:root{--dark-bg:#0a0a0a;--dark-surface:#1a1a1a;--dark-card:#2a2a2a;--green-accent:#0f8;--green-accent-2:#00cc6a;--text:#fff;--text-muted:#ccc;--phone-bg:#1a1a1a;--phone-screen:#000}*{box-sizing:border-box}body,html{padding:0;margin:0;height:100%;color:var(--text);background:linear-gradient(135deg,#0a0a0a,#1a1a1a);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;min-height:100vh;overflow-x:hidden}@media (min-width:768px){body,html{display:flex;justify-content:center;align-items:center}}.phone-container{width:100%;height:100vh;background:var(--phone-bg);border-radius:0;padding:0;box-shadow:none;position:relative}@media (min-width:768px){.phone-container{width:375px;height:812px;background:var(--phone-bg);border-radius:40px;padding:8px;box-shadow:0 20px 40px rgba(0,0,0,.3),0 0 0 1px hsla(0,0%,100%,.1);position:relative}}.phone-container:before{display:none}@media (min-width:768px){.phone-container:before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);width:134px;height:6px;background:#333;border-radius:3px;display:block}}.phone-screen{width:100%;height:100%;background:var(--phone-screen);border-radius:0;overflow:hidden;position:relative;display:flex;flex-direction:column}@media (min-width:768px){.phone-screen{border-radius:32px}}.app-container{height:100%;display:grid;grid-template-rows:auto 1fr auto;background:var(--dark-bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px}@media (min-width:768px){.topbar{padding:40px 24px 16px}}.points-display{color:var(--green-accent);font-size:16px;font-weight:600}.logo{width:40px;height:40px;background:var(--green-accent);color:var(--dark-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;box-shadow:0 4px 12px rgba(0,255,136,.3)}.logo.clickable{cursor:pointer;transition:all .2s}.logo.clickable:hover{transform:scale(1.1);box-shadow:0 6px 16px rgba(0,255,136,.4)}.logo.clickable:active{transform:scale(.95)}.content{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:20px;gap:24px;overflow-y:auto;flex:1 1}@media (min-width:768px){.content{padding:24px;gap:32px}}.app-title{font-size:28px;font-weight:900;color:var(--green-accent);text-align:center;letter-spacing:1px;text-shadow:0 0 20px rgba(0,255,136,.3)}@media (min-width:768px){.app-title{font-size:32px;letter-spacing:2px}}.card{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:16px;padding:24px 32px;text-align:center;box-shadow:0 10px 24px rgba(0,0,0,.3);width:100%;max-width:320px}@media (min-width:768px){.card{padding:32px 40px}}.points{font-size:44px;line-height:1.1;margin:8px 0 0;color:var(--green-accent)}@media (min-width:768px){.points{font-size:52px}}.label{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--text-muted)}.navigation{display:flex;justify-content:space-around;padding:12px 0;background:var(--dark-surface);border-top:1px solid hsla(0,0%,100%,.1)}@media (min-width:768px){.navigation{padding:16px 0}}.nav-button{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 8px;background:none;border:none;color:var(--text-muted);font-size:11px;cursor:pointer;transition:color .2s;border-radius:8px;text-decoration:none}@media (min-width:768px){.nav-button{padding:8px 12px;font-size:12px}}.nav-button.active,.nav-button:hover{color:var(--green-accent)}.nav-icon{width:24px;height:24px;background:currentColor;border-radius:4px;opacity:.7}.menu-container{width:100%;max-width:100%;display:flex;flex-direction:column;gap:12px}@media (min-width:768px){.menu-container{max-width:320px}}.menu-item{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;transition:all .2s}.menu-item:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.menu-name{color:var(--text);font-size:16px;font-weight:500}.menu-price{color:var(--green-accent);font-size:16px;font-weight:600}.sandwich-item{cursor:pointer;background:var(--dark-surface)}.sandwich-item:hover{background:var(--dark-card)}.sandwich-options{width:100%;max-width:320px;margin-top:20px;padding-bottom:20px}.sandwich-title,.variant-title{color:var(--green-accent);font-size:18px;font-weight:600;text-align:center;margin-bottom:16px}.size-options{display:flex;gap:12px;margin-bottom:24px}.size-button{flex:1 1;padding:12px 16px;background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:8px;color:var(--text);font-size:14px;cursor:pointer;transition:all .2s}.size-button.active,.size-button:hover{border-color:var(--green-accent)}.size-button.active{background:var(--green-accent);color:var(--dark-bg)}.variant-options{margin-bottom:20px}.variant-item{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:8px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.variant-name{color:var(--text);font-size:14px}.variant-price{color:var(--green-accent);font-size:14px;font-weight:600}.back-button{color:var(--text-muted)}.back-button:hover{color:var(--text)}.point-info{width:100%;max-width:100%;background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;margin-bottom:24px}@media (min-width:768px){.point-info{max-width:320px}}.point-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.point-item:last-child{margin-bottom:0}.point-name{color:var(--text-muted);font-size:14px}.point-value{color:var(--green-accent);font-size:14px;font-weight:600}.scan-container{width:100%;max-width:100%;display:flex;flex-direction:column;align-items:center;gap:24px}@media (min-width:768px){.scan-container{max-width:320px}}.scan-button{background:var(--green-accent);color:var(--dark-bg);border:none;border-radius:12px;padding:16px 32px;font-size:18px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px rgba(0,255,136,.3)}.scan-button:hover{background:var(--green-accent-2);transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,255,136,.4)}.scan-result{width:100%;max-width:320px;display:flex;flex-direction:column;align-items:center;gap:24px}.scan-success{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:16px;padding:32px 24px;text-align:center;width:100%}.scan-icon{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--dark-bg);font-size:24px;font-weight:700;margin:0 auto 16px}.scan-title{color:var(--green-accent);font-size:20px;font-weight:600;margin-bottom:8px}.scan-item{color:var(--text);font-size:16px;margin-bottom:8px}.scan-points{color:var(--green-accent);font-size:24px;font-weight:700}.scan-again-button{width:100%;padding:12px;background:var(--dark-surface);border:1px solid hsla(0,0%,100%,.2);border-radius:8px;color:var(--text);font-size:14px;cursor:pointer;transition:all .2s}.camera-container,.scan-again-button:hover{background:var(--dark-card)}.camera-container{width:100%;max-width:100%;position:relative;border-radius:12px;overflow:hidden}@media (min-width:768px){.camera-container{max-width:320px}}.camera-video{width:100%;height:300px;object-fit:cover;background:var(--dark-bg)}.scan-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.scan-frame{width:200px;height:200px;border:2px solid var(--green-accent);border-radius:12px;background:transparent;position:relative}.scan-frame:after,.scan-frame:before{content:"";position:absolute;width:20px;height:20px;border:3px solid var(--green-accent)}.scan-frame:before{top:-3px;left:-3px;border-right:none;border-bottom:none}.scan-frame:after{bottom:-3px;right:-3px;border-left:none;border-top:none}.scan-instructions{color:var(--text);font-size:16px;font-weight:500;text-align:center;margin-top:20px;background:rgba(0,0,0,.7);padding:8px 16px;border-radius:8px}.stop-scan-button{width:100%;padding:12px;background:#f44;border:none;border-radius:8px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:12px}.stop-scan-button:hover{background:#f66}.scan-error{background:var(--dark-card);border:1px solid #f44;border-radius:16px;padding:32px 24px;text-align:center;width:100%}.error-icon{font-size:48px;margin-bottom:16px}.error-message{color:#f44;font-size:16px;font-weight:500;margin-bottom:20px}.scan-id{color:var(--text-muted);font-size:12px;margin-top:8px}.points-animation{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-in-out}.animation-content{background:var(--dark-card);border:2px solid var(--green-accent);border-radius:20px;padding:40px 30px;text-align:center;box-shadow:0 20px 40px rgba(0,255,136,.3);animation:bounceIn .6s ease-out}.animation-icon{font-size:48px;font-weight:900;color:var(--green-accent);margin-bottom:12px;animation:pulse 1s ease-in-out infinite}.animation-text{font-size:18px;font-weight:600;color:var(--text);text-transform:uppercase;letter-spacing:1px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes bounceIn{0%{transform:scale(.3);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.profile-container{width:100%;max-width:100%;display:flex;flex-direction:column;gap:24px}@media (min-width:768px){.profile-container{max-width:320px}}.profile-card{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 10px 24px rgba(0,0,0,.3)}.profile-avatar{width:80px;height:80px;background:var(--green-accent);color:var(--dark-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;margin:0 auto 16px}.profile-name{color:var(--text);font-size:24px;font-weight:600;margin-bottom:8px}.profile-points{color:var(--green-accent);font-size:18px;font-weight:500}.settings-button{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .2s;width:100%}.settings-button:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.button-icon{font-size:20px}.button-text{color:var(--text);font-size:16px;font-weight:500}.logout-section{padding:16px 24px;background:var(--dark-surface);border-top:1px solid hsla(0,0%,100%,.1)}.logout-button{background:#f44;border:none;border-radius:8px;padding:12px 16px;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s;width:100%;justify-content:center}.logout-button:hover{background:#f66;transform:translateY(-1px)}.logout-icon{font-size:16px}.logout-text{color:#fff;font-size:14px;font-weight:600}.stats-button{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .2s;width:100%}.stats-button:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.stats-container{width:100%;max-width:100%;margin-top:20px}@media (min-width:768px){.stats-container{max-width:320px}}.stats-title{color:var(--green-accent);font-size:20px;font-weight:600;text-align:center;margin-bottom:20px}.stats-grid{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px}.stat-item{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:20px;text-align:center;transition:all .2s}.stat-item:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.stat-icon{font-size:24px;margin-bottom:8px}.stat-value{color:var(--green-accent);font-size:24px;font-weight:700;margin-bottom:4px}.stat-label{color:var(--text-muted);font-size:14px;font-weight:500}.back-button{width:100%;max-width:320px;padding:12px;background:var(--dark-surface);border:1px solid hsla(0,0%,100%,.2);border-radius:8px;color:var(--text);font-size:14px;cursor:pointer;transition:all .2s;margin-top:20px}.back-button:hover,.leaderboard-button{background:var(--dark-card)}.leaderboard-button{border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .2s;width:100%;max-width:320px;margin-top:20px;text-decoration:none;color:inherit}.leaderboard-button:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.friends-button{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .2s;width:100%;max-width:320px;margin-top:20px;margin-bottom:20px;text-decoration:none;color:inherit}.friends-button:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.leaderboard-container{width:100%;max-width:100%;margin-bottom:20px}@media (min-width:768px){.leaderboard-container{max-width:320px}}.leaderboard-title{color:var(--green-accent);font-size:20px;font-weight:600;text-align:center;margin-bottom:20px}.leaderboard-list{display:flex;flex-direction:column;gap:8px}.leaderboard-item{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:16px;transition:all .2s}.leaderboard-item:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.leaderboard-item.current-user{border-color:var(--green-accent);background:rgba(0,255,136,.1)}.rank{color:var(--green-accent);font-size:20px;font-weight:700;min-width:30px;text-align:center}.user-info{flex:1 1;display:flex;justify-content:space-between;align-items:center}.user-name{color:var(--text);font-size:16px;font-weight:500}.user-points{color:var(--green-accent);font-size:16px;font-weight:600}.friends-container{width:100%;max-width:100%;margin-bottom:20px}@media (min-width:768px){.friends-container{max-width:320px}}.friends-title{color:var(--green-accent);font-size:20px;font-weight:600;text-align:center;margin-bottom:20px}.friends-list{display:flex;flex-direction:column;gap:8px}.friends-item{background:var(--dark-card);border:1px solid rgba(0,255,136,.2);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:16px;transition:all .2s}.friends-item:hover{border-color:var(--green-accent);box-shadow:0 4px 12px rgba(0,255,136,.1)}.friends-item.current-user{border-color:var(--green-accent);background:rgba(0,255,136,.1)}