:root{--bg: #fff8f0;--surface: #ffffff;--accent: #ff8a5b;--accent-dark: #f5734a;--ok: #4fb477;--warn-text: #b9791a;--warn-accent: #f4a62a;--warn-bg: #fff3d6;--text: #4a4039;--text-soft: #8a7f76;--border: #f0e3d6;--radius: 16px;--radius-sm: 12px;--gap: 16px;--tap: 44px;--shadow: 0 4px 16px rgba(74, 64, 57, .08);--shadow-sm: 0 2px 8px rgba(74, 64, 57, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:"M PLUS Rounded 1c",system-ui,Hiragino Maru Gothic ProN,Yu Gothic UI,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app-shell{max-width:720px;margin:0 auto;padding:var(--gap);display:flex;flex-direction:column;gap:var(--gap)}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.app-title{font-size:1.4rem;font-weight:700;margin:0;display:flex;align-items:center;gap:8px}.app-subtitle{margin:0;color:var(--text-soft);font-size:.9rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--gap);display:flex;flex-direction:column;gap:12px}.card h2{margin:0;font-size:1.1rem;font-weight:700}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:.9rem;font-weight:500;color:var(--text)}.input,.select{min-height:var(--tap);padding:10px 14px;font-size:1rem;font-family:inherit;color:var(--text);background:#fffdfb;border:2px solid var(--border);border-radius:var(--radius-sm);width:100%}.input:focus,.select:focus{outline:none;border-color:var(--accent)}.input.invalid{border-color:#e06a4b;background:#fff2ee}.btn{min-height:var(--tap);padding:10px 18px;font-size:1rem;font-family:inherit;font-weight:700;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:transform .05s ease,background-color .15s ease,opacity .15s ease}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-dark)}.btn-ghost{background:#fff;color:var(--accent-dark);border:2px solid var(--accent)}.btn-soft{background:#fdece4;color:var(--accent-dark)}.btn-quiet{background:transparent;color:var(--text-soft);min-height:36px;padding:6px 12px;font-weight:500}.btn-small{min-height:40px;padding:8px 14px;font-size:.95rem}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.notice{border-radius:var(--radius-sm);padding:12px 14px;font-size:.95rem}.notice-error{background:#fdecea;color:#b23b26}.notice-info{background:#eaf6ef;color:#2f7d52}.notice-warn{background:var(--warn-bg);color:var(--warn-text)}.tabs{display:flex;gap:8px;background:#f6ece2;padding:4px;border-radius:var(--radius-sm)}.tab{flex:1;min-height:40px;border:none;background:transparent;border-radius:10px;font-family:inherit;font-size:.98rem;font-weight:700;color:var(--text-soft);cursor:pointer}.tab.active{background:#fff;color:var(--accent-dark);box-shadow:var(--shadow-sm)}.inventory{display:flex;flex-direction:column;gap:12px}.category-block{border:2px solid var(--border);border-radius:var(--radius);padding:12px 14px;display:flex;flex-direction:column;gap:8px}.category-block.low{border-color:var(--warn-accent);background:var(--warn-bg)}.category-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.category-name{font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:8px}.count-badge{display:inline-flex;align-items:baseline;gap:3px;background:#eef7f1;color:#2f7d52;border-radius:999px;padding:4px 12px;font-weight:700}.category-block.low .count-badge{background:#ffe7b8;color:var(--warn-text)}.count-badge .num{font-size:1.15rem}.low-flag{display:inline-flex;align-items:center;gap:4px;color:var(--warn-text);font-weight:700;font-size:.9rem}.item-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.item-row{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fffdfb;border-radius:var(--radius-sm);padding:8px 10px 8px 14px}.category-block.low .item-row{background:#fffaf0}.item-name{font-size:1rem;word-break:break-word}.item-actions{display:flex;gap:6px;flex-shrink:0}.empty-hint{color:var(--text-soft);font-size:.9rem;margin:0}.summary-line{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.total-pill{font-weight:700}.centered{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--gap)}.auth-card{width:100%;max-width:420px}.auth-switch{display:flex;gap:8px;margin-bottom:4px}.join-code{font-size:1.5rem;font-weight:700;letter-spacing:4px;color:var(--accent-dark);background:#fff3ec;border-radius:var(--radius-sm);padding:10px 16px;text-align:center}.muted{color:var(--text-soft);font-size:.9rem}.spinner-line{text-align:center;color:var(--text-soft);padding:40px 0}@media(max-width:420px){.app-title{font-size:1.25rem}.item-row{flex-wrap:wrap}.item-actions{width:100%;justify-content:flex-end}}