:root{--green:#1a6e3c;--green-mid:#8fc4a3;--green-light:#eaf5ee;--red:#c0392b;--text:#1f2a24;--text2:#5b6b62;--border:#d6ddd8;--card:#fff;--bg:#f4f6f4;--on-green:#fff;color:var(--text);background:var(--bg);font-family:Hiragino Sans,Yu Gothic,Noto Sans JP,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--green:#5cc08a;--green-mid:#2f6b4a;--green-light:#183626;--red:#ff7b6e;--text:#e8eee9;--text2:#9fb0a6;--border:#2e3832;--card:#1b211d;--bg:#121613;--on-green:#0d1f14}}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}.brand{color:var(--green);margin:0;font-size:20px;font-weight:700}.muted{color:var(--text2)}.small{font-size:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}.auth-wrap{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.auth-card{flex-direction:column;gap:12px;width:100%;max-width:380px;display:flex}.field{color:var(--text2);flex-direction:column;gap:6px;font-size:13px;display:flex}.field input{font:inherit;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:10px 12px;font-size:16px}.field input:focus{outline:2px solid var(--green-mid);border-color:var(--green)}.btn-primary{font:inherit;background:var(--green);color:var(--on-green);cursor:pointer;border:none;border-radius:10px;padding:12px;font-size:15px;font-weight:600}.btn-primary:disabled{opacity:.5;cursor:default}.btn-ghost{font:inherit;border:1px solid var(--border);color:var(--text2);cursor:pointer;background:0 0;border-radius:8px;padding:6px 12px;font-size:13px}.error{color:var(--red);background:color-mix(in srgb, var(--red) 10%, 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9px}.chip-warn.chip-on{background:var(--red);border-color:var(--red);color:#fff}.train-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.train-row select{font:inherit;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:6px 8px;font-size:16px}.stepper{align-items:center;gap:4px;display:inline-flex}.stepper input{width:72px;font:inherit;text-align:center;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:6px 8px;font-size:16px}.stepper input:disabled,.train-row select:disabled{opacity:.4}.stepper .btn-ghost{padding:6px 12px;font-size:16px}