:root{--bg:#f4f6f8;--card:#fff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--green:#20c997;--green-dark:#0f9f78;--nav:#111827;--danger:#ef4444;--shadow:0 12px 35px rgba(17,24,39,.08)}
*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:Manrope,sans-serif;min-height:100vh}.app-shell{width:100%;max-width:520px;min-height:100vh;margin:auto;background:var(--bg);position:relative;padding-bottom:92px}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:var(--nav);color:#fff;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:18px;font-weight:700}.brand b{color:var(--green)}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:rgba(32,201,151,.15);color:var(--green)}.icon-button{width:38px;height:38px;display:grid;place-items:center;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.12);border-radius:12px}.content{padding:18px 14px 30px}.page-heading{margin:3px 2px 17px}.page-heading p{text-transform:uppercase;letter-spacing:.12em;color:var(--green-dark);font-size:9px;font-weight:800}.page-heading h1{font-size:23px;line-height:1.2;margin-top:4px}.alert{padding:13px 15px;margin:14px;border-radius:13px;font-size:12px;font-weight:700}.content>.alert{margin:0 0 14px}.alert.success{background:#dff8ef;color:#087456}.alert.error{background:#fee2e2;color:#b91c1c}.alert a{color:inherit}.btn{min-height:48px;border:0;border-radius:14px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;font:800 12px Manrope;cursor:pointer}.btn.primary{background:var(--green);color:#062d23}.btn.primary:hover{background:#27d9a5}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:#fee2e2;color:#b91c1c}.btn.full{width:100%}.btn.large{min-height:56px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.spaced{margin-top:14px}.hidden{display:none!important}
.hero{padding:30px 23px;border-radius:24px;background:linear-gradient(145deg,#111827,#1f2937);color:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:'';position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(32,201,151,.14);right:-75px;top:-50px}.hero-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:17px;background:var(--green);color:#063a2c;font-size:22px;margin-bottom:20px}.pill{display:inline-block;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--green)}.hero h2{font-size:28px;line-height:1.15;margin:10px 0}.hero p{color:#cbd5e1;font-size:12px;line-height:1.7}.hero-actions{display:grid;gap:9px;margin-top:22px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.feature-grid article{background:#fff;padding:14px 10px;border-radius:16px;border:1px solid var(--line)}.feature-grid i{color:var(--green-dark);font-size:17px}.feature-grid h3{font-size:10px;margin:10px 0 4px}.feature-grid p{font-size:8px;color:var(--muted);line-height:1.4}
.auth-card,.panel,.list-card,.history-card{background:var(--card);border:1px solid var(--line);border-radius:19px;box-shadow:0 7px 22px rgba(17,24,39,.04)}.auth-card{padding:20px}.form-stack{display:grid;gap:14px}.form-stack label,.form-grid label{display:grid;gap:7px;color:#374151;font-size:10px;font-weight:800}.form-stack input,.form-grid input,.form-grid select,.form-grid textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;padding:0 13px;background:#fafafa;color:var(--ink);outline:none;font:600 12px Manrope}.form-grid textarea{padding:12px;resize:vertical}.form-stack input:focus,.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(32,201,151,.1)}.auth-link{text-align:center;color:var(--muted);font-size:11px;margin-top:17px}.auth-link a{color:var(--green-dark);font-weight:800}
.welcome-card{background:linear-gradient(135deg,#172033,#111827);color:#fff;border-radius:20px;padding:21px;display:flex;justify-content:space-between;align-items:center}.welcome-card span{color:var(--green);font-size:9px;font-weight:800;text-transform:uppercase}.welcome-card h2{font-size:18px;margin:6px 0}.welcome-card p{font-size:9px;color:#aeb9c8}.round-action{width:47px;height:47px;display:grid;place-items:center;flex:0 0 auto;background:var(--green);color:#063a2c;text-decoration:none;border-radius:15px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:11px}.stats-grid article{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;overflow:hidden}.stats-grid article:nth-child(2){grid-column:auto}.stats-grid article:nth-child(3){grid-column:1/-1}.stats-grid span{display:block;color:var(--muted);font-size:9px}.stats-grid strong{display:block;font-size:17px;margin-top:7px}.stats-grid i{position:absolute;right:13px;top:14px;color:rgba(15,159,120,.25);font-size:21px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:22px 2px 10px}.section-title h2{font-size:14px}.section-title a{color:var(--green-dark);font-size:9px;font-weight:800}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.quick-grid a{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:15px;padding:14px 6px;text-decoration:none;text-align:center}.quick-grid i{display:block;color:var(--green-dark);font-size:18px}.quick-grid span{display:block;font-size:8px;font-weight:800;margin-top:8px}
.list-card{overflow:hidden}.list-row{display:flex;align-items:center;gap:11px;padding:13px;border-bottom:1px solid var(--line)}.list-row:last-child{border:0}.item-icon{width:41px;height:41px;display:grid;place-items:center;background:#e8faf4;color:var(--green-dark);border-radius:13px;flex:0 0 auto}.grow{flex:1;min-width:0}.grow strong,.right strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.grow small,.right small{display:block;color:var(--muted);font-size:8px;margin-top:4px}.right{text-align:right}.right small{color:var(--green-dark);font-weight:800}.delete-button{width:36px;height:36px;border:0;border-radius:11px;background:#fff1f2;color:#e11d48;cursor:pointer}.empty{text-align:center;padding:35px 15px;color:var(--muted)}.empty i{font-size:30px;color:#cbd5e1}.empty p{font-size:11px;margin:12px 0}.empty .btn{margin-top:5px}.panel{padding:16px;margin-top:13px}.panel h2{font-size:13px;margin-bottom:15px}.panel h2 span{display:inline-grid;place-items:center;width:25px;height:25px;background:#e8faf4;color:var(--green-dark);border-radius:8px;margin-right:7px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-grid .wide{grid-column:1/-1}
.calculator-form{display:grid;gap:0}.live-result{background:var(--nav);color:#fff;padding:19px;border-radius:18px;margin:13px 0;display:grid}.live-result span{font-size:9px;color:#9ca3af}.live-result strong{font-size:27px;color:var(--green);margin:5px 0}.live-result small{font-size:9px;color:#cbd5e1}
.history-list{display:grid;gap:11px}.history-card{padding:16px}.history-head{display:flex;justify-content:space-between;gap:10px}.history-head span{font-size:8px;color:var(--muted)}.history-head h2{font-size:15px;margin-top:3px}.history-tags{display:flex;gap:6px;margin-top:11px}.history-tags span{font-size:8px;padding:6px 8px;border-radius:999px;background:#f3f4f6;color:#4b5563}.price-comparison{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;background:#f8fafc;border-radius:14px;padding:12px;margin-top:12px}.price-comparison small{display:block;font-size:8px;color:var(--muted)}.price-comparison strong{display:block;font-size:14px;margin-top:4px}.price-comparison>i{font-size:10px;color:#9ca3af}.price-comparison .highlight strong{color:var(--green-dark)}.history-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:9px}.history-footer b{color:var(--green-dark)}.text-button{border:0;background:none;color:var(--green-dark);font:800 9px Manrope;cursor:pointer}.details{border-top:1px dashed var(--line);margin-top:12px;padding-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:7px}.details p{font-size:8px;color:var(--muted)}.details b{color:var(--ink)}.profile-card{display:flex;align-items:center;gap:13px;background:var(--nav);color:#fff;padding:18px;border-radius:18px}.avatar{width:50px;height:50px;display:grid;place-items:center;border-radius:15px;background:var(--green);color:#073b2d;font-size:20px;font-weight:800}.profile-card h2{font-size:15px}.profile-card p{font-size:9px;color:#aeb9c8;margin-top:4px}
.bottom-nav{position:fixed;z-index:30;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:520px;height:72px;padding:7px 9px calc(7px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(17,24,39,.07)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:#9ca3af;text-decoration:none;font-size:8px;font-weight:700}.bottom-nav i{font-size:17px}.bottom-nav a.active{color:var(--green-dark)}.bottom-nav .main-action i{width:44px;height:44px;display:grid;place-items:center;margin-top:-27px;border:5px solid var(--bg);border-radius:15px;background:var(--green);color:#063a2c}.bottom-nav .main-action span{margin-top:-2px}
@media(min-width:760px){body{background:#e9edf1}.app-shell{box-shadow:0 0 60px rgba(17,24,39,.12)}.content{padding:24px 22px 36px}.stats-grid{grid-template-columns:repeat(3,1fr)}.stats-grid article:nth-child(3){grid-column:auto}}