:root{
  --bg:#f3f7fc;--panel:#ffffff;--soft:#f7fbff;--line:#dce8f5;
  --text:#10223f;--muted:#75869a;--blue:#0d8bff;--blue2:#0b6bdb;
  --nav:#082b4c;--nav2:#061f38;--green:#18b96b;--orange:#ff9f1a;--red:#ef3152;
  --shadow:0 18px 42px rgba(8,35,70,.08);--radius:18px
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);font-family:"Segoe UI",Arial,sans-serif;color:var(--text);font-size:14px}
a{text-decoration:none;color:inherit}
input,select,textarea{width:100%;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 12px;color:#10223f;outline:none}
textarea{height:96px;padding:12px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:#87c6ff;box-shadow:0 0 0 3px rgba(13,139,255,.08)}
button,.btn{border:0;border-radius:7px;background:var(--blue);color:#fff;min-height:38px;padding:0 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn:hover,button:hover{filter:brightness(.97)}
.btn.green{background:var(--green)}.btn.orange{background:var(--orange)}.btn.red{background:var(--red)}.btn.dark{background:var(--nav)}.btn.gray{background:#5b6b7e}.btn.light{background:#eaf4ff;color:#0b6bdb}

/* ANA YAPI */
.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--nav),var(--nav2));color:#dce9f7;height:100vh;position:sticky;top:0;overflow:hidden;padding:14px}
.brand{height:92px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;justify-content:center;padding:0 16px;margin-bottom:12px}
.brand b{font-size:23px;color:#fff;white-space:nowrap}.brand span{font-size:12px;color:#adc1d8;margin-top:6px;font-weight:700}
.license-pill{height:30px;border-radius:8px;background:#0c3d68;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;padding:0 10px;font-size:12px;font-weight:800;margin-bottom:8px;color:#fff}
.nav{height:calc(100vh - 150px);overflow:hidden;padding-right:0}
.nav a{height:38px;border-radius:8px;margin:3px 0;padding:0 12px;display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:#dce9f7;font-size:13.5px}
.nav a .ico{width:18px;text-align:center;font-size:13px;opacity:.95}
.nav a:hover,.nav a.active{background:#1399f2;color:#fff}
.nav .sub{border-left:1px solid rgba(255,255,255,.16);margin:2px 0 8px 28px;padding-left:10px}
.nav .sub a{height:27px;margin:0;padding:0 4px;font-size:12px;color:#a9bed5;font-weight:700;background:transparent}
.nav .sub a:hover{color:#fff;background:transparent}
.footer-copy{position:absolute;bottom:12px;left:14px;right:14px;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px;color:#aec4dc;font-size:11px;font-weight:700}

.main{min-width:0}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:14px;position:sticky;top:0;z-index:20}
.menu-btn{width:42px;height:42px;border-radius:12px;background:#edf6ff;color:var(--blue);display:grid;place-items:center;font-size:22px;font-weight:900}
.search{display:flex;width:430px;max-width:42vw}.search input{border-radius:9px 0 0 9px;background:#fbfdff}.search button{border-radius:0 9px 9px 0;width:50px;background:#eaf4ff;color:var(--blue);min-height:42px}
.toplinks{margin-left:auto;display:flex;align-items:center;gap:18px;font-weight:800;font-size:13px;color:#1c3556}
.toplinks a:hover{color:var(--blue)}
.account{position:relative}.account button{background:#fff;color:#12284a;border:1px solid var(--line);border-radius:10px;box-shadow:none;min-height:42px}
.account-menu{display:none;position:absolute;right:0;top:50px;width:330px;background:#fff;border:1px solid var(--line);box-shadow:0 20px 55px rgba(0,0,0,.14);border-radius:14px;padding:9px;z-index:60}
.account-menu.show{display:block}.account-menu a{display:flex;align-items:center;gap:10px;height:42px;border-radius:9px;padding:0 12px;color:#65778d;font-weight:700}.account-menu a:hover{background:#eef7ff;color:var(--blue)}

.content{padding:22px 26px 34px}
.head{background:linear-gradient(120deg,#fff,#f5fbff,#e6f3ff);border:1px solid var(--line);border-radius:22px;min-height:110px;padding:25px 28px;margin-bottom:18px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}
.head h1{margin:0 0 8px;font-size:30px;letter-spacing:-.4px}.head p{margin:0;color:#64748b;font-weight:800}.head .badge{background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 13px;font-weight:900;color:#52677f}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
.card-title{font-size:22px;font-weight:900;margin:0 0 14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th{background:#f2f7fd;color:#15345a;font-size:13px;text-align:left;padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}.table td{padding:12px;border-bottom:1px solid #edf3fa;vertical-align:middle}.table tr:hover td{background:#fbfdff}
.kpi{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.kpi small{color:#718399;font-weight:800}.kpi b{display:block;margin-top:8px;font-size:29px}
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.module{border:1px solid var(--line);background:#fff;border-radius:18px;padding:18px;min-height:132px;display:flex;flex-direction:column;justify-content:space-between}.module:hover{box-shadow:0 16px 34px rgba(10,40,80,.1);transform:translateY(-1px)}.module .icon{width:44px;height:44px;border-radius:13px;background:#eaf5ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:20px}.module b{font-size:16px}.module span{font-size:12.5px;color:#718399;line-height:1.45}

/* SATIŞ EKRANI */
.pos-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.pos-toolbar{display:grid;grid-template-columns:120px 1fr 90px 90px 110px 120px;gap:8px;margin-bottom:12px}
.cart-table{height:360px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.pay-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pay-summary .amount{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px}.pay-summary label{display:block;font-size:12px;color:#64748b;font-weight:900}.pay-summary b{font-size:30px}
.pay-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.pay-buttons .btn{height:72px;border-radius:12px;font-size:15px}
.quick-products{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.quick-product{border:1px solid #d9e8f8;background:#f8fbff;border-radius:12px;min-height:92px;padding:12px;text-align:center;font-weight:900;color:#102a50}.quick-product small{display:block;color:#64748b;margin-top:4px}

/* PROFIL */
.profile-layout{display:grid;grid-template-columns:320px 1fr;gap:22px}
.profile-tabs{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.profile-tabs a{display:flex;align-items:center;gap:10px;height:42px;border-radius:8px;padding:0 12px;color:#53677f;font-weight:800}
.profile-tabs a.active,.profile-tabs a:hover{background:#0d8bff;color:#fff}
.profile-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.logo-box{display:grid;grid-template-columns:1fr 240px;gap:25px}.logo-preview{display:flex;flex-direction:column;align-items:center;justify-content:center}.logo-preview .fake-logo{width:150px;height:150px;border-radius:28px;background:#2687c6;color:#fff;font-size:86px;font-weight:900;display:grid;place-items:center;margin-bottom:16px}

/* ENTEGRASYON */
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}.tabs a{text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;font-weight:900}.tabs a.active{background:#0d8bff;color:#fff}
.integration-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.integration-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.integration-card .top{background:#e7f4ff;color:#0d73d7;font-weight:900;padding:16px;min-height:72px}.integration-card .body{padding:18px;line-height:1.55}.integration-card .foot{background:#e7f4ff;text-align:center;padding:12px}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(12,27,45,.55);display:none;align-items:center;justify-content:center;z-index:80}.modal.show{display:flex}.modal-box{background:#fff;width:min(860px,94vw);max-height:90vh;overflow:auto;border-radius:18px;padding:24px;box-shadow:0 28px 90px rgba(0,0,0,.25)}
@media(max-width:1200px){.grid-4,.module-grid,.integration-grid{grid-template-columns:repeat(2,1fr)}.pos-grid,.profile-layout,.logo-box{grid-template-columns:1fr}.pos-toolbar{grid-template-columns:1fr 1fr}.quick-products{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.app{grid-template-columns:80px 1fr}.brand b{font-size:0}.brand b:before{content:"W";font-size:26px}.brand span,.nav .txt,.nav .sub,.footer-copy{display:none}.sidebar{padding:10px}.nav a{justify-content:center}.content{padding:15px}.toplinks a,.toplinks span{display:none}.search{max-width:none;width:100%}.grid-2,.grid-3,.grid-4,.module-grid,.integration-grid,.pay-buttons,.pay-summary{grid-template-columns:1fr}}