@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Design tokens ───────────────────────────────────────────────────────── */
:root {
  --bg-void:     #03060E;
  --bg-deep:     #060C1A;
  --bg-surface:  #0A1528;
  --bg-panel:    #0D1C34;
  --bg-elevated: #122240;

  --border-ghost:  rgba(0,185,240,.07);
  --border-dim:    rgba(0,185,240,.15);
  --border-mid:    rgba(0,185,240,.28);
  --border-bright: rgba(0,185,240,.55);

  --cyan:        #00C8F0;
  --cyan-soft:   rgba(0,200,240,.65);
  --cyan-glow:   rgba(0,200,240,.12);
  --cyan-glow2:  rgba(0,200,240,.25);

  --violet:      #7B5EFA;
  --violet-soft: rgba(123,94,250,.65);
  --violet-glow: rgba(123,94,250,.12);

  --txt:         #D8EAFB;
  --txt-mid:     #6A8EA8;
  --txt-muted:   #304560;

  --green:  #00D4A0;
  --amber:  #FFB030;
  --red:    #FF4D6A;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --f-display: 'Syne', sans-serif;
  --f-body:    'DM Sans', sans-serif;
  --f-mono:    'JetBrains Mono', monospace;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  background: var(--bg-void);
  color: var(--txt);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient gradient blobs */
.bg-blobs {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.bg-blobs::before {
  content: '';
  position: absolute;
  width: 700px; height: 500px;
  top: -150px; left: -200px;
  background: radial-gradient(ellipse, rgba(0,200,240,.055) 0%, transparent 70%);
  border-radius: 50%;
}
.bg-blobs::after {
  content: '';
  position: absolute;
  width: 600px; height: 500px;
  bottom: -100px; right: -150px;
  background: radial-gradient(ellipse, rgba(123,94,250,.05) 0%, transparent 70%);
  border-radius: 50%;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 58px;
  background: rgba(3,6,14,.88);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-ghost);
}

.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--txt);
}
.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 14px var(--cyan-glow2);
}
.logo-text {
  font-family: var(--f-display);
  font-size: 17px; font-weight: 700; letter-spacing: -.2px;
}
.logo-text em { font-style: normal; color: var(--cyan); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 6px 13px; border-radius: var(--r-sm);
  text-decoration: none; color: var(--txt-mid);
  font-size: 14px; font-weight: 500;
  transition: color .18s, background .18s;
}
.nav-link:hover { color: var(--txt); background: rgba(255,255,255,.04); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--r-md);
  font-family: var(--f-body); font-size: 14px; font-weight: 600;
  border: none; cursor: pointer; text-decoration: none;
  transition: all .18s; white-space: nowrap;
}
.btn-sm { padding: 6px 13px; font-size: 13px; }
.btn-xs { padding: 5px 10px; font-size: 12px; }

.btn-ghost {
  background: transparent; color: var(--txt-mid);
  border: 1px solid var(--border-dim);
}
.btn-ghost:hover { color: var(--txt); border-color: var(--border-mid); background: rgba(255,255,255,.03); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  color: #fff;
  box-shadow: 0 0 20px var(--cyan-glow), 0 2px 10px rgba(0,0,0,.35);
}
.btn-primary:hover  { transform: translateY(-1px); box-shadow: 0 0 32px var(--cyan-glow2), 0 4px 14px rgba(0,0,0,.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-nav {
  padding: 7px 16px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 600;
  text-decoration: none; border: none; cursor: pointer;
  transition: opacity .18s, transform .15s;
}
.btn-nav:hover { opacity: .88; transform: translateY(-1px); }

/* ── Main layout ─────────────────────────────────────────────────────────── */
main {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

/* ── Tagline block ───────────────────────────────────────────────────────── */
.tagline { text-align: center; margin-bottom: 2.2rem; }
.tagline-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 99px;
  border: 1px solid var(--border-dim);
  background: var(--cyan-glow);
  font-size: 12px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--cyan-soft);
  margin-bottom: 16px;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
.tagline-title {
  font-family: var(--f-display);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 800; letter-spacing: -.5px;
  line-height: 1.2; margin-bottom: 10px;
}
.tagline-title em { font-style: normal; color: var(--cyan); }
.tagline-sub { color: var(--txt-mid); font-size: 15px; max-width: 420px; margin: 0 auto; }

/* ── Editor card ─────────────────────────────────────────────────────────── */
.editor-card {
  background: var(--bg-surface);
  border-radius: var(--r-xl);
  overflow: hidden;
  position: relative;
  box-shadow:
    0 0 0 1px var(--border-dim),
    0 8px 40px rgba(0,0,0,.45),
    0 0 70px rgba(0,200,240,.04),
    0 0 140px rgba(123,94,250,.03);
  transition: box-shadow .35s;
}
.editor-card:focus-within {
  box-shadow:
    0 0 0 1px var(--border-mid),
    0 8px 40px rgba(0,0,0,.45),
    0 0 90px rgba(0,200,240,.1),
    0 0 180px rgba(123,94,250,.06);
}

/* gradient top line */
.editor-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--cyan) 40%, var(--violet) 65%, transparent 95%);
  opacity: .75; z-index: 2;
}

/* ── Editor top bar ───────────────────────────────────────────────────────── */
.editor-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-ghost);
}
.editor-hint {
  font-family: var(--f-mono); font-size: 12px; color: var(--txt-muted);
}
.editor-hint::before { content: '// '; color: var(--cyan-soft); }

/* ── Quill overrides ─────────────────────────────────────────────────────── */
.ql-toolbar.ql-snow {
  border: none !important;
  border-bottom: 1px solid var(--border-ghost) !important;
  background: var(--bg-panel);
  padding: 10px 16px;
}
.ql-toolbar.ql-snow .ql-formats { margin-right: 14px; }

.ql-snow .ql-stroke { stroke: var(--txt-mid) !important; }
.ql-snow .ql-fill   { fill:   var(--txt-mid) !important; }
.ql-snow .ql-picker-label { color: var(--txt-mid) !important; }

.ql-snow.ql-toolbar button:hover .ql-stroke,
.ql-snow .ql-toolbar button.ql-active .ql-stroke { stroke: var(--cyan) !important; }
.ql-snow.ql-toolbar button:hover .ql-fill,
.ql-snow .ql-toolbar button.ql-active .ql-fill   { fill:   var(--cyan) !important; }
.ql-snow.ql-toolbar button:hover { background: var(--cyan-glow) !important; border-radius: 4px; }

.ql-picker-options {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-mid) !important;
  border-radius: var(--r-md) !important;
  box-shadow: 0 8px 30px rgba(0,0,0,.4) !important;
}
.ql-picker-item { color: var(--txt-mid) !important; }
.ql-picker-item:hover { color: var(--cyan) !important; }

.ql-container.ql-snow { border: none !important; font-family: var(--f-body); font-size: 15px; }
.ql-editor {
  min-height: 280px; max-height: 460px;
  color: var(--txt);
  padding: 20px 24px;
  background: var(--bg-surface);
  line-height: 1.75;
}
.ql-editor.ql-blank::before { color: var(--txt-muted) !important; font-style: italic; }
.ql-editor::-webkit-scrollbar { width: 4px; }
.ql-editor::-webkit-scrollbar-track { background: transparent; }
.ql-editor::-webkit-scrollbar-thumb { background: var(--border-dim); border-radius: 2px; }

/* ── Settings panel ──────────────────────────────────────────────────────── */
.settings-panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  padding: 16px 18px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-ghost);
}

.field-group { display: flex; flex-direction: column; gap: 5px; }
.field-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--txt-muted);
  font-family: var(--f-display);
}

.field-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-ghost);
  border-radius: var(--r-sm);
  color: var(--txt); font-family: var(--f-body); font-size: 14px;
  padding: 9px 12px; outline: none; width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.field-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px var(--cyan-glow); }
.field-input::placeholder { color: var(--txt-muted); }

select.field-input {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23304560' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 30px;
}
select.field-input option { background: var(--bg-elevated); }

/* ── Captcha row ─────────────────────────────────────────────────────────── */
.captcha-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 18px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-ghost);
}
.captcha-label { font-size: 12px; color: var(--txt-mid); white-space: nowrap; font-weight: 500; }
.captcha-q {
  font-family: var(--f-mono); font-size: 15px; font-weight: 600; color: var(--cyan);
  background: var(--cyan-glow); border: 1px solid var(--border-dim);
  border-radius: var(--r-sm); padding: 5px 13px; white-space: nowrap;
  letter-spacing: .04em;
}
.captcha-eq { color: var(--txt-muted); font-size: 17px; font-weight: 300; }
.captcha-input {
  width: 72px; text-align: center;
  font-family: var(--f-mono); font-size: 16px; font-weight: 600;
}
.captcha-spacer { flex: 1; }

/* ── Action row ──────────────────────────────────────────────────────────── */
.action-row {
  display: flex; align-items: center; justify-content: flex-end; gap: 10px;
  padding: 13px 18px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-ghost);
}

/* ── Share modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(3,6,14,.82);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .28s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-xl);
  padding: 32px 28px 28px;
  max-width: 460px; width: 92%;
  position: relative; overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.55), 0 0 60px var(--cyan-glow);
  transform: translateY(18px) scale(.97);
  transition: transform .28s cubic-bezier(.22,.97,.36,1);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--bg-elevated); border: 1px solid var(--border-ghost);
  color: var(--txt-mid); font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .18s;
}
.modal-close:hover { background: var(--red); color: #fff; border-color: transparent; }

.modal-icon {
  width: 54px; height: 54px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--cyan-glow), var(--violet-glow));
  border: 1px solid var(--border-dim); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.modal-title { font-family: var(--f-display); font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 6px; }
.modal-sub { color: var(--txt-mid); font-size: 14px; text-align: center; margin-bottom: 22px; }

.share-box {
  display: flex; gap: 6px;
  background: var(--bg-panel); border: 1px solid var(--border-dim);
  border-radius: var(--r-md); padding: 4px;
  margin-bottom: 16px;
}
.share-input {
  flex: 1; background: none; border: none;
  color: var(--cyan); font-family: var(--f-mono); font-size: 13px;
  padding: 8px 10px; outline: none;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.btn-copy {
  padding: 8px 16px; border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border: none; color: #fff; font-size: 13px; font-weight: 600;
  cursor: pointer; white-space: nowrap; transition: opacity .18s;
}
.btn-copy:hover { opacity: .85; }
.btn-copy.copied { background: var(--green); }

.modal-badges {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 18px;
}
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: 99px;
  font-size: 12px; font-weight: 600;
  border: 1px solid var(--border-dim); color: var(--txt-mid);
}

/* ── Stats footer ────────────────────────────────────────────────────────── */
.stats-footer {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
  background: rgba(3,6,14,.9);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-ghost);
  padding: 0 2rem; height: 42px;
  display: flex; align-items: center; justify-content: center; gap: 24px;
}
.stat-item { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--txt-mid); }
.stat-val { font-family: var(--f-mono); font-size: 13px; font-weight: 600; color: var(--txt); }
.stat-dot {
  width: 7px; height: 7px; border-radius: 50%;
  animation: pulse-dot 2.2s ease-in-out infinite;
}
.stat-dot.green  { background: var(--green);  box-shadow: 0 0 7px var(--green); }
.stat-dot.violet { background: var(--violet); box-shadow: 0 0 7px var(--violet); }
.stat-dot.cyan   { background: var(--cyan);   box-shadow: 0 0 7px var(--cyan); }
.stat-divider { width: 1px; height: 14px; background: var(--border-ghost); }

/* ── Note view page ──────────────────────────────────────────────────────── */
.state-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh; padding: 2rem;
}

.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--border-dim);
  border-top-color: var(--cyan);
  animation: spin 0.7s linear infinite;
  margin: 0 auto 16px;
}
.loading-text { color: var(--txt-mid); font-size: 14px; text-align: center; }

.lock-card, .error-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-xl); padding: 36px 32px;
  max-width: 400px; width: 100%; text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,.4), 0 0 60px var(--cyan-glow);
  position: relative; overflow: hidden;
}
.lock-card::before, .error-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
}
.lock-icon, .error-icon { font-size: 40px; margin-bottom: 14px; }
.lock-title, .error-title {
  font-family: var(--f-display); font-size: 20px; font-weight: 700; margin-bottom: 8px;
}
.lock-sub, .error-sub { color: var(--txt-mid); font-size: 14px; margin-bottom: 20px; }
.lock-error {
  margin-top: 10px; font-size: 13px; color: var(--red);
  padding: 8px 12px; border-radius: var(--r-sm);
  background: rgba(255,77,106,.1); border: 1px solid rgba(255,77,106,.25);
}

/* ── Copy-all button ─────────────────────────────────────────────────────── */
.btn-copy-all {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: var(--r-md);
  font-family: var(--f-body); font-size: 13px; font-weight: 700;
  cursor: pointer; border: 1px solid var(--border-mid);
  background: linear-gradient(135deg, rgba(0,200,240,.12), rgba(123,94,250,.12));
  color: var(--cyan); transition: all .18s; white-space: nowrap;
}
.btn-copy-all:hover {
  background: linear-gradient(135deg, rgba(0,200,240,.22), rgba(123,94,250,.22));
  border-color: var(--border-bright);
  box-shadow: 0 0 18px var(--cyan-glow);
  transform: translateY(-1px);
}
.btn-copy-all.copied {
  background: rgba(0,212,160,.15);
  border-color: rgba(0,212,160,.4);
  color: var(--green);
  box-shadow: 0 0 14px rgba(0,212,160,.2);
}

.note-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.note-meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--txt-mid); }
.note-meta-spacer { flex: 1; }
.meta-icon { font-size: 14px; }

.note-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,.35), 0 0 60px rgba(0,200,240,.04);
  position: relative;
}
.note-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--cyan) 40%, var(--violet) 65%, transparent 95%);
  opacity: .7; z-index: 2;
}
.note-body {
  padding: 28px 28px;
  color: var(--txt); font-size: 15px; line-height: 1.75;
  min-height: 200px;
}
.note-body h1, .note-body h2, .note-body h3 { font-family: var(--f-display); font-weight: 700; margin-bottom: 10px; }
.note-body p   { margin-bottom: 10px; }
.note-body ul, .note-body ol { margin: 0 0 10px 20px; }
.note-body a   { color: var(--cyan); }
.note-body blockquote {
  border-left: 3px solid var(--border-mid);
  padding-left: 14px; color: var(--txt-mid);
  margin: 0 0 10px;
}
.note-body pre {
  background: var(--bg-panel); border: 1px solid var(--border-ghost);
  border-radius: var(--r-sm); padding: 14px 16px;
  font-family: var(--f-mono); font-size: 13px; overflow-x: auto;
  margin-bottom: 10px;
}
.note-body strong { font-weight: 700; }
.note-body em { font-style: italic; }

/* ── Toast ───────────────────────────────────────────────────────────────── */
.toast-wrap {
  position: fixed; bottom: 56px; left: 50%;
  transform: translateX(-50%);
  z-index: 999; display: flex; flex-direction: column; align-items: center; gap: 6px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 20px; border-radius: var(--r-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  font-size: 14px; color: var(--txt);
  box-shadow: 0 8px 30px rgba(0,0,0,.45);
  backdrop-filter: blur(20px);
  pointer-events: all;
  animation: toast-in .25s ease;
  max-width: 380px;
}
.toast.success { border-color: rgba(0,212,160,.4); background: rgba(0,212,160,.1); }
.toast.error   { border-color: rgba(255,77,106,.4); background: rgba(255,77,106,.1); }
.toast-icon { font-size: 16px; }

/* ── Animations ──────────────────────────────────────────────────────────── */
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.6; transform:scale(.75); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes toast-in {
  from { opacity:0; transform:translateY(8px) scale(.95); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}
@keyframes fade-up {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:translateY(0); }
}
.anim-1 { animation: fade-up .5s ease both; }
.anim-2 { animation: fade-up .5s .1s ease both; }
.anim-3 { animation: fade-up .5s .2s ease both; }

/* ── Syntax highlighted code blocks ─────────────────────────────────────── */
#noteBody pre {
  position: relative;
  border-radius: var(--r-md) !important;
  overflow: hidden;
  margin: 14px 0;
  border: 1px solid rgba(0,185,240,.12) !important;
  background: #1a1f2e !important;
  padding: 0 !important;
}

/* override atom-one-dark background to match our theme */
#noteBody pre code.hljs {
  background: #1a1f2e !important;
  padding: 16px 18px 16px 0 !important;
  font-family: var(--f-mono) !important;
  font-size: 13.5px !important;
  line-height: 1.65 !important;
  border-radius: 0 !important;
  display: block;
  overflow-x: auto;
}

/* header bar above each code block */
.code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 14px;
  background: rgba(0,0,0,.3);
  border-bottom: 1px solid rgba(0,185,240,.1);
}
.code-lang {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: .08em; color: var(--cyan-soft);
}
.code-copy {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 4px;
  background: rgba(0,200,240,.1); border: 1px solid rgba(0,200,240,.2);
  color: var(--cyan-soft); cursor: pointer;
  transition: background .18s, color .18s;
}
.code-copy:hover  { background: rgba(0,200,240,.2); color: var(--cyan); }
.code-copy.copied { background: rgba(0,212,160,.15); border-color: rgba(0,212,160,.3); color: var(--green); }

/* line numbers */
.hljs-ln-numbers {
  user-select: none;
  text-align: right;
  color: rgba(255,255,255,.18) !important;
  border-right: 1px solid rgba(255,255,255,.07) !important;
  padding: 0 14px !important;
  vertical-align: top;
  min-width: 38px;
}
.hljs-ln-code { padding-left: 16px !important; }

/* also style Quill's inline code */
#noteBody code:not(.hljs) {
  font-family: var(--f-mono); font-size: 13px;
  background: rgba(0,200,240,.1); color: var(--cyan-soft);
  border: 1px solid rgba(0,200,240,.15);
  border-radius: 4px; padding: 1px 6px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .settings-panel { grid-template-columns: 1fr; }
  .header { padding: 0 1rem; }
  main { padding: 1.5rem 1rem 4rem; }
  .nav-link { display: none; }
  .stats-footer { gap: 14px; padding: 0 1rem; }
  .modal { padding: 24px 18px 20px; }
}