/* मूल्यांकन — web edition
   Design language: Apple-style clarity + 2026 palette.
   - warm paper neutrals (not cold grey), true dark mode
   - one confident accent (cosmic indigo) with a violet halo
   - hairline borders, soft layered shadows, generous radius & whitespace
   - restrained motion, visible focus, content-first hierarchy */

:root{
  /* 2026 palette — light */
  --paper:#f6f5f3;          /* warm off-white ground */
  --surface:#ffffff;
  --surface-2:#faf9f7;
  --ink:#1c1b1a;            /* near-black, warm */
  --ink-2:#5c5a57;          /* secondary text */
  --ink-3:#8a8781;          /* tertiary / hints */
  --hairline:rgba(28,27,26,.09);
  --hairline-2:rgba(28,27,26,.06);

  --accent:#4f46e5;         /* cosmic indigo */
  --accent-hi:#5b52f0;
  --accent-ink:#ffffff;
  --accent-tint:rgba(79,70,229,.10);
  --accent-halo:rgba(79,70,229,.28);

  --ok:#0f9d58; --ok-tint:#e7f4ec;
  --warn:#b7791f; --warn-tint:#fbf1e0;
  --err:#d93a34; --err-tint:#fbe9e8;

  --radius:16px; --radius-sm:10px; --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(28,27,26,.05), 0 1px 3px rgba(28,27,26,.04);
  --shadow:0 2px 6px rgba(28,27,26,.05), 0 12px 32px -12px rgba(28,27,26,.12);
  --shadow-lg:0 8px 24px -8px rgba(28,27,26,.16), 0 32px 64px -24px rgba(28,27,26,.2);
  --ring:0 0 0 3px var(--accent-halo);

  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --sidebar-w:260px;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:#141312;
    --surface:#1c1b1a;
    --surface-2:#232120;
    --ink:#f2f0ec;
    --ink-2:#b6b2ab;
    --ink-3:#837f78;
    --hairline:rgba(255,255,255,.10);
    --hairline-2:rgba(255,255,255,.06);
    --accent:#7c73ff;
    --accent-hi:#8b83ff;
    --accent-tint:rgba(124,115,255,.14);
    --accent-halo:rgba(124,115,255,.32);
    --ok:#3ecf8e; --ok-tint:rgba(62,207,142,.14);
    --warn:#e0a94a; --warn-tint:rgba(224,169,74,.14);
    --err:#ff6b63; --err-tint:rgba(255,107,99,.14);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow:0 2px 8px rgba(0,0,0,.35), 0 20px 40px -16px rgba(0,0,0,.5);
    --shadow-lg:0 24px 60px -20px rgba(0,0,0,.6);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:14.5px;line-height:1.6;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-halo)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}

/* ---------- layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);flex-shrink:0;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
  background:color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-right:1px solid var(--hairline)}
.brand{display:flex;gap:12px;align-items:center;padding:22px 20px 18px}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:700;font-size:15px;color:var(--accent-ink);
  background:linear-gradient(145deg,var(--accent),var(--accent-hi));
  box-shadow:0 6px 16px -6px var(--accent-halo)}
.brand-text{display:flex;flex-direction:column;font-weight:650;font-size:15px;letter-spacing:-.01em}
.brand-text small{font-weight:500;color:var(--ink-3);font-size:11px;letter-spacing:0}
nav{padding:8px 10px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:1px}
.nav-item{display:block;padding:9px 12px;border-radius:10px;color:var(--ink-2);
  font-weight:500;letter-spacing:-.005em;transition:background .15s,color .15s}
.nav-item:hover{background:var(--hairline-2);color:var(--ink)}
.nav-item.active{background:var(--accent-tint);color:var(--accent);font-weight:600}

.nav-group{border-radius:10px}
.nav-group>summary{list-style:none;cursor:pointer;display:flex;align-items:center;
  justify-content:space-between;padding:9px 12px;border-radius:10px;color:var(--ink-2);
  font-weight:600;letter-spacing:-.005em;user-select:none;transition:background .15s,color .15s}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary:hover{background:var(--hairline-2);color:var(--ink)}
.nav-group .chev{width:7px;height:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(-45deg);opacity:.5;
  transition:transform .18s;margin-right:2px}
.nav-group[open]>summary .chev{transform:rotate(45deg)}
.nav-children{display:flex;flex-direction:column;gap:1px;margin:1px 0 4px 8px;
  padding-left:8px;border-left:1px solid var(--hairline)}
.nav-children .nav-item{padding:8px 12px;font-size:13.5px}
.sidebar-foot{padding:12px 14px 14px;border-top:1px solid var(--hairline);display:flex;
  flex-direction:column;gap:10px}
.foot-host{color:var(--ink-3);font-size:11px;padding:0 6px}
.admin-badge{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 10px;border-radius:10px;background:var(--accent-tint);color:var(--accent);
  font-size:12px;font-weight:600}
.linkbtn{border:none;background:none;color:var(--accent);font:inherit;font-size:12px;
  font-weight:600;cursor:pointer;padding:0;text-decoration:underline}
.admin-login>summary{list-style:none;cursor:pointer;font-size:12px;font-weight:600;
  color:var(--ink-2);padding:8px 10px;border-radius:10px}
.admin-login>summary::-webkit-details-marker{display:none}
.admin-login>summary:hover{background:var(--hairline-2);color:var(--ink)}
.admin-login form{display:flex;flex-direction:column;gap:8px;padding:8px 6px 4px}
.admin-login input{width:100%;max-width:none;padding:8px 10px;font-size:12.5px;
  border:1px solid var(--hairline);border-radius:8px;background:var(--surface-2);color:var(--ink)}
.admin-login .btn{padding:8px 14px;font-size:12.5px;justify-content:center}

.content{flex:1;padding:48px 56px;max-width:1080px;width:100%;margin:0 auto}
.content>h1{font-size:29px;line-height:1.15;letter-spacing:-.02em;margin:0 0 6px;font-weight:700}
.lede{color:var(--ink-2);font-size:15.5px;margin:0 0 32px;max-width:60ch}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.card h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;
  margin:0 0 18px;color:var(--ink-3);font-weight:650}

/* ---------- forms ---------- */
.field{margin-bottom:20px}
.field:last-of-type{margin-bottom:24px}
.field label{display:block;font-weight:600;margin-bottom:7px;letter-spacing:-.01em}
.field .hint{color:var(--ink-3);font-weight:400;font-size:12.5px;margin-top:6px;line-height:1.5}
input[type=text],select{width:100%;max-width:320px;padding:10px 13px;font:inherit;
  color:var(--ink);background:var(--surface-2);border:1px solid var(--hairline);
  border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s}
input[type=text]:focus,select:focus{border-color:var(--accent);box-shadow:var(--ring);outline:none}
input[type=file]{width:100%;font:inherit;color:var(--ink-2);padding:14px;
  background:var(--surface-2);border:1.5px dashed var(--hairline);border-radius:var(--radius-sm);
  cursor:pointer;transition:border-color .15s,background .15s}
input[type=file]:hover{border-color:var(--accent);background:var(--accent-tint)}
input[type=file]::file-selector-button{font:inherit;font-weight:600;margin-right:12px;
  padding:7px 14px;border:0;border-radius:8px;color:var(--accent);background:var(--accent-tint);
  cursor:pointer;transition:background .15s}
input[type=file]::file-selector-button:hover{background:color-mix(in srgb,var(--accent-tint) 60%,var(--accent))}

.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font:inherit;
  font-weight:600;letter-spacing:-.01em;padding:12px 22px;border-radius:12px;
  color:var(--accent-ink);background:linear-gradient(145deg,var(--accent),var(--accent-hi));
  box-shadow:0 4px 14px -6px var(--accent-halo);transition:transform .12s,box-shadow .15s,filter .15s}
.btn:hover{filter:brightness(1.05);box-shadow:0 8px 22px -8px var(--accent-halo)}
.btn:active{transform:translateY(1px)}
.btn:disabled{background:var(--hairline);color:var(--ink-3);box-shadow:none;cursor:not-allowed;filter:none}
.btn.ghost{background:var(--surface);color:var(--accent);border:1px solid var(--hairline);box-shadow:var(--shadow-sm)}
.btn.ghost:hover{background:var(--accent-tint);filter:none}
.btn.danger{background:linear-gradient(145deg,var(--err),#e2544e)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* ---------- home grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:18px}
.tile{display:block;background:var(--surface);border:1px solid var(--hairline);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .16s,box-shadow .16s,border-color .16s}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent-halo)}
.tile b{display:block;margin-bottom:6px;font-size:15px;letter-spacing:-.01em}
.tile span{color:var(--ink-2);font-size:13px;line-height:1.55}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:12px;margin-bottom:22px}
.metric{background:var(--surface-2);border:1px solid var(--hairline-2);border-radius:14px;padding:14px 16px}
.metric .k{color:var(--ink-3);font-size:11px;font-weight:650;text-transform:uppercase;letter-spacing:.05em}
.metric .v{font-size:23px;font-weight:700;margin-top:3px;letter-spacing:-.02em}

/* ---------- charts (dependency-free) ---------- */
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px}
.chart{display:flex;flex-direction:column;gap:9px}
.chart-row{display:grid;grid-template-columns:110px 1fr 56px;align-items:center;gap:12px}
.chart-label{font-size:12px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chart-val{font-size:12px;font-weight:650;text-align:right;color:var(--ink);letter-spacing:-.01em}
.chart-track{height:12px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--hairline-2);overflow:hidden;display:flex}
.chart-fill{height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--accent-hi));transition:width .5s cubic-bezier(.2,.7,.3,1)}
.chart-track.stacked{background:var(--surface-2)}
.chart-track .seg{height:100%;transition:width .5s cubic-bezier(.2,.7,.3,1)}
.chart-track .seg.a{background:var(--accent)}
.chart-track .seg.d{background:color-mix(in srgb,var(--warn) 70%,var(--surface))}
.chart-legend{display:flex;gap:18px;margin-bottom:14px;font-size:12px;color:var(--ink-2)}
.chart-legend i.sw{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.chart-legend i.sw.a{background:var(--accent)}
.chart-legend i.sw.d{background:color-mix(in srgb,var(--warn) 70%,var(--surface))}
@media(max-width:560px){.chart-row{grid-template-columns:84px 1fr 46px;gap:8px}}

/* ---------- tables ---------- */
.table-wrap{overflow:auto;border:1px solid var(--hairline);border-radius:14px;max-height:440px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--hairline-2);white-space:nowrap}
th{background:var(--surface-2);position:sticky;top:0;font-weight:650;color:var(--ink-2);
  letter-spacing:-.005em;z-index:1}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .12s}
tbody tr:hover td{background:var(--accent-tint)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:650}
.badge.completed,.badge.ok{background:var(--ok-tint);color:var(--ok)}
.badge.failed,.badge.err{background:var(--err-tint);color:var(--err)}
.badge.skipped{background:var(--warn-tint);color:var(--warn)}

/* ---------- result block ---------- */
.result{display:none}
.result.show{display:block;animation:rise .28s cubic-bezier(.2,.7,.3,1)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.status{padding:13px 16px;border-radius:12px;font-weight:600;margin-bottom:18px;
  border:1px solid transparent}
.status.ok{background:var(--ok-tint);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 24%,transparent)}
.status.err{background:var(--err-tint);color:var(--err);border-color:color-mix(in srgb,var(--err) 24%,transparent)}
.status:not(.ok):not(.err){background:var(--accent-tint);color:var(--accent)}
.spinner{width:15px;height:15px;border:2px solid color-mix(in srgb,var(--accent-ink) 35%,transparent);
  border-top-color:var(--accent-ink);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

.downloads{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.dl{display:inline-flex;gap:8px;align-items:center;background:var(--surface-2);
  border:1px solid var(--hairline);border-radius:12px;padding:9px 14px;font-weight:600;
  transition:border-color .15s,background .15s,transform .12s}
.dl:hover{border-color:var(--accent);background:var(--accent-tint);color:var(--accent);transform:translateY(-1px)}

.log{background:#0f0e0d;color:#e9e6e0;border-radius:12px;padding:14px 16px;margin-top:16px;
  font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:12px;line-height:1.7;
  max-height:260px;overflow:auto;white-space:pre-wrap}
@media (prefers-color-scheme: dark){.log{background:#0a0a09;border:1px solid var(--hairline)}}

.prose p{margin:0 0 12px;color:var(--ink-2)}
.prose p b{color:var(--ink)}
.prose code{background:var(--surface-2);border:1px solid var(--hairline-2);
  padding:1px 6px;border-radius:6px;font-size:.88em;font-family:ui-monospace,Menlo,monospace}
.hint{color:var(--ink-3);font-size:12.5px}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--hairline)}
  .brand{padding:16px 18px 10px}
  nav{max-height:46vh}
  .content{padding:28px 20px}
  .content>h1{font-size:24px}
}