:root{--navy:#132d39;--teal:#086c67;--ink:#173341;--muted:#627784;--line:#dce5e8;--bg:#f3f6f7;--white:#fff;font-family:Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.55}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,.button{border:0;border-radius:7px;background:var(--teal);color:#fff;padding:11px 18px;font-weight:600;cursor:pointer;display:inline-block}button:hover,.button:hover{background:#075752;text-decoration:none}.secondary{background:#e9f0f2;color:var(--ink)}.danger{background:#a53740}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:var(--navy);color:#dfe9ec;padding:30px 22px;overflow-y:auto}.sidebar>a{display:block;padding:9px 12px;color:#e3edf0;border-radius:5px}.sidebar>a:hover{background:#254550;text-decoration:none}.sidebar .brand{display:flex;gap:12px;align-items:center;font-size:38px;font-weight:800;padding:0 8px 30px}.brand span{font-size:17px;letter-spacing:1px}.brand small{display:block;font-size:10px;letter-spacing:3px;font-weight:400}.nav-label{font-size:10px;letter-spacing:1.8px;color:#8ca7b2;margin:25px 12px 6px}.sidebar-foot{margin:36px 12px 0;font-size:12px;letter-spacing:1.5px}.sidebar-foot small{display:block;font-size:10px;letter-spacing:0;color:#8ca7b2}.workspace{margin-left:245px}.topbar{display:flex;justify-content:space-between;align-items:center;background:white;border-bottom:1px solid var(--line);padding:17px 34px;gap:20px}main{max-width:1600px;padding:32px;margin:auto}.guest{min-height:100vh;background:linear-gradient(120deg,#173847,#dcebe8)}.guest main{padding:65px 20px}.login-card{max-width:480px;margin:auto;background:white;padding:42px;border-radius:16px;box-shadow:0 20px 80px #0002}.login-card h1{font-size:34px}.login-card button{width:100%}h1{font-size:30px;line-height:1.2;margin:8px 0 12px;letter-spacing:-.8px}h2{font-size:20px;margin:0 0 12px}p{margin:8px 0 20px;color:var(--muted)}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.heading p{margin-bottom:0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--teal)}.panel{background:white;border:1px solid var(--line);padding:24px;border-radius:10px;margin-bottom:22px}.hero{padding:34px;background:#dfece8;border-radius:12px;margin-bottom:24px}.hero h1{font-size:42px}.hero p{margin-bottom:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.feature{color:var(--ink);display:block}.feature:hover{border-color:var(--teal);text-decoration:none}.feature span{font-size:10px;letter-spacing:1.6px;color:var(--muted)}.feature h2{margin:20px 0 12px}.feature b{color:var(--teal)}.totals strong{display:block;font-size:24px;margin-top:8px}.totals span{color:var(--muted)}.filters{display:flex;align-items:end;gap:16px;flex-wrap:wrap}.filters label{margin:0;flex:1;min-width:130px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}label{display:block;font-weight:600;margin-bottom:18px}input,select,textarea{display:block;width:100%;border:1px solid #c7d5db;padding:10px 12px;border-radius:6px;background:#fff;color:var(--ink);margin-top:6px}input:focus,select:focus,textarea:focus{outline:2px solid #6dbcb5;outline-offset:1px}.check{display:flex;gap:9px;align-items:center;font-weight:400}.check input{width:auto;margin:0}.filters .check{padding-bottom:11px}.actions{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.actions form{margin:0}.narrow{max-width:700px}.notice{background:#e0eee8;color:#235947;border:1px solid #c2dfd1;padding:13px 18px;border-radius:7px;margin-bottom:22px}.muted{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;font-size:11px;letter-spacing:.3px;color:#607781;background:#f2f6f7;white-space:nowrap}td,th{padding:14px 12px;border-bottom:1px solid #e6ecee;vertical-align:top}tbody tr:hover{background:#f8fafb}.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.badge{font-size:10px;background:#e9f0f1;border-radius:12px;padding:4px 9px}.empty{text-align:center;padding:45px}.validation{color:#a62c3c}.validation ul{padding-left:20px}.validation:empty{display:none}.voided{color:#8c777b;background:#fff6f7}.voided td:first-child:after{content:' · İPTAL';font-size:9px}details{min-width:90px}details[open]{min-width:220px}.permissions{display:grid;grid-template-columns:1fr 1fr;gap:3px 25px;padding:20px;background:#f5f8f9;border-radius:8px;margin-bottom:20px}.role-row{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}.audit-detail{min-width:300px;max-width:650px;overflow-wrap:anywhere}table input,table select{min-width:120px}.table-wrap button{margin-top:12px}
@media(max-width:1000px){.sidebar{width:210px;padding:25px 12px}.workspace{margin-left:210px}.cards{grid-template-columns:1fr}main{padding:22px}.topbar{padding:15px 22px;flex-wrap:wrap}}
@media(max-width:680px){.sidebar{position:static;width:100%;padding:15px;max-height:280px}.sidebar .brand{padding-bottom:5px}.sidebar-foot{display:none}.workspace{margin-left:0}.form-grid,.permissions{grid-template-columns:1fr}.heading{align-items:start;flex-direction:column}.hero h1{font-size:32px}h1{font-size:26px}.panel{padding:16px}.topbar{font-size:12px}}
@media print{.no-print,.sidebar,.topbar{display:none!important}.workspace{margin:0}main{padding:0;max-width:none}body{background:white;font-size:10pt}.panel{border:0;padding:0}.table-wrap{overflow:visible}table{font-size:9pt}td,th{padding:6px}thead{display:table-header-group}tr{break-inside:avoid}h1{font-size:20pt}@page{size:A4 landscape;margin:12mm}}

/* Orijinal logo en-boy oranı korunarak kullanılır. */
.sidebar .brand{display:block;padding:8px;background:#fff;border-radius:8px;margin-bottom:24px}
.sidebar .brand:hover{background:#fff}
.brand img{display:block;width:100%;height:auto}
.login-logo{display:block;width:229px;max-width:100%;height:auto;margin:0 0 24px}
.report-logo{display:block;width:229px;max-width:100%;height:auto;margin:0 0 18px}
@media print{.report-logo{width:190px;margin-bottom:12px}}

/* Cari tahsilat dashboard */
.collection-dashboard{margin:4px 0 24px}.summary-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:0 0 12px}.summary-heading h2{margin:4px 0 0}.summary-rate{background:#e8f3f1;border:1px solid #c9e2de;border-radius:999px;padding:8px 14px;color:#355c59}.summary-rate strong{color:#086c67;font-size:16px}.collection-cards{margin-bottom:14px}.collection-cards .panel{margin-bottom:0}.metric-card{position:relative;overflow:hidden;border-left:5px solid #78909c}.metric-card span{color:#5e7079}.metric-card strong{display:block;font-size:25px;margin:7px 0 2px;font-variant-numeric:tabular-nums}.metric-card small{display:block;color:#73868f;margin-top:5px}.metric-receivable{background:#fff8f0;border-left-color:#c57927}.metric-receivable strong{color:#8a4e12}.metric-collected{background:#f0faf5;border-left-color:#27845c}.metric-collected strong{color:#176743}.metric-remaining{background:#fff3f3;border-left-color:#b64a50}.metric-remaining strong{color:#96333a}.annual-cards .metric-card{background:#f7fafb}.metric-year{border-left-color:#526f7d}.metric-year-collected{border-left-color:#27845c}.metric-year-remaining{border-left-color:#b16d35}.balance-cards .panel{margin-bottom:0}.balance-debt{background:#fff1f1;border-color:#efcaca}.balance-debt strong{color:#a2343d}.balance-credit{background:#eff9f4;border-color:#c8e7d8}.balance-credit strong{color:#23704f}.balance-net{background:#f1f6f8;border-color:#d3e0e5}.row-debtor{background:#fffafa}.row-debtor:hover{background:#fff2f2}.row-creditor{background:#f9fdfb}.row-creditor:hover{background:#f0faf5}.balance-value{font-weight:700}.balance-value.is-debt{color:#a2343d}.balance-value.is-credit{color:#23704f}
@media(max-width:680px){.summary-heading{align-items:start;flex-direction:column}.summary-rate{align-self:flex-start}}
.monthly-breakdown{margin-top:14px}.monthly-title{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:12px}.monthly-title span{color:#71838c;font-size:13px}.compact-monthly{padding:0}.compact-monthly table{margin:0}.compact-monthly a{font-weight:700}.collected-text{color:#23704f;font-weight:700}.remaining-text{color:#a2343d;font-weight:700}.filters select{width:100%;min-width:150px;padding:11px 12px;border:1px solid #cbd8de;border-radius:7px;background:#fff;color:#17313d}
@media(max-width:680px){.monthly-title{align-items:flex-start;flex-direction:column}}

/* V4.3 responsive: masaüstü görünümü korunur, telefon/tablet dokunmatik kullanım iyileşir. */
.mobile-menu-toggle,.mobile-shade{display:none}
.topbar-title{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-title>span{overflow-wrap:anywhere}
.table-wrap{max-width:100%;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain}
.table-wrap table{min-width:max-content}
.table-wrap:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.panel,.hero,.cards,.collection-dashboard,.workspace,main{min-width:0}
@media(max-width:800px){
  .sidebar{position:fixed;top:0;bottom:0;left:0;right:auto;width:min(290px,85vw);max-height:none;padding:20px 16px;z-index:1100;transform:translateX(-105%);transition:transform .2s ease;box-shadow:4px 0 20px #0002}
  .sidebar .brand{margin-bottom:12px;padding:8px}
  .sidebar-foot{display:block}
  .workspace{margin-left:0}
  .mobile-menu-toggle{display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;padding:0;border-radius:9px;background:#e9f0f2;color:var(--navy);font-size:25px}
  .mobile-shade{display:block;position:fixed;inset:0;background:#10232ca8;z-index:1090;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
  .mobile-nav-open .sidebar{transform:translateX(0)}
  .mobile-nav-open .mobile-shade{opacity:1;visibility:visible}
  .mobile-nav-open{overflow:hidden}
  .topbar{padding:10px 16px;gap:8px}
  .topbar>.actions{justify-content:flex-end;gap:9px}
  main{padding:18px 14px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .panel{padding:18px;margin-bottom:14px}
  .filters{gap:10px}
  .filters label{min-width:min(170px,100%)}
  .form-grid{gap:0 14px}
  .table-wrap{overflow-x:auto}
  .table-wrap table{font-size:13px}
  .table-wrap th,.table-wrap td{padding:12px 10px}
  button,.button,input,select,textarea{min-height:44px}
  .check input{min-height:initial;width:20px;height:20px;flex:none}
  .heading{gap:10px}
}
@media(max-width:560px){
  .topbar{align-items:flex-start;flex-direction:column}
  .topbar>.actions{width:100%;justify-content:space-between;font-size:12px}
  .topbar>.actions button{padding:8px 12px;min-height:40px}
  .cards{grid-template-columns:1fr}
  .form-grid,.permissions{grid-template-columns:1fr}
  .hero{padding:22px 18px}
  .hero h1{font-size:30px}
  .heading{align-items:stretch;flex-direction:column}
  .heading .actions{width:100%}
  .heading .actions>a,.heading .actions>button{flex:1;text-align:center}
  h1{font-size:25px}
  .panel{padding:14px}
  .login-card{padding:24px 18px}
  .guest main{padding:28px 12px}
  .filters{align-items:stretch;flex-direction:column}
  .filters label,.filters select{width:100%;min-width:0}
  .filters button,.filters .button{width:100%}
  .actions{gap:8px}
  .metric-card strong{font-size:22px;overflow-wrap:anywhere}
  .monthly-title,.summary-heading{align-items:flex-start;flex-direction:column}
  .table-wrap{margin-left:0;margin-right:0}
}
@media(prefers-reduced-motion:reduce){.sidebar,.mobile-shade{transition:none}}
@media print{.mobile-menu-toggle,.mobile-shade{display:none!important}.table-wrap table{min-width:0}}