/* ═══════════════════════════════════════════════════════════════
   TradeForge — Estimating & Takeoff Engine Styles
   Drawing-based takeoffs, material extraction, estimate builder,
   RFQ generation, supplier quotes, and cost tracking
   ═══════════════════════════════════════════════════════════════ */

/* ── Estimating Section Layout ── */
.est-section{padding:20px 0}
.est-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 20px;flex-wrap:wrap}
.est-header h3{font-size:18px;font-weight:700;color:#fff;margin:0;display:flex;align-items:center;gap:8px}
.est-header h3 svg{width:20px;height:20px;color:var(--bronze)}

/* ── Sub-tabs ── */
.est-tabs{display:flex;gap:4px;overflow-x:auto;padding:0 0 12px;border-bottom:1px solid rgba(140,106,62,.12);margin:0 0 20px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.est-tabs::-webkit-scrollbar{display:none}
.est-tab{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:8px;font-size:12px;font-weight:650;color:var(--muted);background:transparent;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:all .2s}
.est-tab:hover{color:var(--ash);background:rgba(140,106,62,.06)}
.est-tab.active{color:#fff;background:rgba(140,106,62,.15);border-color:rgba(140,106,62,.3)}
.est-tab svg{width:14px;height:14px}
.est-tab .est-tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border-radius:9px;font-size:10px;font-weight:700;background:rgba(140,106,62,.2);color:var(--bronze)}

/* ── Stat Cards ── */
.est-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0 0 20px}
.est-stat{background:linear-gradient(135deg,rgba(46,49,54,.55) 0%,rgba(30,32,35,.65) 100%);border:1px solid rgba(140,106,62,.12);border-radius:var(--r);padding:16px;text-align:center}
.est-stat-num{font-size:22px;font-weight:700;color:#fff;display:block}
.est-stat-label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:4px 0 0;display:block}

/* ── Drawing Cards ── */
.est-drawings{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.est-drawing-card{background:linear-gradient(135deg,rgba(46,49,54,.55) 0%,rgba(30,32,35,.65) 100%);border:1px solid rgba(140,106,62,.18);border-radius:var(--r);padding:16px;transition:border-color .2s;cursor:pointer}
.est-drawing-card:hover{border-color:rgba(140,106,62,.35)}
.est-drawing-thumb{width:100%;height:120px;border-radius:10px;background:rgba(15,17,20,.4);border:1px solid rgba(181,183,185,.08);display:flex;align-items:center;justify-content:center;margin:0 0 12px;overflow:hidden}
.est-drawing-thumb svg{width:36px;height:36px;color:rgba(140,106,62,.3)}
.est-drawing-name{font-size:14px;font-weight:700;color:#fff;margin:0 0 4px}
.est-drawing-meta{font-size:12px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.est-drawing-meta span{display:inline-flex;align-items:center;gap:4px}
.est-drawing-meta svg{width:11px;height:11px;color:var(--bronze)}
.est-drawing-tags{display:flex;gap:4px;flex-wrap:wrap;margin:8px 0 0}
.est-drawing-tag{display:inline-flex;padding:2px 8px;border-radius:5px;font-size:10px;font-weight:650;background:rgba(140,106,62,.1);color:var(--bronze);border:1px solid rgba(140,106,62,.15)}
.est-drawing-actions{display:flex;gap:6px;margin:10px 0 0}
.est-drawing-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;font-size:11px;font-weight:650;color:var(--bronze);background:rgba(140,106,62,.08);border:1px solid rgba(140,106,62,.2);cursor:pointer;transition:all .2s}
.est-drawing-btn:hover{background:rgba(140,106,62,.15);color:#fff}
.est-drawing-btn.primary{color:#fff;background:var(--bronze);border-color:var(--bronze)}
.est-drawing-btn.primary:hover{background:#a07a48}
.est-drawing-btn svg{width:12px;height:12px}

/* ── Takeoff Table ── */
.est-takeoff-table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}
.est-takeoff-table th{text-align:left;padding:10px 12px;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;background:rgba(46,49,54,.4);border-bottom:1px solid rgba(140,106,62,.12)}
.est-takeoff-table th:first-child{border-radius:10px 0 0 0}
.est-takeoff-table th:last-child{border-radius:0 10px 0 0}
.est-takeoff-table td{padding:10px 12px;color:var(--ash);border-bottom:1px solid rgba(181,183,185,.06)}
.est-takeoff-table tr:hover td{background:rgba(140,106,62,.04)}
.est-takeoff-table .est-qty{font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.est-takeoff-table .est-unit{color:var(--muted);font-size:12px}

/* ── Material List ── */
.est-materials{display:grid;gap:8px}
.est-material-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:12px;align-items:center;padding:12px 14px;background:rgba(46,49,54,.35);border:1px solid rgba(140,106,62,.1);border-radius:10px;font-size:13px;transition:border-color .2s}
.est-material-row:hover{border-color:rgba(140,106,62,.25)}
.est-material-name{font-weight:650;color:#fff}
.est-material-cat{font-size:11px;color:var(--muted);margin:2px 0 0}
.est-material-qty{font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.est-material-unit{font-size:12px;color:var(--muted)}
.est-material-rate{color:var(--ash)}
.est-material-total{font-weight:700;color:var(--bronze);font-variant-numeric:tabular-nums}
.est-material-action{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:650;color:var(--bronze);background:rgba(140,106,62,.1);border:1px solid rgba(140,106,62,.2);cursor:pointer;transition:all .2s}
.est-material-action:hover{background:rgba(140,106,62,.2);color:#fff}
.est-material-action svg{width:10px;height:10px}

/* ── Estimate Phases ── */
.est-phases{display:grid;gap:12px}
.est-phase{background:linear-gradient(135deg,rgba(46,49,54,.55) 0%,rgba(30,32,35,.65) 100%);border:1px solid rgba(140,106,62,.15);border-radius:var(--r);padding:16px;transition:border-color .2s}
.est-phase:hover{border-color:rgba(140,106,62,.3)}
.est-phase-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px;flex-wrap:wrap}
.est-phase-name{font-size:15px;font-weight:700;color:#fff}
.est-phase-total{font-size:16px;font-weight:700;color:var(--bronze)}
.est-phase-bar{height:6px;border-radius:3px;background:rgba(181,183,185,.1);overflow:hidden;margin:0 0 10px}
.est-phase-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--bronze),#a07a48);transition:width .4s ease}
.est-phase-items{display:grid;gap:6px}
.est-phase-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:rgba(15,17,20,.25);border-radius:8px;font-size:12px}
.est-phase-item-label{color:var(--ash)}
.est-phase-item-cost{font-weight:700;color:#fff;font-variant-numeric:tabular-nums}

/* ── Cost Tracking ── */
.est-cost-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0 0 20px}
.est-cost-card{background:linear-gradient(135deg,rgba(46,49,54,.55) 0%,rgba(30,32,35,.65) 100%);border:1px solid rgba(140,106,62,.12);border-radius:var(--r);padding:16px}
.est-cost-card-title{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 8px}
.est-cost-card-value{font-size:22px;font-weight:700;color:#fff}
.est-cost-card-value.positive{color:#6abf69}
.est-cost-card-value.negative{color:#ef4444}
.est-cost-card-sub{font-size:12px;color:var(--muted);margin:4px 0 0}

.est-cost-table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;margin:12px 0}
.est-cost-table th{text-align:left;padding:10px 12px;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid rgba(140,106,62,.12);background:rgba(46,49,54,.4)}
.est-cost-table th:first-child{border-radius:10px 0 0 0}
.est-cost-table th:last-child{border-radius:0 10px 0 0}
.est-cost-table td{padding:10px 12px;color:var(--ash);border-bottom:1px solid rgba(181,183,185,.06)}
.est-cost-table tr:hover td{background:rgba(140,106,62,.04)}
.est-cost-variance{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:5px;font-size:11px;font-weight:700}
.est-cost-variance.under{background:rgba(106,191,105,.1);color:#6abf69}
.est-cost-variance.over{background:rgba(239,68,68,.1);color:#ef4444}
.est-cost-variance.neutral{background:rgba(181,183,185,.08);color:var(--muted)}

/* ── RFQ Generation Panel ── */
.est-rfq-gen{background:rgba(140,106,62,.06);border:1px solid rgba(140,106,62,.2);border-radius:12px;padding:18px;margin:16px 0}
.est-rfq-gen-title{font-size:13px;font-weight:700;color:var(--bronze);margin:0 0 12px;text-transform:uppercase;letter-spacing:.03em;display:flex;align-items:center;gap:6px}
.est-rfq-gen-title svg{width:14px;height:14px}
.est-rfq-gen-items{display:grid;gap:6px;margin:0 0 14px}
.est-rfq-gen-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:rgba(46,49,54,.4);border:1px solid rgba(140,106,62,.1);border-radius:8px;font-size:12px}
.est-rfq-gen-item input[type="checkbox"]{accent-color:var(--bronze);width:16px;height:16px}
.est-rfq-gen-item-name{flex:1;color:#fff;font-weight:600}
.est-rfq-gen-item-cat{color:var(--muted);font-size:11px}
.est-rfq-gen-item-qty{color:var(--bronze);font-weight:700}

/* ── Supplier Quote Cards ── */
.est-quote-list{display:grid;gap:10px}
.est-quote-card{background:linear-gradient(135deg,rgba(46,49,54,.55) 0%,rgba(30,32,35,.65) 100%);border:1px solid rgba(140,106,62,.15);border-radius:var(--r);padding:16px;transition:border-color .2s}
.est-quote-card:hover{border-color:rgba(140,106,62,.3)}
.est-quote-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:0 0 10px;flex-wrap:wrap}
.est-quote-supplier{font-size:14px;font-weight:700;color:#fff}
.est-quote-supplier-meta{font-size:12px;color:var(--muted);margin:2px 0 0}
.est-quote-price{font-size:18px;font-weight:700;color:var(--bronze)}
.est-quote-items{display:grid;gap:4px;margin:0 0 10px}
.est-quote-item{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;background:rgba(15,17,20,.2);border-radius:6px;font-size:12px;color:var(--ash)}
.est-quote-item-price{font-weight:700;color:#fff}
.est-quote-status{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.est-quote-status.pending{background:rgba(99,179,237,.12);color:#63b3ed}
.est-quote-status.accepted{background:rgba(106,191,105,.12);color:#6abf69}
.est-quote-status.declined{background:rgba(239,68,68,.12);color:#ef4444}
.est-quote-actions{display:flex;gap:8px;margin:10px 0 0}

/* ── Upload Drawing Modal ── */
.est-modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:1000;align-items:center;justify-content:center;padding:16px}
.est-modal-overlay.open{display:flex}
.est-modal{background:var(--graphite);border:1px solid rgba(140,106,62,.3);border-radius:16px;padding:0;max-width:560px;width:100%;box-shadow:0 24px 48px rgba(0,0,0,.4);max-height:90vh;display:flex;flex-direction:column}
.est-modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(140,106,62,.15)}
.est-modal-head h3{font-size:17px;font-weight:700;color:#fff;margin:0;display:flex;align-items:center;gap:8px}
.est-modal-head h3 svg{width:20px;height:20px;color:var(--bronze)}
.est-modal-close{background:none;border:none;color:var(--muted);font-size:24px;cursor:pointer;padding:0;line-height:1}
.est-modal-close:hover{color:#fff}
.est-modal-body{padding:20px 24px;overflow-y:auto;flex:1}
.est-modal-actions{display:flex;gap:10px;justify-content:flex-end;padding:16px 24px;border-top:1px solid rgba(140,106,62,.12)}

/* ── Form Fields ── */
.est-field{margin:0 0 16px}
.est-field label{display:block;font-size:12px;font-weight:650;color:var(--muted);margin:0 0 5px;text-transform:uppercase;letter-spacing:.03em}
.est-field .input,.est-field select,.est-field textarea{width:100%;padding:10px 14px;border-radius:10px;font-size:14px;color:#fff;background:rgba(46,49,54,.6);border:1px solid rgba(140,106,62,.2);transition:border-color .2s;font-family:inherit;box-sizing:border-box}
.est-field .input:focus,.est-field select:focus,.est-field textarea:focus{outline:none;border-color:var(--bronze)}
.est-field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238C6A3E' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.est-field textarea{resize:vertical;min-height:70px}
.est-field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ── Empty State ── */
.est-empty{text-align:center;padding:48px 20px;color:var(--muted)}
.est-empty svg{width:48px;height:48px;color:rgba(140,106,62,.25);margin:0 0 12px}
.est-empty p{font-size:14px;margin:0 0 8px}

/* ── Status Messages ── */
.est-status-msg{display:none;padding:10px 14px;border-radius:10px;font-size:13px;margin:12px 0 0}
.est-status-msg.success{display:block;background:rgba(106,191,105,.1);color:#6abf69;border:1px solid rgba(106,191,105,.2)}
.est-status-msg.error{display:block;background:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.2)}

/* ── Responsive ── */
@media(max-width:768px){
  .est-stats{grid-template-columns:repeat(2,1fr)}
  .est-drawings{grid-template-columns:1fr}
  .est-material-row{grid-template-columns:1fr 1fr;gap:8px}
  .est-material-row>:first-child{grid-column:1/-1}
  .est-cost-grid{grid-template-columns:repeat(2,1fr)}
  .est-field-row{grid-template-columns:1fr}
  .est-quote-head{flex-direction:column;gap:6px}
}
@media(max-width:520px){
  .est-stats{grid-template-columns:1fr 1fr}
  .est-header{flex-direction:column;align-items:flex-start}
  .est-material-row{grid-template-columns:1fr}
  .est-cost-grid{grid-template-columns:1fr}
  .est-modal{max-width:100%;border-radius:12px}
  .est-modal-head{padding:16px}
  .est-modal-body{padding:16px}
  .est-modal-actions{padding:12px 16px}
}

/* ── Mobile Field Optimization ── */
@media(max-width:900px){
  /* Touch targets */
  .est-tab{min-height:44px;padding:10px 16px;font-size:13px}
  .est-drawing-btn{min-height:44px;padding:10px 16px;font-size:13px}
  .est-material-action{min-height:44px;padding:8px 14px;font-size:13px}
  .est-modal-close{min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}
  /* Form inputs: prevent iOS zoom */
  .est-field .input,.est-field select,.est-field textarea{font-size:16px;min-height:48px;padding:12px 14px}
  .est-rfq-gen-item input[type="checkbox"]{width:20px;height:20px}
  /* Cards: readable for field use */
  .est-drawing-card{padding:18px}
  .est-drawing-name{font-size:15px}
  .est-drawing-meta{font-size:13px}
  .est-phase{padding:18px}
  .est-quote-card{padding:18px}
  .est-quote-supplier{font-size:15px}
  /* Table cells: readable outdoors */
  .est-takeoff-table td,.est-cost-table td{padding:12px;font-size:14px}
  /* Full-width modal actions */
  .est-modal-actions{flex-direction:column}
  .est-modal-actions .btn,.est-modal-actions button{width:100%;min-height:44px;font-size:14px}
}