:root{--color-danger: #e53935;--color-warning: #fb8c00;--color-ok: #43a047;--bg: var(--tg-theme-bg-color, #ffffff);--text: var(--tg-theme-text-color, #1a1a1a);--hint: var(--tg-theme-hint-color, #888);--link: var(--tg-theme-link-color, #2563eb);--btn-bg: var(--tg-theme-button-color, #2563eb);--btn-text: var(--tg-theme-button-text-color, #ffffff);--secondary-bg: var(--tg-theme-secondary-bg-color, #f3f4f6);--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app{max-width:480px;margin:0 auto;padding-bottom:80px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--secondary-bg);position:sticky;top:0;background:var(--bg);z-index:10}.app-title{font-size:18px;font-weight:700}.btn-icon{background:none;border:none;font-size:22px;cursor:pointer;padding:4px}.items-list{padding:12px 12px 0;display:flex;flex-direction:column;gap:10px}.item-card{background:var(--secondary-bg);border-radius:var(--radius);padding:14px;border-left:4px solid var(--color-ok);transition:border-color .2s}.item-card.low{border-left-color:var(--color-warning)}.item-card.urgent{border-left-color:var(--color-danger)}.item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.item-name{font-size:16px;font-weight:600}.btn-delete{background:none;border:none;color:var(--hint);font-size:16px;cursor:pointer;padding:2px 6px;border-radius:6px;line-height:1}.btn-delete:hover{color:var(--color-danger)}.item-remaining-label{font-size:13px;color:var(--hint);margin-bottom:6px}.progress-track{height:8px;background:#0000001a;border-radius:99px;overflow:hidden;margin-bottom:10px}.progress-fill{height:100%;border-radius:99px;transition:width .3s ease,background .3s ease}.item-steps{display:flex;gap:4px;flex-wrap:wrap}.step-btn{flex:1;min-width:28px;padding:4px 0;border:1px solid rgba(0,0,0,.12);border-radius:6px;background:var(--bg);color:var(--text);font-size:11px;cursor:pointer;transition:background .15s}.step-btn.active{background:var(--btn-bg);color:var(--btn-text);border-color:var(--btn-bg);font-weight:700}.step-btn:hover:not(.active){background:#0000000f}.fab{position:fixed;bottom:24px;right:20px;width:56px;height:56px;border-radius:50%;background:var(--btn-bg);color:var(--btn-text);font-size:28px;border:none;cursor:pointer;box-shadow:0 4px 16px #0003;display:flex;align-items:center;justify-content:center;z-index:20}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-end;z-index:30}.modal{background:var(--bg);width:100%;border-radius:var(--radius) var(--radius) 0 0;padding:24px 20px 40px}.modal h2{margin-bottom:16px;font-size:18px}.modal input{width:100%;padding:12px;border:1px solid rgba(0,0,0,.15);border-radius:8px;font-size:16px;background:var(--secondary-bg);color:var(--text);margin-bottom:12px}.modal-actions{display:flex;gap:10px}.btn-primary{flex:1;padding:12px;background:var(--btn-bg);color:var(--btn-text);border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{flex:1;padding:12px;background:var(--secondary-bg);color:var(--text);border:none;border-radius:8px;font-size:16px;cursor:pointer}.invite-section{margin-bottom:16px}.invite-section p{font-size:14px;color:var(--hint);margin-bottom:10px}.invite-code-row{display:flex;align-items:center;gap:10px}.invite-code{font-size:24px;font-weight:700;letter-spacing:4px;color:var(--link)}.divider{text-align:center;color:var(--hint);font-size:13px;margin:16px 0;position:relative}.divider:before,.divider:after{content:"";position:absolute;top:50%;width:42%;height:1px;background:#0000001a}.divider:before{left:0}.divider:after{right:0}.empty-state{text-align:center;padding:60px 20px;color:var(--hint)}.empty-icon{font-size:48px;margin-bottom:12px}.empty-hint{font-size:14px;margin-top:6px}.error{color:var(--color-danger);font-size:13px;margin-bottom:8px}.loader{display:flex;align-items:center;justify-content:center;height:100vh;font-size:16px;color:var(--hint)}