/* =====================================================================
   Agri Research Data Bank — Design tokens
   Palette: deep terrain green (#1F4B3F), saffron accent (#D98A2B)
   (a nod to Kashmir saffron fields), slate data-blue (#2C4A5E),
   warm parchment background (#F6F3EC).
   ===================================================================== */
:root{
  --green-deep:   #1F4B3F;
  --green-mid:    #2E6653;
  --green-pale:   #E4EEE7;
  --saffron:      #D98A2B;
  --saffron-pale: #FBEBD3;
  --slate:        #2C4A5E;
  --slate-pale:   #E5EDF2;
  --paper:        #F6F3EC;
  --paper-dark:   #EEE8DA;
  --ink:          #1C1C1A;
  --ink-soft:     #55534B;
  --muted:        #8A867A;
  --line:         #DFD9C8;
  --white:        #FFFFFF;
  --danger:       #B3261E;
  --danger-pale:  #FBE7E5;
  --radius:       10px;
  --shadow:       0 2px 10px rgba(31,75,63,0.08);
  --shadow-lift:  0 8px 24px rgba(31,75,63,0.14);
  --font-head:    Georgia, 'Times New Roman', serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono:    'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
  background-image:
    radial-gradient(circle at 100% 0%, rgba(217,138,43,0.06), transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(31,75,63,0.05), transparent 40%);
  background-attachment:fixed;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
h1,h2,h3,h4{font-family:var(--font-head); color:var(--green-deep); margin:0 0 .4em;}
a{color:var(--green-mid); text-decoration:none;}
a:hover{text-decoration:underline;}
p{margin:0 0 1em;}
.muted{color:var(--muted); font-size:.9em;}
code{font-family:var(--font-mono); background:var(--paper-dark); padding:1px 5px; border-radius:4px; font-size:.9em;}

/* ---------- Topbar ---------- */
.topbar{
  background:linear-gradient(180deg, var(--green-deep), #173B32);
  border-bottom:3px solid var(--saffron);
  position:sticky; top:0; z-index:50;
}
.topbar-inner{
  max-width:1280px; margin:0 auto; padding:10px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{display:flex; align-items:center; gap:10px; color:var(--white);}
.brand:hover{text-decoration:none;}
.brand-icon{font-size:28px; line-height:1;}
.brand-text{display:flex; flex-direction:column; line-height:1.2;}
.brand-text strong{font-family:var(--font-head); font-size:17px; color:var(--white);}
.brand-text small{color:#CFE0D8; font-size:11px; letter-spacing:.02em;}
.topnav{display:flex; align-items:center; gap:4px; flex-wrap:wrap;}
.topnav > a, .nav-dropdown > a{
  color:#EAF2ED; padding:8px 12px; border-radius:7px; font-size:14.5px; display:inline-block;
}
.topnav > a:hover, .nav-dropdown > a:hover{background:rgba(255,255,255,0.1); text-decoration:none;}
.topnav > a.active{background:rgba(217,138,43,0.25); color:#FFE7C2;}
.topnav .btn-nav{background:var(--saffron); color:var(--green-deep); font-weight:700;}
.topnav .btn-nav:hover{background:#C77A1E;}
.nav-dropdown{position:relative;}
.dropdown-menu{
  display:none; position:absolute; right:0; top:100%; background:var(--white);
  min-width:200px; border-radius:8px; box-shadow:var(--shadow-lift); padding:6px; margin-top:4px;
}
.nav-dropdown:hover .dropdown-menu{display:block;}
.dropdown-menu a{display:block; padding:8px 12px; border-radius:6px; color:var(--ink); font-size:14px;}
.dropdown-menu a:hover{background:var(--green-pale); text-decoration:none;}

/* ---------- Layout ---------- */
.page-wrap{max-width:1280px; margin:0 auto; padding:28px 24px 60px; width:100%; flex:1;}
.site-footer{background:var(--green-deep); color:#CFE0D8; margin-top:40px;}
.footer-inner{max-width:1280px; margin:0 auto; padding:22px 24px; font-size:13px;}
.footer-inner strong{color:var(--white);}

/* ---------- Cards / panels ---------- */
.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; box-shadow:var(--shadow); margin-bottom:20px;
}
.card-flush{padding:0; overflow:hidden;}
.grid{display:grid; gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

/* ---------- Stat tiles ---------- */
.stat-tile{
  background:var(--white); border:1px solid var(--line); border-left:5px solid var(--green-mid);
  border-radius:var(--radius); padding:18px 20px; box-shadow:var(--shadow);
}
.stat-tile .stat-value{font-family:var(--font-head); font-size:32px; color:var(--green-deep); line-height:1;}
.stat-tile .stat-label{color:var(--ink-soft); font-size:13px; margin-top:6px; text-transform:uppercase; letter-spacing:.04em;}
.stat-tile.accent{border-left-color:var(--saffron);}
.stat-tile.slate{border-left-color:var(--slate);}

/* ---------- Domain cards ---------- */
.domain-card{
  display:flex; flex-direction:column; gap:8px; background:var(--white); border:1px solid var(--line);
  border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); transition:transform .15s, box-shadow .15s;
}
.domain-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-lift); text-decoration:none;}
.domain-card .icon{font-size:30px;}
.domain-card h3{margin:4px 0 0;}
.domain-card p{color:var(--ink-soft); font-size:13.5px; margin:0;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:6px; padding:9px 18px; border-radius:8px; border:none;
  font-size:14.5px; font-weight:600; cursor:pointer; font-family:var(--font-body);
}
.btn-primary{background:var(--green-deep); color:var(--white);}
.btn-primary:hover{background:#163A30; text-decoration:none;}
.btn-accent{background:var(--saffron); color:#3A2405;}
.btn-accent:hover{background:#C77A1E; text-decoration:none;}
.btn-outline{background:transparent; border:1.5px solid var(--green-mid); color:var(--green-mid);}
.btn-outline:hover{background:var(--green-pale); text-decoration:none;}
.btn-danger{background:var(--danger); color:var(--white);}
.btn-danger:hover{background:#8F1F19;}
.btn-sm{padding:5px 11px; font-size:13px;}
.btn[disabled]{opacity:.5; cursor:not-allowed;}

/* ---------- Forms ---------- */
label{display:block; font-size:13.5px; font-weight:600; color:var(--ink-soft); margin:0 0 5px;}
.form-row{margin-bottom:16px;}
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=search], select, textarea, input[type=file]{
  width:100%; padding:10px 12px; border:1.5px solid var(--line); border-radius:8px;
  font-size:14.5px; font-family:var(--font-body); background:var(--white); color:var(--ink);
}
input:focus, select:focus, textarea:focus{outline:2px solid var(--saffron); outline-offset:1px; border-color:var(--saffron);}
textarea{min-height:90px; resize:vertical;}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media(max-width:640px){.form-grid{grid-template-columns:1fr;}}
.hint{font-size:12.5px; color:var(--muted); margin-top:4px;}
fieldset{border:1px dashed var(--line); border-radius:8px; padding:14px 16px; margin:0 0 16px;}
legend{font-family:var(--font-head); color:var(--slate); padding:0 6px; font-size:14px;}

/* ---------- Auth pages ---------- */
.auth-wrap{max-width:460px; margin:40px auto;}
.auth-wrap .card{padding:32px;}
.auth-header{text-align:center; margin-bottom:20px;}
.auth-header .icon{font-size:40px;}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px; border-radius:8px; margin-bottom:16px; font-size:14px; border:1px solid transparent;}
.alert-success{background:var(--green-pale); color:var(--green-deep); border-color:#BFDBCF;}
.alert-error{background:var(--danger-pale); color:var(--danger); border-color:#F1C6C2;}
.alert-info{background:var(--slate-pale); color:var(--slate); border-color:#C9DBE6;}

/* ---------- Badges ---------- */
.badge{display:inline-block; padding:2px 10px; border-radius:20px; font-size:12px; font-weight:700;}
.badge-approved{background:var(--green-pale); color:var(--green-deep);}
.badge-pending{background:var(--saffron-pale); color:#8A5A10;}
.badge-rejected{background:var(--danger-pale); color:var(--danger);}
.badge-role{background:var(--slate-pale); color:var(--slate);}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;}
table{width:100%; border-collapse:collapse; font-size:14px;}
thead th{
  text-align:left; background:var(--green-pale); color:var(--green-deep); padding:10px 12px;
  font-size:12.5px; text-transform:uppercase; letter-spacing:.03em; border-bottom:2px solid var(--line);
  white-space:nowrap;
}
tbody td{padding:10px 12px; border-bottom:1px solid var(--line); vertical-align:top;}
tbody tr:hover{background:#FBFAF6;}

/* ---------- Filter bar ---------- */
.filter-bar{
  display:flex; flex-wrap:wrap; gap:10px; align-items:end; background:var(--white);
  border:1px solid var(--line); border-radius:var(--radius); padding:16px; margin-bottom:20px; box-shadow:var(--shadow);
}
.filter-bar .form-row{margin:0; min-width:150px; flex:1;}

/* ---------- Tabs ---------- */
.tabs{display:flex; gap:4px; border-bottom:2px solid var(--line); margin-bottom:18px; flex-wrap:wrap;}
.tabs a{padding:9px 16px; color:var(--ink-soft); border-bottom:3px solid transparent; font-size:14px; font-weight:600;}
.tabs a.active{color:var(--green-deep); border-color:var(--saffron);}
.tabs a:hover{text-decoration:none; color:var(--green-deep);}

/* ---------- Chart panels ---------- */
.chart-panel{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow);}
.chart-panel h3{font-size:16px; margin-bottom:14px;}
canvas{max-width:100%;}

/* ---------- Contour motif (signature element) ---------- */
.contour-band{
  height:64px; width:100%; margin-bottom:8px;
  background-image:repeating-radial-gradient(circle at 20% -10%, transparent 0 18px, rgba(31,75,63,0.06) 19px 20px);
  border-radius:var(--radius);
}
.hero{
  background:linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color:var(--white); border-radius:14px; padding:44px 40px; position:relative; overflow:hidden; margin-bottom:26px;
}
.hero::after{
  content:""; position:absolute; inset:0;
  background-image:repeating-radial-gradient(circle at 85% 20%, transparent 0 22px, rgba(255,255,255,0.06) 23px 24px);
  pointer-events:none;
}
.hero h1{color:var(--white); font-size:32px; max-width:640px;}
.hero p{color:#DCEBE3; max-width:560px; position:relative;}
.hero .tag{
  display:inline-block; background:rgba(217,138,43,0.9); color:#3A2405; padding:4px 14px;
  border-radius:20px; font-size:12.5px; font-weight:700; margin-bottom:14px; letter-spacing:.03em;
}

/* ---------- Misc ---------- */
.flex{display:flex; align-items:center; gap:10px;}
.flex-between{display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;}
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.section-title{display:flex; align-items:center; gap:10px; margin:30px 0 14px;}
.section-title::after{content:""; flex:1; height:1px; background:var(--line);}
.empty-state{text-align:center; padding:50px 20px; color:var(--muted);}
.empty-state .icon{font-size:40px; display:block; margin-bottom:10px;}
.pill-list{display:flex; flex-wrap:wrap; gap:6px;}
.pill{background:var(--paper-dark); border-radius:20px; padding:3px 11px; font-size:12.5px; color:var(--ink-soft);}
.api-block{background:#12241E; color:#D8ECE3; padding:16px 18px; border-radius:8px; font-family:var(--font-mono); font-size:13px; overflow-x:auto;}
.api-block .k{color:var(--saffron);}