/* Türkish Teknik | Bakım Planlama ve Güvenilirlik — ortak stil · shared styles */
:root{
  --red:#C90016; --red-dark:#A00012; --navy:#0B1F3A; --navy-2:#122B4E; --navy-3:#1A3A66;
  --bg:#F4F6FA; --card:#FFFFFF; --border:#E2E8F0; --text:#1E293B; --muted:#64748B;
  --green:#0F9D58; --amber:#B45309; --amber-bg:#FEF3C7; --green-bg:#D1FAE5; --red-bg:#FEE2E2;
  --blue:#1D4ED8; --blue-bg:#DBEAFE; --radius:12px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 4px 14px rgba(15,23,42,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:15px}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
/* ---------- LAYOUT ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:264px;background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#CBD5E1;
  position:fixed;top:0;left:0;bottom:0;z-index:60;display:flex;flex-direction:column;transition:transform .25s ease}
.main{flex:1;margin-left:264px;display:flex;flex-direction:column;min-width:0}
.brand{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .logo{display:flex;align-items:center;gap:10px}
.brand .logo-mark{width:38px;height:38px;border-radius:9px;background:var(--red);display:flex;align-items:center;justify-content:center;flex:none;
  font-weight:800;color:#fff;font-size:17px;letter-spacing:-.5px}
.brand h1{font-size:.95rem;color:#fff;line-height:1.25;font-weight:700}
.brand small{display:block;font-size:.7rem;color:#94A3B8;font-weight:500;margin-top:2px}
.nav{padding:14px 10px;flex:1;overflow-y:auto}
.nav-label{font-size:.65rem;text-transform:uppercase;letter-spacing:.12em;color:#64748B;padding:10px 10px 6px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;cursor:pointer;
  font-size:.88rem;font-weight:500;color:#B9C5D6;margin-bottom:2px;border:none;background:none;width:100%;text-align:left;transition:background .15s,color .15s}
.nav-item svg{flex:none;opacity:.85}
.nav-item .en{display:block;font-size:.68rem;color:#7C8DA6;font-weight:400}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:var(--red);color:#fff}
.nav-item.active .en{color:#FBD5D9}
.nav-item .pill{margin-left:auto;background:rgba(255,255,255,.14);font-size:.65rem;padding:2px 8px;border-radius:99px;font-weight:600}
.nav-item.active .pill{background:rgba(255,255,255,.25)}
.side-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:.68rem;color:#64748B;line-height:1.5}
/* topbar */
.topbar{height:62px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;
  gap:14px;padding:0 22px;position:sticky;top:0;z-index:50}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:38px;height:38px;cursor:pointer;color:var(--text);font-size:18px}
.topbar h2{font-size:1.02rem;font-weight:700}
.topbar .sub{font-size:.72rem;color:var(--muted);font-weight:400;display:block}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:10px}
.status-dot{display:flex;align-items:center;gap:7px;font-size:.75rem;color:var(--muted);background:var(--bg);
  border:1px solid var(--border);padding:6px 12px;border-radius:99px;white-space:nowrap}
.status-dot i{width:8px;height:8px;border-radius:50%;background:#CBD5E1;display:inline-block}
.status-dot.on i{background:var(--green)}
.content{padding:22px;max-width:1500px;width:100%;margin:0 auto}
.page{display:none;animation:fadeIn .25s ease}
.page.visible{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* ---------- COMPONENTS ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
.card-h{padding:15px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-h h3{font-size:.95rem;font-weight:700}
.card-h .en{font-size:.72rem;color:var(--muted);font-weight:400}
.card-h .spacer{margin-left:auto}
.card-b{padding:20px}
.grid-kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--red)}
.kpi.k2::before{background:var(--navy)}
.kpi.k3::before{background:var(--green)}
.kpi.k4::before{background:var(--amber)}
.kpi .lbl{font-size:.72rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.kpi .val{font-size:1.65rem;font-weight:800;margin-top:4px;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.kpi .sub{font-size:.72rem;color:var(--muted);margin-top:2px}
.btn{display:inline-flex;align-items:center;gap:7px;border:none;border-radius:9px;padding:9px 16px;font-size:.83rem;
  font-weight:600;cursor:pointer;transition:filter .15s;font-family:inherit}
.btn:hover{filter:brightness(1.07)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-red{background:var(--red);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-ghost{background:var(--bg);color:var(--text);border:1px solid var(--border)}
.btn-sm{padding:6px 12px;font-size:.76rem}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.7rem;font-weight:700}
.badge.ok{background:var(--green-bg);color:var(--green)}
.badge.warn{background:var(--amber-bg);color:var(--amber)}
.badge.err{background:var(--red-bg);color:var(--red)}
.badge.info{background:var(--blue-bg);color:var(--blue)}
.badge.gray{background:#F1F5F9;color:var(--muted)}
/* dropzone */
.dropzone{border:2px dashed #C7D2E0;border-radius:var(--radius);padding:34px 20px;text-align:center;cursor:pointer;
  transition:border-color .2s,background .2s;background:#FAFCFF}
.dropzone:hover,.dropzone.drag{border-color:var(--red);background:#FFF6F7}
.dropzone .big{font-size:1rem;font-weight:700;margin-top:10px}
.dropzone p{font-size:.8rem;color:var(--muted);margin-top:5px;line-height:1.55}
.filelist{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.filerow{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:9px 13px;font-size:.8rem;flex-wrap:wrap}
.filerow b{font-weight:600}
.filerow .meta{color:var(--muted);font-size:.72rem}
.filerow .x{margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:15px;padding:2px 6px}
.filerow .x:hover{color:var(--red)}
/* table detect chips */
.dets{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.det{border:1px solid var(--border);border-radius:10px;padding:11px 14px;background:var(--bg)}
.det .t{font-size:.74rem;font-weight:700}
.det .s{font-size:.68rem;color:var(--muted);margin-top:2px}
.det.on{background:var(--green-bg);border-color:#A7F3D0}
.det.opt{opacity:.85}
/* tables */
.tbl-wrap{overflow-x:auto;border-radius:0 0 var(--radius) var(--radius)}
table.data{width:100%;border-collapse:collapse;font-size:.8rem;min-width:760px}
table.data th{background:#F8FAFC;text-align:left;padding:10px 13px;font-size:.68rem;text-transform:uppercase;
  letter-spacing:.05em;color:var(--muted);border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0;cursor:pointer;user-select:none}
table.data th .arrow{opacity:.5;font-size:.6rem}
table.data td{padding:9px 13px;border-bottom:1px solid #EEF2F7;white-space:nowrap;font-variant-numeric:tabular-nums}
table.data tr:hover td{background:#F8FAFC}
table.data td.num{text-align:right}
table.data th.num{text-align:right}
.mono{font-family:'Consolas','Menlo',monospace;font-size:.78rem}
.search{border:1px solid var(--border);border-radius:9px;padding:8px 13px;font-size:.82rem;min-width:210px;font-family:inherit;background:var(--card);color:var(--text)}
.search:focus{outline:2px solid #FCA5AD;border-color:var(--red)}
select.search{cursor:pointer}
.empty{padding:44px 20px;text-align:center;color:var(--muted);font-size:.85rem;line-height:1.6}
.empty .big{font-size:2rem;margin-bottom:8px}
/* quality */
.qrow{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden;background:var(--card)}
.qhead{display:flex;align-items:center;gap:12px;padding:13px 16px;cursor:pointer;flex-wrap:wrap}
.qhead:hover{background:#F8FAFC}
.qhead .ttl{font-weight:700;font-size:.86rem}
.qhead .desc{font-size:.74rem;color:var(--muted);width:100%;margin-top:2px;line-height:1.5}
.qbody{display:none;border-top:1px solid var(--border);padding:14px 16px;font-size:.8rem;background:#FBFDFF}
.qrow.open .qbody{display:block}
.qbody .fix{background:var(--blue-bg);border-radius:8px;padding:10px 13px;margin-top:10px;font-size:.78rem;line-height:1.55;color:#1E3A8A}
/* editable grid */
td[contenteditable]{outline:none}
td[contenteditable]:focus{background:#FFF6F7 !important;box-shadow:inset 0 0 0 2px var(--red)}
td.dirty{background:#FEF9C3 !important}
/* bars */
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:9px;font-size:.78rem}
.bar-row .nm{width:150px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.bar-track{flex:1;background:#EEF2F7;border-radius:99px;height:20px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--navy-3),var(--red));border-radius:99px;display:flex;align-items:center;
  justify-content:flex-end;padding-right:8px;color:#fff;font-size:.66rem;font-weight:700;min-width:34px;transition:width .5s ease}
/* instructions */
.steps{counter-reset:st}
.step{display:flex;gap:15px;padding:15px 0;border-bottom:1px dashed var(--border)}
.step:last-child{border-bottom:none}
.step .n{counter-increment:st;flex:none;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}
.step .n::before{content:counter(st)}
.step h4{font-size:.9rem;margin-bottom:4px}
.step p{font-size:.8rem;color:var(--muted);line-height:1.65}
.step code,.qbody code,.callout code{background:#EEF2F7;padding:1px 6px;border-radius:5px;font-size:.75rem;font-family:Consolas,monospace;color:var(--navy)}
.callout{border-left:4px solid var(--red);background:#FFF6F7;border-radius:0 10px 10px 0;padding:13px 16px;font-size:.8rem;line-height:1.65;margin:12px 0}
.callout.blue{border-color:var(--blue);background:var(--blue-bg)}
.callout.green{border-color:var(--green);background:var(--green-bg)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.toast{position:fixed;bottom:22px;right:22px;background:var(--navy);color:#fff;padding:13px 20px;border-radius:10px;
  font-size:.84rem;box-shadow:0 8px 30px rgba(0,0,0,.25);z-index:100;display:none;max-width:380px;line-height:1.5}
.toast.show{display:block;animation:fadeIn .2s ease}
.toast.err{background:var(--red-dark)}
.overlay{display:none;position:fixed;inset:0;background:rgba(11,31,58,.45);z-index:55}
.hh{font-weight:800;font-variant-numeric:tabular-nums}
.src-tag{font-size:.62rem;padding:2px 7px;border-radius:6px;font-weight:700;margin-right:3px;display:inline-block}
.src-pita{background:var(--blue-bg);color:var(--blue)}
.src-apth{background:var(--amber-bg);color:var(--amber)}
.src-apthc{background:var(--green-bg);color:var(--green)}
/* responsive */
@media(max-width:1080px){.two-col{grid-template-columns:1fr}}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none;box-shadow:0 0 60px rgba(0,0,0,.4)}
  .main{margin-left:0}
  .burger{display:block}
  .overlay.show{display:block}
  .content{padding:14px}
  .topbar{padding:0 14px}
  .topbar .status-dot{display:none}
  html{font-size:14px}
}
@media(max-width:560px){
  .grid-kpi{grid-template-columns:1fr 1fr}
  .kpi .val{font-size:1.3rem}
  .card-b{padding:14px}
}
/* çok sayfalı yapı ekleri · multipage additions */
.nav-item{text-decoration:none}
a.nav-item:visited{color:#B9C5D6}
a.nav-item.active:visited{color:#fff}
.hidden{display:none}
.src-sql{background:#EDE9FE;color:#6D28D9}

/* ---------- ipucu · tooltip ---------- */
.tip-box{position:absolute;z-index:1000;max-width:320px;background:var(--navy);color:#EAF0F8;
  font-size:.76rem;line-height:1.5;padding:9px 12px;border-radius:9px;pointer-events:none;
  box-shadow:0 8px 28px rgba(11,31,58,.32);opacity:0;transform:translateY(3px);
  transition:opacity .13s ease,transform .13s ease;white-space:normal;font-weight:400;letter-spacing:.1px}
.tip-box.show{opacity:1;transform:none}
.tip-box::after{content:"";position:absolute;left:var(--arrow-x,50%);width:0;height:0;
  border:6px solid transparent;transform:translateX(-50%)}
.tip-box[data-side="top"]::after{bottom:-11px;border-top-color:var(--navy)}
.tip-box[data-side="bottom"]::after{top:-11px;border-bottom-color:var(--navy)}
/* ipucu taşıyan öğelerde ince görsel işaret */
[data-tip]{position:relative}
.kpi[data-tip],.qhead[data-tip],th[data-tip]{cursor:help}
@media(hover:none){.tip-box{display:none!important}}

/* ---------- metodoloji modalı · methodology modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(11,31,58,.55);z-index:200;display:none;
  align-items:flex-start;justify-content:center;padding:36px 16px;overflow-y:auto}
.modal-bg.show{display:flex;animation:fadeIn .18s ease}
.modal{background:var(--card);border-radius:16px;max-width:920px;width:100%;box-shadow:0 24px 70px rgba(0,0,0,.4);
  margin:auto;overflow:hidden}
.modal-h{position:sticky;top:0;background:linear-gradient(180deg,var(--navy),var(--navy-2));color:#fff;
  padding:18px 24px;display:flex;align-items:center;gap:12px}
.modal-h h3{font-size:1.05rem;font-weight:800}
.modal-h .sub{font-size:.75rem;color:#9FB2CC;font-weight:400;display:block;margin-top:2px}
.modal-h .x{margin-left:auto;background:rgba(255,255,255,.14);border:none;color:#fff;width:34px;height:34px;
  border-radius:9px;font-size:18px;cursor:pointer;flex:none}
.modal-h .x:hover{background:rgba(255,255,255,.26)}
.modal-b{padding:22px 24px;font-size:.86rem;line-height:1.7;max-height:calc(100vh - 190px);overflow-y:auto}
.meth-step{border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:14px;background:#FBFDFF}
.meth-step .src-tag{margin-right:8px}
.meth-step h4{font-size:.95rem;margin-bottom:8px;display:flex;align-items:center;flex-wrap:wrap;gap:6px}
.meth-step .tbl-name{font-family:Consolas,monospace;font-size:.78rem;background:#EEF2F7;padding:2px 8px;border-radius:6px;color:var(--navy)}
.meth-formula{background:var(--navy);color:#EAF0F8;border-radius:9px;padding:11px 14px;font-family:Consolas,monospace;
  font-size:.76rem;line-height:1.6;margin:10px 0;overflow-x:auto;white-space:pre-wrap}
.meth-cols{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.meth-cols .col{font-family:Consolas,monospace;font-size:.72rem;background:#fff;border:1px solid var(--border);
  border-radius:6px;padding:3px 9px}
.meth-cols .col b{color:var(--red)}
.meth-note{font-size:.8rem;color:var(--muted);margin-top:6px}
.meth-corr{border-left:4px solid var(--amber);background:var(--amber-bg);border-radius:0 10px 10px 0;
  padding:12px 15px;margin:8px 0;font-size:.82rem;line-height:1.6}
.meth-corr b{color:var(--amber)}
.meth-flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;
  background:#F1F5F9;border-radius:12px;padding:16px;margin-bottom:16px;font-size:.8rem;font-weight:700}
.meth-flow .box{background:#fff;border:1px solid var(--border);border-radius:9px;padding:9px 13px;text-align:center}
.meth-flow .arrow{color:var(--muted);font-size:1.1rem}
@media(max-width:640px){.modal-b{padding:16px}.meth-flow{font-size:.72rem}}

/* ---------- açıklamalı SQL · annotated SQL ---------- */
.sql-anno{background:#0B1F3A;border-radius:10px;padding:6px 0;overflow-x:auto;margin:10px 0;
  font-family:Consolas,'Menlo',monospace;font-size:.74rem;line-height:1.65}
.sql-anno .ln{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;padding:1px 16px}
.sql-anno .ln:hover{background:rgba(255,255,255,.05)}
.sql-anno .code{color:#DCE7F5;white-space:pre}
.sql-anno .code .kw{color:#7FB0FF;font-weight:600}
.sql-anno .code .fn{color:#F0B866}
.sql-anno .cmt{color:#8FB89A;font-family:'Segoe UI',system-ui,sans-serif;font-size:.72rem;line-height:1.45;align-self:center}
.sql-anno .sec{grid-template-columns:1fr;padding:8px 16px 3px}
.sql-anno .sec .code{color:#FBD5D9;font-weight:700;font-family:'Segoe UI',system-ui,sans-serif;white-space:normal}
.sql-anno .warn{color:#FCA5AD}
@media(max-width:640px){.sql-anno .ln{grid-template-columns:1fr;gap:2px}.sql-anno .cmt{padding-bottom:6px}}

/* ---------- metodoloji animasyonu · worked-example animation ---------- */
.meth-anim{border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:18px;
  background:linear-gradient(180deg,#F8FAFF,#EEF3FB)}
.meth-anim .ah{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.meth-anim .ah h4{font-size:.98rem}
.meth-anim .ah .eng{font-family:Consolas,monospace;font-size:.74rem;background:var(--navy);color:#fff;padding:3px 9px;border-radius:6px}
.meth-anim .ah .replay{margin-left:auto;background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:6px 12px;font-size:.76rem;font-weight:600;cursor:pointer;color:var(--navy);font-family:inherit}
.meth-anim .ah .replay:hover{background:#fff;border-color:var(--red)}
.anim-total{text-align:center;margin:6px 0 16px}
.anim-total .lbl{font-size:.72rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.anim-total .big{font-size:2.4rem;font-weight:800;letter-spacing:-1px;font-variant-numeric:tabular-nums;color:var(--navy);line-height:1.1}
.anim-total .csn{font-size:.82rem;color:var(--muted);margin-top:2px}
.anim-steps{display:flex;flex-direction:column;gap:10px}
.anim-step{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);
  border-radius:11px;padding:11px 14px;opacity:.35;transform:translateY(6px);
  transition:opacity .45s ease,transform .45s ease,box-shadow .45s ease}
.anim-step.on{opacity:1;transform:none;box-shadow:0 4px 16px rgba(15,23,42,.08)}
.anim-step.on.flash{box-shadow:0 0 0 3px rgba(201,0,22,.25),0 4px 16px rgba(15,23,42,.1)}
.anim-step .ico{width:40px;height:40px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;font-size:19px}
.anim-step.s1 .ico{background:var(--blue-bg)}
.anim-step.s2 .ico{background:var(--amber-bg)}
.anim-step.s3 .ico{background:var(--green-bg)}
.anim-step .txt{flex:1;min-width:0}
.anim-step .txt .t{font-size:.86rem;font-weight:700}
.anim-step .txt .d{font-size:.74rem;color:var(--muted);line-height:1.4;margin-top:1px}
.anim-step .amt{font-family:Consolas,monospace;font-weight:800;font-size:.95rem;text-align:right;flex:none;white-space:nowrap}
.anim-step .amt .plus{color:var(--green);font-size:.72rem;display:block;font-weight:600}
.anim-bar{height:14px;border-radius:99px;background:#E7EDF6;overflow:hidden;display:flex;margin:14px 0 4px}
.anim-bar .seg{height:100%;width:0;transition:width .8s cubic-bezier(.4,0,.2,1)}
.anim-bar .seg.s1{background:var(--blue)}
.anim-bar .seg.s2{background:var(--amber)}
.anim-bar .seg.s3{background:var(--green)}
.anim-legend{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;font-size:.72rem;color:var(--muted)}
.anim-legend span{display:inline-flex;align-items:center;gap:5px}
.anim-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.anim-analogy{background:#FFF6F7;border-left:4px solid var(--red);border-radius:0 10px 10px 0;
  padding:11px 14px;margin-top:14px;font-size:.8rem;line-height:1.6}