/* =========================================================
   KOALABS COLORFORGE — Design tokens
   Palette: deep graphite base, violet→cyan "paint" gradient,
   warm amber accent for before/after + status.
   Type: Space Grotesk (display/technical), Inter (body),
   JetBrains Mono (data / logs / credits).
   ========================================================= */
:root{
  --bg-0: #0a0c11;
  --bg-1: #10131b;
  --bg-2: #161a24;
  --bg-3: #1d2230;
  --line: #262c3b;
  --line-soft: #1c2130;
  --text-0: #f2f3f7;
  --text-1: #b6bbca;
  --text-2: #767c8f;
  --violet: #8b6bff;
  --violet-soft: #6a54c9;
  --cyan: #2fd7d0;
  --amber: #ff9a4d;
  --danger: #ff5d6c;
  --ok: #4ade80;
  --grad-paint: linear-gradient(120deg, var(--violet) 0%, var(--cyan) 100%);
  --grad-paint-soft: linear-gradient(120deg, rgba(139,107,255,.16) 0%, rgba(47,215,208,.16) 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-1: 0 1px 0 rgba(255,255,255,.03) inset, 0 20px 40px -20px rgba(0,0,0,.6);
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(139,107,255,.14), transparent 60%),
    radial-gradient(900px 480px at -10% 20%, rgba(47,215,208,.10), transparent 55%),
    var(--bg-0);
  color:var(--text-0);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}

::selection{background:var(--violet);color:#0a0c11;}

.container{max-width:1180px;margin:0 auto;padding:0 24px;}

h1,h2,h3,.display{font-family:var(--font-display);letter-spacing:-0.01em;}
.mono{font-family:var(--font-mono);}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
}
.muted{color:var(--text-1);}
.muted-2{color:var(--text-2);}

/* focus visibility */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(10,12,17,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1180px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:18px;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--grad-paint);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(255,255,255,.08) inset;
}
.brand-mark svg{width:16px;height:16px;}
.nav-links{display:flex;gap:28px;align-items:center;}
.nav-links a{font-size:14px;color:var(--text-1);transition:color .15s;}
.nav-links a:hover{color:var(--text-0);}
.nav-cta{display:flex;gap:10px;align-items:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:11px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .15s, box-shadow .15s, background .15s, border-color .15s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad-paint);color:#0a0c14;
  box-shadow:0 8px 24px -8px rgba(139,107,255,.55);
}
.btn-primary:hover{box-shadow:0 10px 28px -6px rgba(139,107,255,.7);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--text-0);
}
.btn-ghost:hover{border-color:var(--violet-soft);background:rgba(139,107,255,.06);}
.btn-outline{background:var(--bg-2);border-color:var(--line);color:var(--text-1);}
.btn-outline:hover{color:var(--text-0);border-color:var(--line);background:var(--bg-3);}
.btn-danger{background:rgba(255,93,108,.12);border-color:rgba(255,93,108,.35);color:#ffb3ba;}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:9px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* ---------- Cards / surfaces ---------- */
.card{
  background:linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
.card-pad{padding:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;
  padding:4px 10px;border-radius:100px;border:1px solid var(--line);
  color:var(--text-1);background:var(--bg-3);
}
.chip-mock{color:var(--amber);border-color:rgba(255,154,77,.35);background:rgba(255,154,77,.08);}
.chip-ok{color:var(--ok);border-color:rgba(74,222,128,.3);background:rgba(74,222,128,.08);}
.chip-live{color:var(--cyan);border-color:rgba(47,215,208,.3);background:rgba(47,215,208,.08);}

/* ---------- Inputs ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--text-1);}
.field input, .field select, .field textarea{
  background:var(--bg-3);border:1px solid var(--line);color:var(--text-0);
  padding:11px 13px;border-radius:10px;font-size:14px;font-family:inherit;
  transition:border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--violet-soft);box-shadow:0 0 0 3px rgba(139,107,255,.15);outline:none;
}
.field textarea{resize:vertical;min-height:90px;}
.hint{font-size:12px;color:var(--text-2);}

/* ---------- Hero ---------- */
.hero{padding:88px 0 64px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:52px;line-height:1.05;margin:18px 0 20px;font-weight:600;}
.hero h1 .grad{background:var(--grad-paint);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:17px;color:var(--text-1);max-width:520px;line-height:1.6;margin-bottom:30px;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;}

/* before/after seam visual — the signature element */
.seam{
  position:relative;aspect-ratio:1/1;border-radius:24px;overflow:hidden;
  border:1px solid var(--line-soft);background:var(--bg-1);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.7);
}
.seam-half{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;}
.seam-before{clip-path:polygon(0 0, 55% 0, 45% 100%, 0 100%);background:
  radial-gradient(circle at 30% 30%, #23283a, #14161d 70%);
}
.seam-after{clip-path:polygon(55% 0, 100% 0, 100% 100%, 45% 100%);background:
  radial-gradient(circle at 70% 40%, rgba(139,107,255,.35), transparent 55%),
  radial-gradient(circle at 40% 75%, rgba(47,215,208,.30), transparent 55%),
  #14161d;
}
.seam-line{
  position:absolute;top:0;bottom:0;left:50%;width:2px;
  background:var(--grad-paint);transform:translateX(-50%) skewX(-6deg);
  box-shadow:0 0 24px 2px rgba(139,107,255,.6);
}
.seam-tag{position:absolute;bottom:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;padding:5px 10px;border-radius:100px;background:rgba(10,12,17,.6);border:1px solid var(--line);backdrop-filter:blur(6px);}
.seam-tag.before{left:16px;}
.seam-tag.after{right:16px;}
#hero-canvas{width:100%;height:100%;}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section-head{max-width:620px;margin-bottom:44px;}
.section-head h2{font-size:32px;margin:10px 0 12px;font-weight:600;}
.section-head p{color:var(--text-1);font-size:15.5px;line-height:1.6;}

/* fill-step — replaces generic numbered circles: each step "fills" like paint */
.fillsteps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.fillstep{
  padding:22px 20px;border-radius:16px;border:1px solid var(--line-soft);
  background:var(--bg-1);position:relative;overflow:hidden;
}
.fillstep::before{
  content:"";position:absolute;left:0;bottom:0;right:0;height:3px;
  background:var(--grad-paint);
  transform:scaleX(var(--fill,0));transform-origin:left;
  transition:transform .6s ease;
}
.fillstep .icon{width:34px;height:34px;border-radius:9px;background:var(--bg-3);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.fillstep h3{font-size:15.5px;margin:0 0 6px;font-weight:600;}
.fillstep p{font-size:13.5px;color:var(--text-1);line-height:1.55;margin:0;}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line-soft);padding:36px 0;margin-top:40px;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
.footer p{color:var(--text-2);font-size:13px;}

/* ---------- Auth ---------- */
.auth-wrap{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:40px 20px;}
.auth-card{width:100%;max-width:400px;}
.auth-card h1{font-size:24px;margin:4px 0 6px;}
.divider{display:flex;align-items:center;gap:12px;color:var(--text-2);font-size:12px;margin:18px 0;}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line);}

/* ---------- App shell (dashboard) ---------- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:230px;flex-shrink:0;border-right:1px solid var(--line-soft);background:var(--bg-1);padding:20px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;}
.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text-1);font-size:14px;transition:background .15s,color .15s;}
.sidebar-link:hover{background:var(--bg-3);color:var(--text-0);}
.sidebar-link.active{background:var(--grad-paint-soft);color:var(--text-0);border:1px solid rgba(139,107,255,.3);}
.sidebar-link svg{width:17px;height:17px;flex-shrink:0;}
.main{flex:1;min-width:0;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--line-soft);}
.content{padding:28px;max-width:1160px;}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;}
.stat-card{padding:18px 20px;}
.stat-card .label{font-size:12.5px;color:var(--text-2);margin-bottom:8px;}
.stat-card .value{font-family:var(--font-display);font-size:26px;font-weight:600;}

.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.project-card{overflow:hidden;transition:border-color .15s, transform .15s;}
.project-card:hover{border-color:var(--violet-soft);}
.project-thumb{height:140px;background:radial-gradient(circle at 60% 30%, rgba(139,107,255,.28), transparent 60%), radial-gradient(circle at 30% 75%, rgba(47,215,208,.22), transparent 55%), var(--bg-3);display:flex;align-items:center;justify-content:center;}
.project-body{padding:16px 18px;}
.project-body h3{font-size:14.5px;margin:0 0 6px;font-weight:600;}
.project-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;}

/* status chips reused */
.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:6px;}
.status-taslak .status-dot{background:var(--text-2);}
.status-yukleniyor .status-dot{background:var(--cyan);}
.status-isleniyor .status-dot{background:var(--amber);}
.status-tamamlandi .status-dot{background:var(--ok);}
.status-hata .status-dot{background:var(--danger);}

/* ---------- Upload ---------- */
.dropzone{
  border:1.5px dashed var(--line);border-radius:18px;
  padding:48px 24px;text-align:center;background:var(--bg-1);
  transition:border-color .15s, background .15s;cursor:pointer;
}
.dropzone.drag{border-color:var(--violet-soft);background:rgba(139,107,255,.06);}
.dropzone svg{width:34px;height:34px;margin:0 auto 14px;color:var(--text-2);}
.file-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg-3);border:1px solid var(--line);border-radius:12px;margin-top:12px;}
.file-row .bar{flex:1;height:6px;background:var(--bg-2);border-radius:100px;overflow:hidden;}
.file-row .bar-fill{height:100%;background:var(--grad-paint);border-radius:100px;transition:width .2s;}

.step-track{display:flex;gap:0;margin-bottom:32px;}
.step-track .st{flex:1;text-align:center;position:relative;padding-bottom:14px;}
.step-track .st::after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--line);}
.step-track .st.done::after, .step-track .st.active::after{background:var(--grad-paint);}
.step-track .st span{font-family:var(--font-mono);font-size:11.5px;color:var(--text-2);}
.step-track .st.active span, .step-track .st.done span{color:var(--text-0);}

/* ---------- Processing ---------- */
.process-log{font-family:var(--font-mono);font-size:13px;background:var(--bg-0);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px;height:220px;overflow-y:auto;}
.process-log .ln{color:var(--text-2);padding:3px 0;display:flex;gap:10px;}
.process-log .ln.done{color:var(--ok);}
.process-log .ln.active{color:var(--cyan);}
.process-log .ln .t{color:var(--text-2);width:64px;flex-shrink:0;}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--cyan);animation:spin 0.8s linear infinite;display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}
.progress-ring-wrap{display:flex;align-items:center;justify-content:center;position:relative;width:180px;height:180px;margin:0 auto;}
.progress-ring-wrap .pct{position:absolute;font-family:var(--font-display);font-size:30px;font-weight:600;}

/* ---------- Viewer ---------- */
.viewer-shell{display:grid;grid-template-columns:1fr 320px;gap:20px;}
.viewer-canvas-wrap{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-soft);background:radial-gradient(circle at 50% 20%, #171b26, #0c0e14 75%);height:560px;}
.viewer-toolbar{position:absolute;top:14px;left:14px;display:flex;gap:8px;}
.viewer-toolbar button{width:36px;height:36px;border-radius:10px;background:rgba(10,12,17,.6);border:1px solid var(--line);backdrop-filter:blur(6px);color:var(--text-1);display:flex;align-items:center;justify-content:center;cursor:pointer;}
.viewer-toolbar button:hover{color:var(--text-0);border-color:var(--violet-soft);}
.compare-slider{position:absolute;bottom:14px;left:14px;right:14px;display:flex;align-items:center;gap:10px;background:rgba(10,12,17,.55);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:100px;padding:8px 14px;}
.compare-slider input[type=range]{flex:1;accent-color:var(--violet);}

/* ---------- Table (admin) ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px;}
th{text-align:left;color:var(--text-2);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.05em;padding:10px 14px;border-bottom:1px solid var(--line-soft);}
td{padding:13px 14px;border-bottom:1px solid var(--line-soft);color:var(--text-1);}
tr:last-child td{border-bottom:none;}
.tab-row{display:flex;gap:6px;border-bottom:1px solid var(--line-soft);margin-bottom:18px;}
.tab{padding:10px 16px;font-size:13.5px;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent;}
.tab.active{color:var(--text-0);border-color:var(--violet);}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:10px;z-index:100;}
.toast{background:var(--bg-2);border:1px solid var(--line);padding:13px 16px;border-radius:12px;font-size:13.5px;box-shadow:var(--shadow-1);max-width:320px;animation:toastin .25s ease;}
@keyframes toastin{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:38px;}
  .fillsteps{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .project-grid{grid-template-columns:repeat(2,1fr);}
  .viewer-shell{grid-template-columns:1fr;}
  .sidebar{display:none;}
  .nav-links{display:none;}
}
@media (max-width: 620px){
  .fillsteps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .project-grid{grid-template-columns:1fr;}
}