:root {
  --canvas: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #edf1f7;
  --border: #dbe2ec;
  --border-strong: #abb8cb;
  --ink: #182235;
  --muted: #5d6b82;
  --accent: #245bdb;
  --accent-hover: #1949bd;
  --accent-ink: #ffffff;
  --accent-text: #1d4fc5;
  --accent-strong: #1d4fc5;
  --accent-soft: #e5edff;
  --accent-border: #b9cbff;
  --success: #16845b;
  --success-ink: #ffffff;
  --success-soft: #e3f4ec;
  --success-strong: #126d4a;
  --warning: #a85b12;
  --warning-ink: #ffffff;
  --warning-soft: #fff1dc;
  --warning-strong: #8a480b;
  --danger: #c23e4c;
  --danger-ink: #ffffff;
  --danger-soft: #ffeaed;
  --danger-strong: #a92c3a;
  --chart-1: #245bdb;
  --chart-2: #16845b;
  --chart-3: #a85b12;
  --chart-4: #7d55c7;
  --chart-5: #167f91;
  --chart-6: #c05a89;
  --font-display: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --display-weight: 700;
  --display-tracking: -0.035em;
  --eyebrow-tracking: 0.08em;
  --radius-btn: 0.75rem;
  --radius-card: 1.15rem;
  --radius-input: 0.75rem;
  --border-w: 1px;
  --border-strong-w: 1px;
  --shadow-card: 0 8px 32px rgba(23, 43, 77, 0.055);
  --shadow-raised: 0 18px 55px rgba(23, 43, 77, 0.16);
  --shadow-btn: 0 3px 10px rgba(36, 91, 219, 0.16);
  --card-pad: 1.25rem;
  --measure: 68ch;
}
html[data-theme="dark"] {
  --canvas: #101722;
  --surface: #182333;
  --surface-2: #202e40;
  --border: #2d3c51;
  --border-strong: #50627b;
  --ink: #edf3fb;
  --muted: #a5b3c8;
  --accent: #82a8ff;
  --accent-hover: #a0bbff;
  --accent-ink: #10203c;
  --accent-text: #a9c2ff;
  --accent-strong: #b4c9ff;
  --accent-soft: #213453;
  --accent-border: #3c5680;
  --success: #42b987;
  --success-ink: #10251d;
  --success-soft: #1d3b32;
  --success-strong: #71d3a8;
  --warning: #e3a15b;
  --warning-ink: #2a1c0e;
  --warning-soft: #41301e;
  --warning-strong: #f2bd7d;
  --danger: #ee7c88;
  --danger-ink: #35151a;
  --danger-soft: #43232a;
  --danger-strong: #ff9da7;
  --chart-1: #82a8ff;
  --chart-2: #42b987;
  --chart-3: #e3a15b;
  --chart-4: #ad91ee;
  --chart-5: #58bac8;
  --chart-6: #e88db8;
}

.vault-shell { background: radial-gradient(ellipse at 16% 0%, color-mix(in srgb, var(--accent-soft) 60%, transparent), transparent 34rem), var(--canvas); }
.vault-header { border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(18px); }
.vault-brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); font-weight: 800; letter-spacing: -.04em; }
.brand-mark { display: grid; width: 2.25rem; height: 2.25rem; place-items: center; border-radius: .75rem; background: var(--accent); color: var(--accent-ink); }
.brand-mark .icon { width: 1.2rem; height: 1.2rem; }
.brand-name { font-family: var(--font-display); font-size: 1.2rem; }
.offline-pill { display: inline-flex; align-items: center; gap: .45rem; border: 1px solid var(--border); border-radius: 999px; padding: .4rem .7rem; color: var(--muted); font-size: .75rem; font-weight: 600; }
.status-dot { width: .45rem; height: .45rem; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.eyebrow { display: block; color: var(--accent-text); font-size: .68rem; font-weight: 800; letter-spacing: .15em; }
.auth-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(19rem, 27rem); align-items: center; gap: clamp(2rem, 7vw, 6rem); min-height: 68vh; padding-block: 2rem 4rem; }
.auth-copy { max-width: 39rem; }
.auth-title { margin-top: 1.1rem; font-family: var(--font-display); font-size: clamp(2.65rem, 5.4vw, 4.6rem); font-weight: 800; letter-spacing: -.065em; line-height: 1.04; }
.auth-title span { color: var(--accent-text); }
.auth-lede { max-width: 34rem; margin-top: 1.5rem; color: var(--muted); font-size: 1.08rem; line-height: 1.8; }
.privacy-points { display: grid; gap: 1rem; margin-top: 2.2rem; color: var(--muted); font-size: .9rem; }
.privacy-points > div { display: flex; align-items: center; gap: .75rem; }
.privacy-points .icon { width: 1.15rem; height: 1.15rem; color: var(--accent-text); }
.auth-card { padding: clamp(1.35rem, 3vw, 2rem); box-shadow: var(--shadow-card); }
.auth-icon { display: grid; width: 2.7rem; height: 2.7rem; flex: 0 0 auto; place-items: center; border-radius: .9rem; background: var(--accent-soft); color: var(--accent-strong); }
.auth-icon .icon { width: 1.35rem; height: 1.35rem; }
.auth-form { display: grid; gap: 1.1rem; margin-top: 1.4rem; }
.auth-foot { margin-top: 1.5rem; border-top: 1px solid var(--border); padding-top: 1rem; color: var(--muted); font-size: .75rem; line-height: 1.6; }
.form-message { min-height: 1.2rem; color: var(--danger-strong); font-size: .82rem; }
.form-message.success { color: var(--success-strong); }
.vault-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.75rem; }
.page-title { margin-top: .35rem; font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.055em; }
.page-subtitle { margin-top: .35rem; color: var(--muted); font-size: .93rem; }
.vault-summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); padding: 1.2rem 1.5rem; box-shadow: var(--shadow-card); }
.summary-main { display: grid; grid-template-columns: auto auto; align-items: baseline; column-gap: .8rem; }
.summary-label { grid-column: 1 / -1; color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .12em; }
.summary-main strong { font-family: var(--font-display); font-size: 2rem; letter-spacing: -.05em; }
.summary-note { color: var(--muted); font-size: .8rem; }
.summary-secure { display: flex; align-items: center; gap: .85rem; }
.secure-icon { display: grid; width: 2.65rem; height: 2.65rem; place-items: center; border-radius: .9rem; background: var(--success-soft); color: var(--success-strong); }
.secure-icon .icon { width: 1.3rem; height: 1.3rem; }
.summary-secure strong, .summary-secure span { display: block; }
.summary-secure strong { font-size: .86rem; }
.summary-secure div span { margin-top: .15rem; color: var(--muted); font-size: .73rem; }
.vault-toolbar { display: flex; gap: .8rem; margin-block: 1.4rem; }
.search-wrap { position: relative; flex: 1; }
.search-wrap > .icon { position: absolute; top: 50%; left: .9rem; width: 1.05rem; height: 1.05rem; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.search-wrap .input { padding-left: 2.6rem; }
.category-select { width: 11rem; flex: 0 0 auto; }
.entries-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.entry-card { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); padding: 1.15rem; box-shadow: var(--shadow-card); transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease; }
.entry-card:hover { border-color: var(--accent-border); transform: translateY(-2px); box-shadow: var(--shadow-raised); }
.entry-card-top { display: flex; align-items: flex-start; gap: .7rem; }
.entry-favicon { display: grid; width: 2.55rem; height: 2.55rem; flex: 0 0 auto; place-items: center; border-radius: .85rem; background: var(--accent-soft); color: var(--accent-strong); font-family: var(--font-display); font-size: 1rem; font-weight: 800; }
.entry-heading { min-width: 0; flex: 1; }
.entry-name { overflow: hidden; color: var(--ink); font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.entry-category { display: inline-flex; margin-top: .25rem; color: var(--muted); font-size: .7rem; }
.entry-host { overflow: hidden; max-width: 100%; margin-top: .25rem; color: var(--muted); font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.entry-divider { height: 1px; margin-block: .9rem; background: var(--border); }
.entry-field-label { display: block; color: var(--muted); font-size: .65rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.entry-username { overflow: hidden; margin-top: .2rem; color: var(--ink); font-size: .85rem; text-overflow: ellipsis; white-space: nowrap; }
.entry-secret-row { display: flex; align-items: center; gap: .5rem; margin-top: .8rem; }
.entry-secret { min-width: 0; flex: 1; overflow: hidden; color: var(--muted); font-family: var(--font-mono); font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }
.entry-actions { display: flex; justify-content: flex-end; gap: .35rem; margin-top: .9rem; border-top: 1px solid var(--border); padding-top: .7rem; }
.entry-actions .btn { min-height: 2rem; padding: .35rem .6rem; font-size: .72rem; }
.password-input-row { display: flex; align-items: center; gap: .45rem; }
.password-input-row .input { min-width: 0; flex: 1; }
.strength-line { min-height: 1.1rem; margin-top: .35rem; color: var(--muted); font-size: .72rem; }
.vault-empty { margin-top: 1rem; border: 1px dashed var(--border-strong); border-radius: var(--radius-card); background: color-mix(in srgb, var(--surface) 65%, transparent); }
.backup-panel { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; padding: 1.1rem 1.25rem; }
.backup-icon { display: grid; width: 2.5rem; height: 2.5rem; flex: 0 0 auto; place-items: center; border-radius: .8rem; background: var(--accent-soft); color: var(--accent-strong); }
.backup-copy { min-width: 0; flex: 1; }
.backup-copy h2 { font-size: .9rem; font-weight: 700; }
.backup-copy p { max-width: 48rem; margin-top: .2rem; color: var(--muted); font-size: .75rem; line-height: 1.6; }
.backup-actions { display: flex; flex: 0 0 auto; gap: .4rem; }
.security-note { display: flex; gap: .7rem; max-width: 60rem; margin: 2rem auto 0; color: var(--muted); font-size: .73rem; line-height: 1.65; }
.security-note > span { flex: 0 0 auto; color: var(--warning-strong); }
.security-note .icon { width: 1rem; height: 1rem; }
.vault-footer { margin-top: 2rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .72rem; }
.footer-sep { padding-inline: .35rem; color: var(--border-strong); }
@media (max-width: 760px) {
  .auth-layout { grid-template-columns: 1fr; gap: 2rem; padding-block: 1.5rem 2.5rem; }
  .auth-copy { max-width: none; }
  .auth-title { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .privacy-points { grid-template-columns: 1fr; margin-top: 1.4rem; }
  .auth-card { max-width: none; }
  .entries-grid { grid-template-columns: 1fr; }
  .backup-panel { align-items: flex-start; flex-wrap: wrap; }
  .backup-copy { flex-basis: calc(100% - 4rem); }
  .backup-actions { width: 100%; }
  .backup-actions .btn { flex: 1; }
}
@media (max-width: 520px) {
  .offline-pill { display: none; }
  .vault-heading { align-items: flex-start; }
  .vault-heading .btn { padding-inline: .65rem; font-size: .75rem; }
  .vault-toolbar { flex-direction: column; }
  .category-select { width: 100%; }
  .vault-summary { align-items: flex-start; }
  .summary-secure { max-width: 9rem; }
  .summary-secure div span { display: none; }
  .password-input-row { flex-wrap: wrap; }
  .password-input-row .input { flex-basis: 100%; }
  .backup-actions { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  .entry-card { transition: none; }
  .entry-card:hover { transform: none; }
}

/* Keep screen switching reliable even when component styles define display. */
[hidden] { display: none !important; }