/* Python OPS v0.1.0 - styles
   Built on the Well_Flow dashboard shell (light UI, dark sidebar) plus a
   login gate and mobile card layout consistent with the Python FOAM family. */
:root{
  --bg:#0f172a; --panel:#111827; --panel-2:#1f2937; --card:#ffffff;
  --text:#e5e7eb; --muted:#9ca3af; --line:#334155;
  --blue:#8f1d2c; --blue-strong:#b12a3b; --cyan:#06b6d4; --green:#22c55e; --orange:#f97316;
  --red:#ef4444; --purple:#8b5cf6; --white-bg:#f8fafc; --dark-text:#0f172a;
  --brand:#8f1d2c;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--white-bg);color:var(--dark-text)}
.hidden{display:none !important}

/* ---------------- Login gate ---------------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#1a0407,#2a0710 55%,#3a0d16)}
.login-card{width:min(420px,100%);background:#ffffff;border-radius:20px;padding:30px;box-shadow:0 24px 70px rgba(0,0,0,.45)}
.login-logo{display:grid;place-items:center;margin-bottom:12px}
.login-logo img{width:64px;height:64px;object-fit:contain;filter:drop-shadow(0 4px 10px rgba(143,29,44,.3))}
.login-card h1{margin:0 0 4px;font-size:24px;text-align:center}
.login-card .muted{margin:0 0 16px;color:#64748b;text-align:center;font-size:14px}
.login-card label{margin-top:12px}
.login-card button{width:100%;margin-top:18px;font-size:15px}
.login-card .hint{display:block;margin-top:14px;color:#94a3b8;font-size:12px;text-align:center}
.error{color:var(--red);margin-top:12px;min-height:20px;font-size:13px;font-weight:600}

/* ---------------- App shell ---------------- */
.app{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,#1a0407,#2a0710);color:var(--text);padding:22px 18px;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:40}
.brand{margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:18px;display:flex;align-items:center;gap:12px}
.brand img{width:40px;height:40px;object-fit:contain}
.brand h1{margin:0;font-size:22px;letter-spacing:.5px}
.brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
.userline{margin:0 0 16px;color:var(--muted);font-size:12px;line-height:1.5}
.userline b{color:#ffd9df}
.role-badge{display:inline-block;margin-top:6px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:700;background:rgba(177,42,59,.35);color:#ffd9df}
.role-badge.readonly{background:rgba(249,115,22,.25);color:#fed7aa}
.nav-btn{width:100%;border:0;background:transparent;color:var(--text);padding:12px 14px;text-align:left;cursor:pointer;border-radius:10px;font-size:15px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.nav-btn:hover,.nav-btn.active{background:var(--blue-strong)}
.nav-pill{font-size:11px;color:#ffd9df;background:rgba(255,255,255,.14);padding:3px 7px;border-radius:999px}

.main{margin-left:280px;width:calc(100% - 280px);padding:24px}
.topbar{background:var(--card);border-radius:18px;padding:20px 24px;box-shadow:0 8px 24px rgba(15,23,42,.08);display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}
.topbar h2{margin:0;font-size:28px}
.topbar p{margin:6px 0 0;color:#64748b}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{border:0;background:var(--blue);color:#fff;padding:11px 14px;border-radius:10px;cursor:pointer;font-weight:700}
.btn:hover{filter:brightness(1.06)}
.btn.secondary{background:#e2e8f0;color:#0f172a}
.btn.ghost{background:transparent;color:#334155;border:1px solid #cbd5e1}
.btn.danger{background:var(--red)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.mobile-menu-btn{display:none}

.grid{display:grid;gap:18px}
.kpis{grid-template-columns:repeat(4,minmax(160px,1fr));margin-bottom:22px}
.card{background:var(--card);border-radius:18px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.08);border:1px solid #e5e7eb}
.kpi-label{color:#64748b;font-size:13px;margin-bottom:8px}
.kpi-value{font-size:30px;font-weight:800;margin-bottom:4px}
.kpi-sub{font-size:12px;color:#64748b}

.content-section{display:none}
.content-section.active{display:block}
.section-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px;align-items:start}
.section-title{margin:0 0 14px;font-size:22px}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.flow-node{background:#fdf2f4;color:#7f1d2c;border:1px solid #f3c9d0;border-radius:12px;padding:12px 14px;font-weight:700}
.arrow{color:#64748b;font-weight:800}
.module-grid{grid-template-columns:repeat(3,minmax(220px,1fr))}
.module-card{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.module-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,.12)}
.module-card h3{margin:0 0 8px}
.module-card p{margin:0 0 14px;color:#64748b;font-size:14px;line-height:1.45}

.status{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}
.status.shell{background:#e0f2fe;color:#075985}
.status.pending{background:#fef3c7;color:#92400e}
.status.ready{background:#dcfce7;color:#166534}
.status.draft{background:#e2e8f0;color:#334155}
.status.approved{background:#fce7ea;color:#9f1239}
.status.active{background:#dcfce7;color:#166534}
.status.closed{background:#f1f5f9;color:#475569}

.tablewrap{overflow:auto;border-radius:12px}
table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:12px;font-size:14px}
th,td{text-align:left;border-bottom:1px solid #e5e7eb;padding:12px 10px;vertical-align:top}
th{background:#f1f5f9;color:#334155;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
tbody tr:hover{background:#f8fafc}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}

.placeholder{border:2px dashed #cbd5e1;background:#f8fafc;border-radius:16px;padding:18px;color:#64748b;line-height:1.5}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:14px}
label{display:block;font-size:12px;font-weight:800;color:#475569;margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}
input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:11px;font-size:14px;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(143,29,44,.15)}
textarea{min-height:96px;resize:vertical}
.full{grid-column:1 / -1}
.wells-list{display:grid;grid-template-columns:repeat(2,minmax(200px,1fr));gap:10px;margin-top:6px}
.well-row label{font-size:11px}
.muted-hint{color:#94a3b8;font-size:12px;margin:8px 0 0;line-height:1.4}
.cell-sub{font-size:12px;color:#64748b;margin-top:2px}

/* Planned products (proppant / chemical / acid) */
.products{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.product-cat{border:1px solid #e5e7eb;border-radius:12px;padding:12px;background:#fbfdff}
.product-cat-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px}
.product-cat-head span{font-weight:800;text-transform:uppercase;letter-spacing:.04em;font-size:12px;color:#7f1d2c}
.btn.small{padding:6px 10px;font-size:12px}
.product-cols,.product-row{display:grid;grid-template-columns:2fr 1fr 1.2fr 1fr 40px;gap:8px;align-items:center}
.product-cols{font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;font-weight:800;padding:0 2px 4px}
.product-row{margin-bottom:8px}
.product-row input,.product-row select{padding:9px}
.p-remove{padding:6px 10px;line-height:1;font-size:16px}
.product-empty{color:#94a3b8;font-size:12px;padding:2px 2px 6px}
.product-sub{text-align:right;font-size:13px;color:#475569;margin-top:2px}
.product-total{text-align:right;font-size:15px;font-weight:800;color:var(--dark-text);border-top:2px solid #e5e7eb;padding-top:10px}
/* Stage_Reporting - dropzones, thumbnails, WITSML summary */
.dropzone{border:2px dashed #cbd5e1;background:#f8fafc;border-radius:14px;padding:22px 16px;text-align:center;color:#64748b;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover{border-color:#94a3b8}
.dropzone.dragover{border-color:var(--brand);background:#fdf2f4;color:#7f1d2c}
.dz-inner b{color:#334155}
.dz-sub{font-size:12px;color:#94a3b8}
.dz-browse{color:var(--brand);font-weight:800;text-decoration:underline;cursor:pointer}
.file-chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.file-chip{display:inline-flex;align-items:center;gap:8px;background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:700}
.file-chip.ok{background:#dcfce7;border-color:#86efac;color:#166534}
.file-chip .x{cursor:pointer;font-weight:900;opacity:.7}
.file-chip .x:hover{opacity:1}
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-top:10px}
.thumb{position:relative;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden;background:#fff}
.thumb img{display:block;width:100%;height:90px;object-fit:cover}
.thumb .cap{font-size:11px;color:#64748b;padding:4px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb .x{position:absolute;top:4px;right:4px;background:rgba(15,23,42,.75);color:#fff;border:0;border-radius:6px;width:22px;height:22px;cursor:pointer;font-weight:900;line-height:1}
.kv-grid{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13px;margin:0}
.kv-grid dt{color:#64748b;font-weight:700}
.kv-grid dd{margin:0;color:#0f172a;font-weight:700}
.kv-section{margin-top:14px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#7f1d2c;font-weight:800}
.chem-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.chem-list .pillx{background:#fdf2f4;border:1px solid #f3c9d0;color:#7f1d2c;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:700}

/* Charge structure (stage / hourly pricing) */
input[readonly]{background:#f1f5f9;color:#475569;cursor:not-allowed}
.charge-method{display:flex;gap:20px;margin:6px 0 12px}
.radio-inline,.check-inline{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#334155;text-transform:none;letter-spacing:0;margin:0}
.radio-inline input,.check-inline input{width:auto}
.charge-panel{border:1px solid #e5e7eb;border-radius:12px;padding:12px;background:#fbfdff}
.charge-block{margin-bottom:14px}
.charge-block-head{font-weight:800;text-transform:uppercase;letter-spacing:.04em;font-size:12px;color:#7f1d2c;margin-bottom:8px}
.charge-cols,.li-row{display:grid;grid-template-columns:2fr 1fr 40px;gap:8px;align-items:center}
.grid-cols,.grid-row{display:grid;grid-template-columns:1fr 1fr 1fr 1fr 40px;gap:8px;align-items:center}
.charge-cols,.grid-cols{font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;font-weight:800;padding:0 2px 4px}
.li-row,.grid-row{margin-bottom:8px}
.li-row input,.grid-row input{padding:9px}
.li-remove{padding:6px 10px;line-height:1;font-size:16px}
.charge-sub{text-align:right;font-weight:800;color:var(--dark-text);border-top:2px solid #e5e7eb;padding-top:8px;margin-top:4px}
.check-inline{margin-top:10px}
@media (max-width:820px){
  .wells-list{grid-template-columns:1fr}
  .product-cols{display:none}
  .product-row{grid-template-columns:1fr 1fr;gap:6px}
  .product-row .p-type{grid-column:1 / -1}
  .product-row .p-remove{grid-column:1 / -1;justify-self:end}
  .charge-cols,.grid-cols{display:none}
  .li-row{grid-template-columns:1fr 40px}
  .li-row .li-label{grid-column:1 / -1}
  .grid-row{grid-template-columns:1fr 1fr}
  .grid-row .li-remove{grid-column:1 / -1;justify-self:end}
}
.footer-note{margin-top:20px;color:#64748b;font-size:13px}
.readonly-note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:12px;padding:10px 14px;font-size:13px;font-weight:600;margin-bottom:16px}

/* Toast */
.toast{position:fixed;right:20px;bottom:20px;z-index:60;background:#0f172a;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.3);font-size:14px;opacity:0;transform:translateY(10px);transition:opacity .2s,transform .2s;max-width:360px}
.toast.show{opacity:1;transform:translateY(0)}
.toast.ok{background:#166534}
.toast.err{background:#991b1b}

/* ---------------- Responsive ---------------- */
@media (max-width:1100px){
  .kpis,.module-grid,.section-layout{grid-template-columns:1fr}
}
@media (max-width:820px){
  .mobile-menu-btn{display:inline-flex}
  .sidebar{transform:translateX(-105%);transition:transform .2s ease;width:min(84vw,300px)}
  body.nav-open .sidebar{transform:translateX(0)}
  body.nav-open::after{content:'';position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}
  .main{margin-left:0;width:100%;padding:14px}
  .topbar{flex-direction:column;align-items:flex-start}
  .form-grid{grid-template-columns:1fr}
  /* tables become cards */
  table.cards thead{display:none}
  table.cards,table.cards tbody,table.cards tr,table.cards td{display:block;width:100%}
  table.cards tr{border:1px solid #e5e7eb;border-radius:12px;margin-bottom:12px;padding:6px 10px;background:#fff}
  table.cards td{border:0;padding:8px 4px;display:flex;justify-content:space-between;gap:12px}
  table.cards td::before{content:attr(data-label);font-weight:800;color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.04em}
  table.cards td.full-cell{display:block;text-align:center;color:#64748b}
  table.cards td.full-cell::before{content:''}
}