/* ============================================================
   KimyoLab — Shared Design System
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;700;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---- TOKENS ---- */
:root {
  --bg:       #07090e;
  --surface:  #0f1420;
  --surface2: #161e2e;
  --surface3: #1c2840;
  --border:   #1e2d45;
  --border2:  #253550;

  --accent:   #4f8ef7;   /* science blue */
  --accent2:  #00c9a7;   /* teal-green */
  --accent3:  #a855f7;   /* purple */
  --gold:     #f59e0b;
  --danger:   #ef4444;
  --success:  #22c55e;
  --warn:     #f97316;

  --text:     #eef2ff;
  --text2:    #94a3b8;
  --text3:    #475569;

  --radius:   10px;
  --radius-lg:16px;
  --transition: 0.18s ease;
}

/* ---- RESET ---- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- GRID BG ---- */
.grid-bg::before {
  content:'';
  position:fixed; inset:0;
  background-image:
    linear-gradient(rgba(79,142,247,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,142,247,.025) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}

/* ---- TOPBAR ---- */
.topbar {
  position: sticky; top:0; z-index:200;
  height: 58px;
  background: rgba(7,9,14,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items:center; justify-content:space-between;
  padding: 0 28px;
  gap: 16px;
}
.topbar-logo {
  font-family:'Unbounded',sans-serif;
  font-size: 16px; font-weight:900;
  color: var(--accent);
  letter-spacing:-0.5px;
  text-decoration:none;
  display:flex; align-items:center; gap:8px;
  white-space:nowrap;
}
.topbar-logo span { color:var(--accent2); }
.topbar-nav {
  display:flex; align-items:center; gap:4px;
  flex:1; justify-content:center;
}
.nav-link {
  padding:6px 14px; border-radius:6px;
  font-size:13px; font-weight:500;
  color:var(--text2); text-decoration:none;
  transition:all var(--transition);
  white-space:nowrap;
}
.nav-link:hover { color:var(--text); background:var(--surface2); }
.nav-link.active { color:var(--accent); background:rgba(79,142,247,.1); }
.topbar-right { display:flex; align-items:center; gap:10px; }

.user-pill {
  display:flex; align-items:center; gap:8px;
  background:var(--surface2); border:1px solid var(--border);
  padding:5px 12px 5px 6px; border-radius:20px;
  font-size:13px; font-weight:500;
  cursor:pointer; transition:border-color var(--transition);
}
.user-pill:hover { border-color:var(--accent); }
.avatar {
  width:26px; height:26px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent3));
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; color:#fff; flex-shrink:0;
  overflow:hidden;
}
.avatar img { width:100%; height:100%; object-fit:cover; }

.btn { display:inline-flex; align-items:center; gap:6px; cursor:pointer; border:none; font-family:'Inter',sans-serif; font-weight:600; border-radius:var(--radius); transition:all var(--transition); text-decoration:none; }
.btn-primary   { background:var(--accent); color:#fff; padding:10px 20px; font-size:14px; }
.btn-primary:hover { background:#3b7de8; transform:translateY(-1px); }
.btn-secondary { background:var(--surface2); color:var(--text); border:1px solid var(--border); padding:10px 20px; font-size:14px; }
.btn-secondary:hover { border-color:var(--accent); }
.btn-sm { padding:7px 14px; font-size:13px; }
.btn-danger { background:rgba(239,68,68,.1); color:var(--danger); border:1px solid rgba(239,68,68,.25); padding:7px 14px; font-size:13px; }
.btn-danger:hover { background:rgba(239,68,68,.2); }
.btn-success { background:rgba(34,197,94,.1); color:var(--success); border:1px solid rgba(34,197,94,.25); padding:7px 14px; font-size:13px; }
.btn-success:hover { background:rgba(34,197,94,.2); }

/* ---- CARDS ---- */
.card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:24px;
  transition:border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color:var(--border2); }
.card-hover:hover { border-color:var(--accent); box-shadow:0 6px 24px rgba(79,142,247,.1); transform:translateY(-2px); }
.card-accent { border-left:3px solid var(--accent); }
.card-success { border-left:3px solid var(--success); }
.card-warn { border-left:3px solid var(--warn); }

/* ---- BADGES ---- */
.badge { display:inline-block; padding:3px 10px; border-radius:4px; font-size:11px; font-family:'JetBrains Mono',monospace; letter-spacing:.5px; font-weight:600; }
.badge-blue   { background:rgba(79,142,247,.12); color:var(--accent); border:1px solid rgba(79,142,247,.2); }
.badge-green  { background:rgba(0,201,167,.1); color:var(--accent2); border:1px solid rgba(0,201,167,.2); }
.badge-purple { background:rgba(168,85,247,.1); color:#c084fc; border:1px solid rgba(168,85,247,.2); }
.badge-gold   { background:rgba(245,158,11,.1); color:var(--gold); border:1px solid rgba(245,158,11,.2); }
.badge-red    { background:rgba(239,68,68,.1); color:var(--danger); border:1px solid rgba(239,68,68,.2); }

/* ---- FORM ---- */
.form-group { margin-bottom:16px; }
.form-label { display:block; font-size:11px; color:var(--text2); margin-bottom:6px; font-family:'JetBrains Mono',monospace; text-transform:uppercase; letter-spacing:1px; }
.form-input, .form-select, .form-textarea {
  width:100%; background:var(--surface2); border:1px solid var(--border);
  color:var(--text); padding:10px 14px; border-radius:var(--radius);
  font-size:14px; font-family:'Inter',sans-serif;
  transition:border-color var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline:none; border-color:var(--accent); }
.form-textarea { resize:vertical; min-height:80px; }

/* ---- TABLE ---- */
.table { width:100%; border-collapse:collapse; font-size:14px; }
.table th { background:var(--surface2); color:var(--accent); font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:1.5px; text-transform:uppercase; padding:10px 14px; text-align:left; border-bottom:1px solid var(--border); }
.table td { padding:11px 14px; border-bottom:1px solid rgba(30,45,69,.6); vertical-align:middle; }
.table tr:hover td { background:rgba(79,142,247,.03); }

/* ---- ALERT ---- */
.alert { border-radius:var(--radius); padding:13px 16px; font-size:13px; margin:12px 0; }
.alert-info    { background:rgba(79,142,247,.07); border:1px solid rgba(79,142,247,.2); color:#93c5fd; }
.alert-success { background:rgba(34,197,94,.07); border:1px solid rgba(34,197,94,.2); color:#86efac; }
.alert-warn    { background:rgba(249,115,22,.07); border:1px solid rgba(249,115,22,.2); color:#fdba74; }
.alert-danger  { background:rgba(239,68,68,.07); border:1px solid rgba(239,68,68,.2); color:#fca5a5; }

/* ---- DIVIDER ---- */
.divider { height:1px; background:linear-gradient(90deg,transparent,var(--border),transparent); margin:28px 0; }
.divider-text { display:flex; align-items:center; gap:12px; color:var(--text3); font-size:12px; margin:20px 0; }
.divider-text::before,.divider-text::after { content:''; flex:1; height:1px; background:var(--border); }

/* ---- TABS ---- */
.tabs { display:flex; border-bottom:1px solid var(--border); gap:0; }
.tab { padding:11px 20px; font-size:13px; font-weight:600; color:var(--text2); cursor:pointer; border-bottom:2px solid transparent; transition:all var(--transition); white-space:nowrap; font-family:'JetBrains Mono',monospace; text-transform:uppercase; letter-spacing:.5px; }
.tab:hover { color:var(--text); }
.tab.active { color:var(--accent); border-bottom-color:var(--accent); }

/* ---- TOAST ---- */
#toast {
  position:fixed; bottom:24px; left:50%;
  transform:translateX(-50%) translateY(80px);
  background:var(--surface3); border:1px solid var(--border2);
  color:var(--text); padding:11px 22px; border-radius:8px;
  font-size:14px; font-weight:500; z-index:9999;
  transition:transform .3s ease; white-space:nowrap;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
#toast.show { transform:translateX(-50%) translateY(0); }
#toast.success { border-color:rgba(34,197,94,.4); color:var(--success); }
#toast.error   { border-color:rgba(239,68,68,.4); color:var(--danger); }

/* ---- LOADING ---- */
.loading { display:flex; align-items:center; justify-content:center; gap:10px; color:var(--text2); padding:48px; font-size:14px; }
.spinner { width:18px; height:18px; border:2px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ---- EMPTY STATE ---- */
.empty { text-align:center; padding:64px 24px; }
.empty-icon { font-size:48px; margin-bottom:16px; }
.empty-title { font-size:18px; font-weight:600; margin-bottom:8px; }
.empty-sub { color:var(--text2); font-size:14px; }

/* ---- MODAL ---- */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.7); z-index:500;
  display:flex; align-items:center; justify-content:center;
  padding:20px; backdrop-filter:blur(4px);
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal {
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg); padding:32px; width:100%; max-width:520px;
  max-height:90vh; overflow-y:auto;
  transform:scale(.95); transition:transform .2s;
}
.modal-overlay.open .modal { transform:scale(1); }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.modal-title { font-family:'Unbounded',sans-serif; font-size:18px; font-weight:700; }
.modal-close { background:none; border:none; color:var(--text2); font-size:20px; cursor:pointer; padding:4px; line-height:1; }
.modal-close:hover { color:var(--text); }

/* ---- PROGRESS BAR ---- */
.progress-bar { height:4px; background:var(--border); border-radius:2px; overflow:hidden; }
.progress-fill { height:100%; border-radius:2px; transition:width .3s; background:linear-gradient(90deg,var(--accent),var(--accent2)); }

/* ---- LANG SWITCHER ---- */
.lang-btn { background:var(--surface2); border:1px solid var(--border); color:var(--text2); padding:4px 10px; border-radius:5px; font-size:12px; font-family:'JetBrains Mono',monospace; cursor:pointer; transition:all var(--transition); }
.lang-btn.active { border-color:var(--accent); color:var(--accent); }

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .topbar { padding:0 16px; }
  .topbar-nav { display:none; }
  .hide-mobile { display:none!important; }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:3px; }