:root{
  /* Krem / sıcak kurumsal tema */
  --bg:#F5EFE3; --surface:#FFFDF9; --surface-2:#FAF5EA;
  --ink:#24201A; --ink-2:#5B5346; --muted:#94897A;
  --line:#EBE3D3; --line-2:#DED4BF;
  --primary:#1F6F5C; --primary-2:#175A4A; --primary-soft:#E7F1EC; --primary-tint:#EEF5F0;
  --ring:rgba(31,111,92,.16);
  --navy:#2B2A25; --navy-2:#211F1B;
  --gold:#B0862F; --warn:#B5542F; --warn-soft:#F6E7DC;
  --radius:14px; --radius-sm:10px; --pill:999px;
  --sh-sm:0 1px 2px rgba(60,50,30,.06), 0 1px 3px rgba(60,50,30,.05);
  --sh-md:0 8px 24px rgba(60,50,30,.09);
  --sh-lg:0 24px 56px rgba(60,50,30,.16);
}
:root[data-theme="dark"]{
  --bg:#0E1421; --surface:#16202F; --surface-2:#1B2738;
  --ink:#EAF1F8; --ink-2:#AEBBCC; --muted:#8091A6;
  --line:#243141; --line-2:#2C3B52;
  --primary:#2DD4BF; --primary-2:#22B8A6; --primary-soft:#13322E; --primary-tint:#132A28;
  --ring:rgba(45,212,191,.22);
  --warn:#E08A5B; --warn-soft:#3A2418;
  --sh-sm:0 1px 2px rgba(0,0,0,.35); --sh-md:0 8px 24px rgba(0,0,0,.45); --sh-lg:0 24px 60px rgba(0,0,0,.6);
}
:root[data-theme="dark"] .notice-warn{background:#2A2213;color:#E3C07A;border-color:#4A3C1C;}
:root[data-theme="dark"] .danger-zone{background:#241615;border-color:#4a2a22;}
:root[data-theme="dark"] .mkt-nav{background:rgba(14,20,33,.8);}
:root[data-theme="dark"] .field input,:root[data-theme="dark"] .field textarea,:root[data-theme="dark"] .field select{background:var(--surface-2);}
:root[data-theme="dark"] .btn.ghost:hover{color:var(--primary);}
*{box-sizing:border-box;}
[hidden]{display:none!important;}
html,body{margin:0;padding:0;}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4,h5,.brand,.stat-num{font-family:'Plus Jakarta Sans','Inter',system-ui,sans-serif;letter-spacing:-.02em;}
.ic svg{width:23px;height:23px;}
.container{max-width:1400px;margin:0 auto;padding:0 24px;}
.container.wide{max-width:1640px;}
.section-label{font-size:.74rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin:0 0 12px 2px;}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;height:44px;border-radius:var(--pill);border:1.5px solid transparent;font-family:inherit;font-size:.92rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .16s ease;}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn.accent{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(18,124,113,.25);}
.btn.accent:hover{background:var(--primary-2);box-shadow:0 4px 14px rgba(18,124,113,.3);}
.btn.dark{background:var(--ink);color:#fff;}
.btn.dark:hover{background:#000;}
.btn.ghost{background:var(--surface);color:var(--ink-2);border-color:var(--line-2);}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn.small{height:38px;padding:0 15px;font-size:.85rem;}
.btn.block{width:100%;}
.btn.danger{background:var(--surface);color:var(--warn);border-color:var(--warn-soft);}
.btn.danger:hover{background:var(--warn-soft);}

/* ---- marketing nav ---- */
.mkt-nav{position:sticky;top:0;z-index:30;background:rgba(244,246,249,.82);backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line);}
.mkt-nav .row{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;letter-spacing:-.02em;color:var(--ink);}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#1AA896);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.95rem;box-shadow:0 3px 10px rgba(18,124,113,.3);}
.brand:hover{text-decoration:none;}
.nav-actions{display:flex;gap:10px;align-items:center;}

/* ---- app shell (logged in) — koyu lacivert kurumsal menü ---- */
.app-nav{background:linear-gradient(90deg,var(--navy),var(--navy-2));border-bottom:3px solid var(--primary);position:sticky;top:0;z-index:40;}
.app-nav .row{display:flex;align-items:center;gap:14px;min-height:62px;padding:9px 0;flex-wrap:wrap;}
.app-nav .brand{color:#fff;}
.app-links{display:flex;gap:3px;flex-wrap:wrap;flex:1 1 auto;}
.app-links a{color:#C3D1E0;padding:8px 13px;border-radius:var(--pill);font-size:.9rem;font-weight:500;transition:all .14s;white-space:nowrap;}
.app-links a:hover{background:rgba(255,255,255,.09);color:#fff;text-decoration:none;}
.app-links a.active{background:var(--primary);color:#fff;font-weight:600;}
.app-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.app-right .who{font-size:.82rem;color:#93A6BE;}
.logout{color:#C3D1E0;font-size:.84rem;border:1px solid rgba(255,255,255,.22);padding:8px 15px;border-radius:var(--pill);background:transparent;cursor:pointer;font-family:inherit;font-weight:500;transition:all .14s;}
.logout:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}
@media(max-width:960px){ .app-right .who{display:none;} }

/* ---- generic page ---- */
.page{padding:38px 0 80px;}
.page h1{font-size:1.85rem;font-weight:800;letter-spacing:-.025em;margin:0 0 6px;}
.page .lead{color:var(--muted);margin:0 0 26px;font-size:1rem;}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px;}
.page-head .lead{margin-bottom:0;}
.back-link{color:var(--muted);font-size:.88rem;font-weight:500;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--sh-sm);padding:26px;}
.card + .card{margin-top:18px;}
.card.no-pad{padding:0;overflow:hidden;}
.card h2{font-size:1.12rem;font-weight:700;margin:0 0 18px;letter-spacing:-.01em;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px;}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 20px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.83rem;color:var(--ink-2);font-weight:500;}
.field input,.field textarea,.field select{border:1.5px solid var(--line-2);border-radius:var(--radius-sm);background:var(--surface-2);padding:12px 14px;font-family:inherit;font-size:.93rem;color:var(--ink);width:100%;transition:all .14s;}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px var(--ring);}
.form-actions{margin-top:22px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.notice-ok{background:var(--primary-soft);color:var(--primary-2);border:1px solid #CDE6E1;border-radius:var(--radius-sm);padding:12px 16px;font-size:.88rem;margin-bottom:18px;}
.notice-err{background:var(--warn-soft);color:var(--warn);border:1px solid #eed4c7;border-radius:var(--radius-sm);padding:12px 16px;font-size:.88rem;margin-bottom:18px;}
.notice-warn{background:#FCF6EC;color:#8A6420;border:1px solid #EDE0C4;border-radius:var(--radius-sm);padding:12px 16px;font-size:.88rem;margin-bottom:18px;}

/* ---- tables ---- */
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:.92rem;}
.tbl th{text-align:left;font-size:.72rem;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);background:var(--surface-2);padding:13px 16px;border-bottom:1px solid var(--line);font-weight:600;}
.tbl td{padding:14px 16px;border-bottom:1px solid var(--line);}
.tbl tr:last-child td{border-bottom:none;}
.tbl tbody tr:hover td,.tbl tr:hover td{background:var(--surface-2);}
.tbl-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-sm);}
.tbl-wrap.plain{border:none;box-shadow:none;border-radius:0;}
.badge{display:inline-block;font-size:.74rem;font-weight:700;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);padding:3px 11px;}
.muted{color:var(--muted);}

/* ---- stats ---- */
.stat-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.stat{flex:1;min-width:160px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--sh-sm);padding:20px 22px;}
.stat-num{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:var(--primary);}
.stat-lbl{font-size:.84rem;color:var(--muted);margin-top:2px;}

/* ---- dashboard tiles ---- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.tile{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--sh-sm);transition:all .16s;}
.tile:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#CDE6E1;text-decoration:none;}
.tile .ic{width:46px;height:46px;border-radius:13px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:15px;}
.tile h3{margin:0 0 6px;font-size:1.08rem;color:var(--ink);}
.tile p{margin:0;color:var(--muted);font-size:.88rem;}

/* ---- landing ---- */
.hero{position:relative;padding:96px 0 72px;text-align:center;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(680px 360px at 50% -8%, rgba(18,124,113,.14), transparent 70%),
  radial-gradient(520px 300px at 88% 12%, rgba(26,168,150,.10), transparent 70%);
  pointer-events:none;}
.hero .inner{position:relative;}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line-2);color:var(--primary-2);font-weight:600;font-size:.8rem;letter-spacing:.2px;padding:7px 16px;border-radius:var(--pill);margin-bottom:24px;box-shadow:var(--sh-sm);}
.hero .kicker .d{width:7px;height:7px;border-radius:50%;background:var(--primary);}
.hero h1{font-size:3.25rem;line-height:1.06;letter-spacing:-.035em;margin:0 0 20px;font-weight:800;}
.hero h1 .hl{color:var(--primary);}
.hero p{font-size:1.14rem;color:var(--ink-2);max-width:62ch;margin:0 auto 32px;}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.trust{margin-top:26px;color:var(--muted);font-size:.84rem;}
.section-title{text-align:center;margin:20px 0 6px;font-size:1.6rem;font-weight:800;letter-spacing:-.02em;}
.section-sub{text-align:center;color:var(--muted);margin:0 auto 34px;max-width:52ch;}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:10px 0 90px;}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--sh-sm);transition:all .16s;}
.feature:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.feature .ic{width:50px;height:50px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px;}
.feature h3{margin:0 0 8px;font-size:1.14rem;}
.feature p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.65;}
.soon-tag{display:inline-block;font-size:.66rem;font-weight:700;color:var(--gold);background:#F7EFDD;border-radius:var(--pill);padding:2px 9px;margin-left:8px;vertical-align:middle;letter-spacing:.3px;}
.site-foot{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.86rem;text-align:center;}

/* ---- auth ---- */
.auth-wrap{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:44px 20px;}
.auth-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-lg);padding:38px;}
.auth-card h1{font-size:1.55rem;margin:0 0 6px;letter-spacing:-.02em;}
.auth-card .sub{color:var(--muted);margin:0 0 26px;font-size:.94rem;}
.auth-card .field{margin-bottom:15px;}
.auth-alt{margin-top:20px;text-align:center;font-size:.92rem;color:var(--muted);}

/* ---- site footer ---- */
.app-foot{text-align:center;padding:26px 20px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line);margin-top:10px;}
.app-foot span{color:var(--ink-2);font-weight:600;}

/* ---- photo grid (fetchsheet) ---- */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;}
.photo{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--surface-2);}
.photo img{width:100%;height:100%;object-fit:cover;display:block;}
.photo form{position:absolute;top:6px;right:6px;margin:0;}
.photo form button{width:27px;height:27px;border-radius:50%;border:none;background:rgba(0,0,0,.55);color:#fff;cursor:pointer;font-size:.8rem;line-height:1;}
.photo form button:hover{background:var(--warn);}

/* ---- danger zone ---- */
.danger-zone{border-color:#eed9cf;background:#FDF8F5;}
.danger-zone h2{color:var(--warn);}

@media(max-width:860px){
  .grid2,.grid3{grid-template-columns:1fr;}
  .tiles,.features{grid-template-columns:1fr;}
  .hero{padding:64px 0 48px;}
  .hero h1{font-size:2.3rem;}
  .app-links a{padding:8px 11px;font-size:.84rem;}
  .page-head{flex-direction:column;}
}

/* ===== Mobil uyumluluk (ek) ===== */
@media(max-width:640px){
  .container{padding-left:14px;padding-right:14px;}
  .grid2,.grid3{grid-template-columns:1fr!important;}
  .tiles{grid-template-columns:1fr!important;}
  .page-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .page .page-head .btn{width:100%;}
  h1{font-size:1.5rem;}
  h2{font-size:1.2rem;}
  .card{padding:16px;}
  .b2b-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .b2b-tab{white-space:nowrap;padding:10px 13px;font-size:.88rem;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .ag-cards{grid-template-columns:1fr!important;}
  .form-actions{flex-wrap:wrap;}
  .form-actions .btn{flex:1;min-width:130px;}
  .tbl-wrap,.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  table{min-width:520px;}
  .app-nav .container.row{flex-wrap:wrap;}
}
@media(max-width:400px){
  .stat-row{grid-template-columns:1fr;}
}