:root{color-scheme:light;--color-accent: #fca30c;--color-accent-hover: #e89200;--color-accent-text: #1a1200;--color-bg: #f4f4f5;--color-surface: #ffffff;--color-text: #18181b;--color-muted: #71717a;--color-border: #e4e4e7;--color-danger: #dc2626;--color-strength-weak: #ef4444;--color-strength-fair: #f97316;--color-strength-good: #84cc16;--color-strength-strong: #16a34a;--shadow: 0 4px 24px rgba(24, 24, 27, .08);--focus-ring: 0 0 0 3px rgba(252, 163, 12, .45)}:root[data-theme=dark]{color-scheme:dark;--color-accent: #fca30c;--color-accent-hover: #e89200;--color-accent-text: #1a1200;--color-bg: #18181b;--color-surface: #27272a;--color-text: #fafafa;--color-muted: #a1a1aa;--color-border: #3f3f46;--color-danger: #f87171;--color-strength-weak: #ef4444;--color-strength-fair: #f97316;--color-strength-good: #84cc16;--color-strength-strong: #16a34a;--shadow: 0 4px 24px rgb(0 0 0 / 45%);--focus-ring: 0 0 0 3px rgb(252 163 12 / 35%)}*,*:before,*:after{box-sizing:border-box}:root{--radius: 12px;--radius-sm: 8px;--font-mono: Consolas, Monaco, Courier New, monospace}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;color:var(--color-text);background:var(--color-bg);transition:background .2s ease,color .2s ease}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.app{width:100%;max-width:480px}.app__header{margin-bottom:0;padding-top:24px}@media(min-width:768px){.app__header{padding-top:0}}.app__theme-toggle{position:absolute;top:12px;right:12px}@media(min-width:768px){.app__theme-toggle{top:24px;right:24px}}.app__title{margin:0 0 .25rem;padding-right:2.75rem;font-size:1.75rem;font-weight:700;letter-spacing:-.02em;text-align:center}.app__subtitle{margin:0 0 1.5rem;color:var(--color-muted);font-size:.95rem;text-align:center}.app__footer{margin-top:1.25rem;text-align:center;font-size:.8125rem;color:var(--color-muted)}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--color-border);transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}.card__section+.card__section{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--color-border)}.field-label{display:block;font-weight:600;font-size:.875rem;margin-bottom:.5rem}.password-row{display:flex;gap:.5rem}.password-input{flex:1;min-width:0;font-family:var(--font-mono);font-size:1rem;padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);transition:background .2s ease,border-color .2s ease,color .2s ease}.password-input:focus-visible{outline:none;border-color:var(--color-accent);box-shadow:var(--focus-ring)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.625rem 1rem;font-size:.9375rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s,color .15s}.btn:focus-visible{outline:none;box-shadow:var(--focus-ring)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn--secondary:hover:not(:disabled){background:var(--color-bg)}.btn--primary{width:100%;background:var(--color-accent);color:var(--color-accent-text)}.btn--primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn--icon{min-height:40px;min-width:40px;padding:.5rem;background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn--icon:hover:not(:disabled){background:var(--color-bg);border-color:var(--color-accent)}.length-control{display:flex;align-items:center;gap:1rem}.length-control input[type=range]{flex:1;accent-color:var(--color-accent);height:6px}.length-value{min-width:2.5rem;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}.charset-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.toggle{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.9375rem;-webkit-user-select:none;user-select:none}.toggle input{width:1.125rem;height:1.125rem;accent-color:var(--color-accent);cursor:pointer}.validation-msg{margin:.75rem 0 0;font-size:.875rem;color:var(--color-danger)}.strength{margin-top:.75rem}.strength__header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.375rem;font-size:.8125rem}.strength__label{color:var(--color-muted)}.strength__value{font-weight:600}.strength__track{height:6px;border-radius:999px;background:var(--color-border);overflow:hidden}.strength__fill{height:100%;border-radius:999px;transition:width .2s ease,background .2s ease}.strength__fill--weak{background:var(--color-strength-weak)}.strength__fill--fair{background:var(--color-strength-fair)}.strength__fill--good{background:var(--color-strength-good)}.strength__fill--strong{background:var(--color-strength-strong)}.strength__hint{margin:.375rem 0 0;font-size:.8125rem;color:var(--color-muted)}.copy-status{min-height:1.25rem;margin-top:.5rem;font-size:.8125rem;color:var(--color-muted)}.copy-status--ok{color:var(--color-strength-strong);font-weight:600}.copy-status--error{color:var(--color-danger);font-weight:600}