:root{--navy:#17243d;--navy2:#223351;--bg:#f4f6fa;--ink:#172033;--muted:#697386;--line:#e4e8ef;--primary:#3867e8;--green:#1d9a6c;--orange:#ec8a31;--purple:#835bd6;--red:#d64c57;--white:#fff;--radius:14px;--shadow:0 8px 30px rgba(23,32,51,.06)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:14px}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:var(--navy);color:#fff;padding:28px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;font-size:20px;font-weight:750;padding:0 10px}.brand span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#5e89ff,#2f5bd5)}.sidebar nav{display:flex;flex-direction:column;gap:6px;margin-top:40px}.sidebar nav a{color:#bdc8da;text-decoration:none;padding:12px 14px;border-radius:9px;font-weight:600}.sidebar nav a:hover,.sidebar nav a.active{background:var(--navy2);color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid #30405d;padding:20px 12px 0;display:flex;flex-direction:column;gap:3px}.sidebar-user small{color:#aeb9ca;overflow:hidden;text-overflow:ellipsis}.link-button{border:0;background:none;color:#91adff;padding:8px 0 0;cursor:pointer}.content{margin-left:245px;min-height:100vh;padding:28px 38px 55px}.guest-content{margin:0;padding:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.topbar small,.section-heading p,.panel-title p{color:var(--muted)}h1,h2,p{margin-top:0}.topbar h1{font-size:27px;margin:2px 0 0}.today{background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:9px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:0 0 20px}.section-heading h2,.panel-title h2{font-size:18px;margin-bottom:5px}.section-heading p,.panel-title p{margin-bottom:0}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:10px 16px;text-decoration:none;font-weight:650;cursor:pointer}.button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.button.ghost{background:transparent}.button.small{padding:8px 12px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:22px}.stats.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.stat{background:#fff;border-radius:var(--radius);padding:20px;border-left:4px solid;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}.stat small,.stat span{color:var(--muted)}.stat strong{font-size:22px}.stat.green{border-color:var(--green)}.stat.orange{border-color:var(--orange)}.stat.blue{border-color:var(--primary)}.stat.purple{border-color:var(--purple)}.stat.red{border-color:var(--red)}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-title{padding:20px 22px;border-bottom:1px solid var(--line)}.panel-title h2{margin-bottom:3px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafbfc}.right{text-align:right}.table-link{color:var(--primary);font-weight:650;text-decoration:none}.badge{display:inline-flex;padding:5px 9px;border-radius:20px;font-size:12px;font-weight:700}.badge.paid{color:#187956;background:#e6f6ef}.badge.pending{color:#a65a17;background:#fff1e4}.badge.neutral{color:#647084;background:#edf0f4}.empty{text-align:center;padding:45px 20px;color:var(--muted)}.empty strong{color:var(--ink);display:block;font-size:16px}.empty .button{margin-top:10px}.alert{margin-bottom:20px;padding:13px 16px;border-radius:10px}.alert.success{background:#e8f7ef;color:#176e4e}.alert.error{background:#fff0f1;color:#9d3039}.alert ul{margin-bottom:0}.form-panel{max-width:850px;padding:25px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-stack{display:flex;flex-direction:column;gap:16px}label{display:flex;flex-direction:column;gap:7px;font-weight:650}label small{color:var(--muted);font-weight:400}input,select,textarea{width:100%;border:1px solid #d8dee8;background:#fff;color:var(--ink);border-radius:8px;padding:11px 12px;font:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:#7394ed;box-shadow:0 0 0 3px #e7edff}.check{flex-direction:row;align-items:center;font-weight:500}.check input{width:auto}.full,.form-actions{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:5px}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#e7edff,transparent 35%),var(--bg);padding:25px}.login-card{width:min(430px,100%);background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(23,36,61,.14);padding:40px}.login-brand{color:var(--navy);padding:0;margin-bottom:32px}.login-card h1{margin-bottom:8px}.login-card>p{color:var(--muted);margin-bottom:28px;line-height:1.55}.month-toolbar{display:flex;align-items:flex-end;justify-content:center;gap:12px;margin:-5px 0 24px}.month-toolbar form label{font-size:12px;color:var(--muted)}.month-toolbar input{font-size:16px;font-weight:700}.month-arrow{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;text-decoration:none;font-size:26px;color:var(--ink)}.month-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}.add-bill{padding-bottom:22px}.add-bill .form-stack{padding:20px 22px}.hint{padding:0 22px;color:var(--muted)}.hint a{color:var(--primary)}.bill-row{border-bottom:1px solid var(--line)}.bill-row summary{display:flex;align-items:center;gap:12px;padding:17px 20px;cursor:pointer;list-style:none}.bill-row summary::-webkit-details-marker{display:none}.status-dot{width:10px;height:10px;border:2px solid var(--orange);border-radius:50%}.status-dot.done{border-color:var(--green);background:var(--green)}.bill-main{display:flex;flex-direction:column;gap:3px;flex:1}.bill-main small{color:var(--muted)}.bill-value{min-width:120px;text-align:right}.inline-edit{background:#f8f9fb;border-top:1px solid var(--line);padding:18px 20px;display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px;align-items:end}.inline-edit .full{grid-column:1/-1}.paid-check{height:42px}.delete-form{background:#f8f9fb;padding:0 20px 16px;text-align:right}.danger-link{border:0;background:none;color:var(--red);cursor:pointer}.salary-panel{margin-top:20px}.salary-chips{display:flex;gap:12px;flex-wrap:wrap;padding:18px 22px}.salary-chips span{display:flex;flex-direction:column;background:#f3f6fb;border-radius:9px;padding:10px 14px;min-width:150px}.salary-chips small{color:var(--muted)}
@media(max-width:1000px){.stats{grid-template-columns:1fr 1fr}.month-layout{grid-template-columns:1fr}.add-bill{order:-1}}
@media(max-width:720px){.sidebar{position:static;width:auto;padding:16px}.sidebar nav{margin-top:18px;flex-direction:row;overflow:auto}.sidebar-user{display:none}.content{margin:0;padding:20px 15px}.stats,.stats.compact,.form-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;gap:15px}.inline-edit{grid-template-columns:1fr}.inline-edit .full{grid-column:auto}.bill-row summary{flex-wrap:wrap}.bill-main{min-width:60%}.login-card{padding:28px 24px}}
.month-selector{width:min(100%,480px);margin-left:auto;margin-right:auto;padding:6px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);align-items:stretch}.month-selector form{flex:1;min-width:0}.month-selector label{height:100%;gap:1px;padding:3px 8px;text-align:center}.month-selector label span{color:var(--muted);font-size:11px;font-weight:600}.month-selector input{height:34px;min-height:34px;padding:2px 8px;border:0;background:transparent;text-align:center;font-weight:750}.month-selector input:focus{border:0;box-shadow:none}.month-selector .month-arrow{height:auto;min-height:48px;border:0;background:#f3f6fb}.month-selector .month-arrow:hover{background:#e8eef9;color:var(--primary)}