; font-size: .86rem;
}
.traffic-row strong { text-transform: capitalize; }
.traffic-row span { color: var(--muted); }
.traffic-track {
  height: 8px; border-radius: 999px; overflow: hidden; background: var(--surface2);
}
.traffic-track span {
  display: block; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--amber));
}

/* ── Recent log ── */
.log-table {
  width: 100%; border-collapse: collapse; margin-top: 1.5rem;
  font-size: .82rem;
}
.log-table th {
  text-align: left; padding: .5rem .75rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted); font-weight: 500;
  font-size: .72rem; text-transform: uppercase; letter-spacing: .05em;
}
.log-table td {
  padding: .55rem .75rem; border-bottom: 1px solid var(--border);
  color: var(--text);
}
.log-table tr:last-child td { border-bottom: none; }
.log-table tr:hover td { background: var(--surface2); }
.page-pill {
  display: inline-block; padding: 2px 10px;
  border-radius: 20px; font-size: .72rem; font-weight: 600;
}
.page-pill.home    { background: rgba(124,106,247,.2); color: #a78bfa; }
.page-pill.about   { background: rgba(192,132,252,.2); color: #c084fc; }
.page-pill.contact { background: rgba(74,222,128,.2);  color: #4ade80; }
.page-pill.statistics { background: rgba(34,211,238,.16); color: #67e8f9; }
.page-pill.data-results { background: rgba(251,191,36,.16); color: #fbbf24; }

/* ── Data results ── */
.data-hero p { max-width: 620px; }
.data-section {
  max-width: 980px; margin: 0 auto; padding: 2rem 1.5rem 3rem;
}
.data-header {
  display: flex; align-items: end; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.25rem;
}
.data-header h2, .data-section h2 {
  font-size: .82rem; font-weight: 700; margin-bottom: .35rem;
  color: var(--muted); letter-spacing: .05em; text-transform: uppercase;
}
.data-header p { color: var(--muted); font-size: .9rem; max-width: 640px; }
.data-mode {
  flex: 0 0 auto; border: 1px solid var(--border); color: var(--amber);
  border-radius: 999px; padding: .3rem .75rem; font-size: .75rem;
  background: var(--surface);
}
.source-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.source-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.25rem; min-height: 280px;
  display: flex; flex-direction: column;
}
.source-card h3 { font-size: 1rem; line-height: 1.3; margin: .8rem 0 .45rem; }
.source-card a {
  display: block; color: var(--accent2); font-size: .78rem;
  overflow-wrap: anywhere; text-decoration: none; margin-bottom: 1rem;
}
.source-card a:hover { text-decoration: underline; }
.source-meta {
  display: flex; flex-wrap: wrap; gap: .4rem; margin: -.35rem 0 .65rem;
}
.source-meta span {
  border: 1px solid var(--border); border-radius: 999px;
  color: var(--muted); background: rgba(255,255,255,.03);
  padding: .18rem .5rem; font-size: .66rem; text-transform: capitalize;
}
.source-media {
  position: relative; aspect-ratio: 16 / 9; margin: .85rem 0 .9rem;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  background: #0a0a0c;
}
.source-card a.source-thumb-link {
  display: block; width: 100%; height: 100%; margin: 0;
}
.source-card a.source-thumb-link:hover { text-decoration: none; }
.source-thumb {
  display: block; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  background: #0a0a0c;
}
.source-thumb-placeholder {
  display: grid; place-items: center; width: 100%; height: 100%;
  background:
    linear-gradient(135deg, rgba(34,197,94,.16), transparent 42%),
    linear-gradient(315deg, rgba(251,191,36,.15), transparent 48%),
    rgba(255,255,255,.035);
}
.source-thumb-placeholder::before {
  content: ""; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.045);
}
.source-media.has-image .source-thumb-placeholder { display: none; }
.source-media.image-failed .source-thumb-placeholder { display: grid; }
.source-topline {
  display: flex; justify-content: space-between; align-items: center;
  gap: .75rem;
}
.source-type, .source-status {
  font-size: .68rem; color: var(--muted); letter-spacing: .04em;
  text-transform: uppercase;
}
.source-status { color: var(--green); }
.source-card dt {
  font-size: .68rem; color: var(--muted); letter-spacing: .05em;
  text-transform: uppercase; margin-top: .85rem;
}
.source-card dd { color: var(--text); font-size: .84rem; margin-top: .25rem; }
.source-actions {
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  gap: .75rem; margin-top: auto;
}
.source-read-btn { width: 100%; padding: .65rem 1rem; }
.source-card a.source-more-link, .source-more-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.55rem; margin: 0; padding: 0 .15rem;
  color: var(--accent2); font-size: .82rem; font-weight: 700;
  white-space: nowrap; text-decoration: none;
}
.source-card a.source-more-link:hover, .source-more-link:hover { text-decoration: underline; }
.preview-more-link { margin-top: 1rem; }
.preview-image {
  width: 100%; max-height: 420px; object-fit: contain; object-position: center;
  background: #0a0a0c;
  border: 1px solid var(--border); border-radius: 8px; margin: .85rem 0 1rem;
}
.admin-section { padding-bottom: 0; }
.notice {
  border: 1px solid var(--border); background: var(--surface);
  border-radius: 8px; padding: .85rem 1rem; margin-bottom: 1rem;
}
.notice.success { color: var(--green); }
.notice.error { color: var(--amber); }
.page-panel {
  max-width: 760px; margin: 0 auto; padding: 2rem 1.5rem;
  color: var(--muted);
}
.page-panel.narrow { max-width: 560px; }
.page-panel.wide { max-width: 860px; }
.form-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem; margin-bottom: .75rem;
}
.form-stack {
  display: grid; gap: .75rem; margin-bottom: .75rem;
}
.form-actions {
  display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1.2rem;
}
.form-actions:last-child { margin-bottom: 0; }
.input-control {
  width: 100%; padding: .7rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.alert, .status-card {
  background: var(--surface); padding: 1rem; border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 1rem;
}
.alert.success, .status-card.success { color: var(--green); }
.alert.error, .status-card.warning { color: var(--amber); }
.section-divider {
  border: none; border-top: 1px solid var(--border); margin: 1.25rem 0;
}
.form-heading { margin-bottom: .6rem; }
.section-heading { color: var(--muted); margin-bottom: .75rem; }
.danger-title { color: var(--amber); }
.checkbox-label { color: var(--muted); font-size: .9rem; }
.help-text {
  margin-top: 0; margin-bottom: .75rem; color: var(--muted); font-size: .95rem;
}
.admin-grid {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(240px, .8fr);
  gap: 1.5rem;
}
.admin-form {
  display: grid; gap: .75rem;
}
.admin-form input, .admin-form textarea, .admin-inline-form input,
.admin-edit-form input, .admin-edit-form textarea, .admin-user-form input {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); padding: .7rem .8rem;
}
.admin-form textarea { min-height: 7rem; resize: vertical; }
.admin-settings-form { margin-top: 1rem; }
.admin-settings-form label {
  color: var(--muted); font-size: .8rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
}
.admin-note {
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface);
  color: var(--muted); padding: 1rem; font-size: .9rem; line-height: 1.6;
}
.admin-list { display: grid; gap: .75rem; }
.admin-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center;
  gap: .9rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: .9rem;
}
.admin-row strong { display: block; color: var(--text); margin-bottom: .25rem; }
.admin-row a {
  display: block; color: var(--accent2); font-size: .8rem; overflow-wrap: anywhere;
  text-decoration: none; margin-bottom: .25rem;
}
.admin-row a:hover { text-decoration: underline; }
.admin-row p { color: var(--muted); font-size: .84rem; margin: 0; }
.admin-inline-form {
  display: grid; grid-template-columns: 5.5rem auto; gap: .5rem;
}
.admin-edit-form {
  display: grid; gap: .6rem;
}
.admin-edit-form textarea {
  min-height: 5.5rem; resize: vertical;
}
.admin-edit-line {
  display: grid; grid-template-columns: minmax(0, 1fr) 6rem; gap: .6rem;
}
.admin-user-form {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: .6rem;
}
.admin-user-form p {
  grid-column: 1 / -1;
}
.admin-user-form button {
  justify-self: start;
}
.admin-empty {
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface);
  color: var(--muted); padding: 1rem;
}
.data-two-column {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
  gap: 1.5rem; padding-top: 0;
}
.idea-list {
  list-style: none; display: grid; gap: .7rem; color: var(--text);
}
.idea-list li {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: .85rem 1rem; font-size: .88rem;
}
.data-table { margin-top: .75rem; }
.preview-modal {
  display: none; position: fixed; inset: 0; z-index: 500;
  align-items: center; justify-content: center; padding: 1rem;
}
.preview-modal.open { display: flex; }
.preview-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,.68);
  backdrop-filter: blur(6px);
}
.preview-dialog {
  position: relative; width: min(680px, 100%); max-height: min(720px, 88vh);
  overflow: auto; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.5rem; box-shadow: 0 24px 80px rgba(0,0,0,.55);
}
.preview-close {
  position: absolute; top: .8rem; right: .8rem;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface2);
  color: var(--text); font-size: 1.35rem; line-height: 1;
  cursor: pointer;
}
.preview-close:hover { border-color: var(--accent); }
.preview-dialog h2 {
  font-size: 1.45rem; line-height: 1.2; margin: .7rem 2rem .5rem 0;
  color: var(--text); text-transform: none; letter-spacing: 0;
}
.preview-dialog > a {
  display: block; color: var(--accent2); font-size: .84rem;
  overflow-wrap: anywhere; margin-bottom: 1.25rem; text-decoration: none;
}
.preview-dialog > a:hover { text-decoration: underline; }
.preview-block {
  border-top: 1px solid var(--border); padding-top: 1rem; margin-top: 1rem;
}
.preview-block h3 {
  color: var(--muted); font-size: .72rem; letter-spacing: .05em;
  text-transform: uppercase; margin-bottom: .4rem;
}
.preview-block p { color: var(--text); font-size: .94rem; line-height: 1.65; }
.preview-list {
  list-style: none; display: grid; gap: .45rem;
  color: var(--text); font-size: .9rem;
}
.preview-list li {
  border: 1px solid var(--border); border-radius: 6px;
  background: rgba(255,255,255,.03); padding: .5rem .65rem;
}

/* -- LLM chat -- */
.llm-shell {
  max-width: 920px; margin: 0 auto; padding: 1rem 1.5rem 4rem;
}
.llm-gate {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem;
  align-items: center; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: 1.5rem;
}
.llm-gate h2, .llm-toolbar h2 {
  font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.15;
}
.llm-gate p, .llm-toolbar p {
  color: var(--muted); max-width: 560px; margin-top: .45rem;
}
.llm-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1rem;
}
.chat-topic-manager {
  border: 1px solid var(--border); border-radius: 8px;
  background: rgba(255,255,255,.025); padding: .95rem;
  margin: 0 0 1rem;
}
.chat-topic-manager-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 1rem; align-items: end; margin-bottom: .85rem;
}
.chat-topic-manager-head .section-kicker {
  margin-bottom: .25rem;
}
.chat-topic-manager-head p {
  color: var(--muted); font-size: .88rem;
}
.chat-topic-create {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: .55rem; margin: 0;
}
.chat-topic-create input, .chat-topic-rename input {
  width: 100%; border: 1px solid var(--border); border-radius: 7px;
  background: rgba(13,13,15,.72); color: var(--text);
  padding: .58rem .7rem; font: inherit; font-size: .9rem;
}
.chat-topic-create input:focus, .chat-topic-rename input:focus {
  outline: none; border-color: rgba(74,222,128,.55);
}
.chat-topic-create button, .chat-topic-rename button,
.chat-topic-actions button {
  padding: .58rem .85rem; border-radius: 7px; font-size: .84rem;
  white-space: nowrap;
}
.chat-topic-create button[disabled], .chat-topic-create input[disabled] {
  opacity: .52; cursor: not-allowed;
}
.chat-topic-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: .5rem; margin-bottom: .85rem;
}
.chat-topic {
  min-width: 0; border: 1px solid var(--border); border-radius: 7px;
  color: var(--muted); background: rgba(255,255,255,.025);
  padding: .55rem .65rem; text-decoration: none; font-size: .84rem;
}
.chat-topic span {
  display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-topic strong {
  display: block; color: var(--green); font-size: .64rem; letter-spacing: .06em;
  margin-top: .18rem; text-transform: uppercase;
}
.chat-topic:hover, .chat-topic.active {
  border-color: rgba(74,222,128,.45); color: var(--text);
  background: rgba(74,222,128,.08);
}
.chat-topic-editor {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem; align-items: center;
}
.chat-topic-rename {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: .55rem; margin: 0;
}
.chat-topic-actions {
  display: flex; align-items: center; justify-content: flex-end;
  gap: .5rem; flex-wrap: wrap;
}
.chat-topic-actions form {
  margin: 0;
}
.chat-panel {
  min-height: 460px; max-height: 620px; overflow: auto;
  display: flex; flex-direction: column; gap: .85rem;
  scroll-behavior: smooth;
  border: 1px solid var(--border); border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(34,197,94,.08), transparent 42%),
    var(--surface);
  padding: 1rem;
}
.chat-message {
  width: min(78%, 680px); border: 1px solid var(--border);
  border-radius: 8px; padding: .85rem .95rem;
  background: rgba(255,255,255,.035);
}
.chat-message.from-user {
  align-self: flex-end; border-color: rgba(124,106,247,.55);
  background: rgba(124,106,247,.12);
}
.chat-message.from-assistant {
  align-self: flex-start; border-color: rgba(74,222,128,.38);
}
.chat-message-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: .35rem;
}
.chat-message-head span {
  display: block; color: var(--green); font-size: .68rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}
.chat-delete-form {
  margin: 0;
}
.chat-delete-btn {
  border: 1px solid rgba(251,191,36,.35); border-radius: 6px;
  background: rgba(251,191,36,.08); color: var(--amber);
  cursor: pointer; font: inherit; font-size: .68rem; font-weight: 800;
  letter-spacing: .04em; line-height: 1; padding: .34rem .45rem;
  text-transform: uppercase;
}
.chat-delete-btn:hover, .chat-delete-btn:focus {
  border-color: var(--amber); outline: none;
  background: rgba(251,191,36,.14);
}
.chat-content {
  color: var(--text); line-height: 1.68; font-size: .96rem;
}
.chat-content > * + * {
  margin-top: .7rem;
}
.chat-content p {
  margin: 0;
}
.chat-message.is-streaming .chat-content p {
  white-space: pre-wrap;
}
.chat-content h3, .chat-content h4 {
  color: #f5f7fb; line-height: 1.25; letter-spacing: 0;
  border-bottom: 1px solid rgba(148,163,184,.18);
  padding-bottom: .32rem;
}
.chat-content h3 {
  font-size: 1.03rem; margin-top: .25rem;
}
.chat-content h4 {
  font-size: .96rem; color: #d9f99d;
}
.chat-content ol, .chat-content ul {
  margin: .15rem 0 0 1.2rem; padding: 0;
}
.chat-content li {
  padding-left: .25rem; margin: .38rem 0;
}
.chat-content li::marker {
  color: var(--green); font-weight: 800;
}
.chat-content strong {
  color: #f5f7fb; font-weight: 800;
}
.chat-content code {
  display: inline-block; border: 1px solid rgba(148,163,184,.28);
  border-radius: 5px; background: rgba(2,6,23,.42);
  color: #d9f99d; padding: .05rem .32rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .88em; line-height: 1.45;
}
.chat-content pre {
  overflow-x: auto; border: 1px solid rgba(148,163,184,.26);
  border-radius: 8px; background: rgba(2,6,23,.58);
  padding: .85rem .95rem; box-shadow: inset 3px 0 0 rgba(74,222,128,.42);
}
.chat-content pre code {
  display: block; border: 0; border-radius: 0; background: transparent;
  padding: 0; color: #e5e7eb; white-space: pre;
}
.chat-message time {
  display: block; color: var(--muted); font-size: .68rem; margin-top: .55rem;
}
.chat-empty {
  margin: auto; max-width: 440px; text-align: center; color: var(--muted);
}
.chat-empty h2 { color: var(--text); margin-bottom: .35rem; }
.chat-compose {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .75rem;
  align-items: end; margin-top: .9rem;
}
.chat-compose textarea {
  width: 100%; resize: vertical; min-height: 5.25rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
  padding: .85rem .95rem; font: inherit;
}
.chat-compose textarea:focus {
  outline: none; border-color: var(--accent);
}
.chat-compose textarea[readonly] {
  opacity: .76;
}
.chat-compose button[disabled] {
  opacity: .55; cursor: not-allowed; transform: none;
}
.chat-compose button.is-waiting {
  background: #b91c1c; color: #fff; cursor: pointer;
}

/* ── Features ── */
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem; max-width: 860px; margin: 0 auto; padding: 0 1.5rem 4rem;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.5rem;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.feature-icon { font-size: 1.5rem; margin-bottom: .75rem; }
.feature-card h3 { font-size: .95rem; margin-bottom: .35rem; }
.feature-card p  { font-size: .82rem; color: var(--muted); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  background:
    linear-gradient(145deg, rgba(124,106,247,.08), transparent 44%),
    rgba(255,255,255,.015);
  color: var(--muted);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem;
  display: grid; grid-template-columns: minmax(220px, .75fr) minmax(0, 1.25fr);
  gap: 1.25rem 2rem; align-items: start;
}
.footer-brand { text-align: left; }
.footer-logo {
  display: inline-block; margin-bottom: .55rem; font-weight: 800;
  color: var(--text); letter-spacing: .04em;
}
.footer-brand p {
  max-width: 360px; color: var(--muted); font-size: .86rem; line-height: 1.55;
}
.footer-stats {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .55rem;
}
.footer-stat {
  min-height: 78px; display: flex; flex-direction: column;
  justify-content: space-between; gap: .45rem; padding: .7rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); text-decoration: none;
  transition: border-color .2s, transform .2s, background .2s;
}
.footer-stat:hover, .footer-stat:focus {
  border-color: var(--accent); background: rgba(255,255,255,.06);
  transform: translateY(-1px); outline: none;
}
.footer-stat strong {
  color: var(--text); font-size: .98rem; line-height: 1.15;
  overflow-wrap: anywhere; text-transform: capitalize;
}
.footer-stat span {
  color: var(--muted); font-size: .64rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}
.footer-meta {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .55rem 1rem;
  align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); padding-top: 1rem;
  font-size: .78rem;
}
.footer-meta a {
  color: var(--accent2); text-decoration: none; font-weight: 700;
}
.footer-meta a:hover { text-decoration: underline; }
.site-footer code {
  background: var(--surface); border: 1px solid var(--border);
  padding: 1px 6px; border-radius: 4px; font-size: .75rem;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  nav { padding: 1rem 1.25rem; gap: .75rem; }
  .nav-links { display: none; }
  .nav-actions { gap: .6rem; }
  .visit-badge { padding: .35rem .65rem; }
  .visit-badge span:not(.pulse):not(.count) { display: none; }
  .portfolio-hero {
    grid-template-columns: 1fr; padding: 3.5rem 1.25rem 2.75rem;
  }
  .portfolio-copy h1 { font-size: 2.45rem; }
  .portfolio-actions { justify-content: stretch; }
  .portfolio-actions button { width: 100%; }
  .portfolio-panel { min-height: 300px; }
  .credential-strip { grid-template-columns: 1fr; }
  .work-grid, .portfolio-split, .about-summary, .capability-grid { grid-template-columns: 1fr; }
  .work-card { min-height: 190px; }
  .stats-overview { grid-template-columns: 1fr; }
  .metric-card { min-height: 120px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-stat:last-child { grid-column: 1 / -1; }
  .footer-meta { display: grid; justify-content: stretch; text-align: left; }
  .data-header { display: block; }
  .data-mode { display: inline-block; margin-top: .75rem; }
  .data-two-column { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .chat-topic-manager-head, .chat-topic-editor,
  .chat-topic-create, .chat-topic-rename {
    grid-template-columns: 1fr;
  }
  .chat-topic-actions {
    justify-content: stretch;
  }
  .chat-topic-actions form, .chat-topic-actions button,
  .chat-topic-create button, .chat-topic-rename button {
    width: 100%;
  }
}

/* ── User dropdown in nav ── */
.user-dropdown { position: relative; display: inline-block; }
.user-btn {
  background: transparent; border: none; color: var(--muted);
  cursor: pointer; padding: .15rem .4rem; border-radius: 6px; font-size: .9rem;
}
.user-btn:hover, .user-btn:focus { color: var(--text); outline: none; }
.user-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; min-width: 150px; display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45); overflow: hidden; z-index: 200;
}
.user-menu a { display: block; padding: .6rem .9rem; color: var(--muted); text-decoration: none; }
.user-menu a:hover { background: var(--surface2); color: var(--text); }
.user-dropdown:hover .user-menu, .user-dropdown:focus-within .user-menu { display: block; }