:root{
  --navy:#102a43;
  --navy-2:#173d5c;
  --blue:#1677ff;
  --cyan:#35bce8;
  --pale:#f4f7fb;
  --surface:#ffffff;
  --ink:#243b53;
  --muted:#718096;
  --line:#e7edf3;
  --soft:#eef4fb;
  --danger:#d64545;
  --shadow:0 14px 35px rgba(16,42,67,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg,#f7fafe 0%,var(--pale) 100%);
  color:var(--ink);
  font-family:Inter,"Segoe UI",Arial,sans-serif;
}
a{text-decoration:none}

.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:20px 16px;
  background:linear-gradient(180deg,var(--navy),#0b2237);
  color:#fff;
  box-shadow:8px 0 30px rgba(8,25,42,.18);
  overflow-y:auto;
}
.brand-block{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  padding:8px 8px 18px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-block:hover{color:#fff}
.brand-logo{
  width:58px;
  height:58px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:#050607;
  padding:0;
  box-shadow:0 12px 24px rgba(0,0,0,.2);
  overflow:hidden;
}
.brand-logo img{width:100%;height:100%;object-fit:contain;display:block}
.brand-block strong,.brand-block small{display:block}
.brand-block strong{font-size:1.05rem}
.brand-block small{color:#bed4e6;font-size:.75rem;margin-top:2px}

.side-nav{display:grid;gap:6px}
.side-link{
  display:block;
  color:#dbe9f4;
  border-radius:14px;
  padding:11px 12px;
  transition:.16s ease;
  border:1px solid transparent;
}
.side-link span,.side-link small{display:block}
.side-link span{font-weight:750;font-size:.92rem}
.side-link small{font-size:.7rem;color:#9fb8ca;margin-top:2px}
.side-link:hover{
  color:#fff;
  background:rgba(255,255,255,.09);
  transform:translateX(2px);
}
.side-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(22,119,255,.95),rgba(53,188,232,.85));
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 22px rgba(0,0,0,.18);
}
.side-link.active small{color:#eaf7ff}
.side-user{
  margin-top:auto;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:14px;
}
.side-user small,.side-user strong{display:block}
.side-user small{color:#a9c2d3;font-size:.72rem}
.side-user strong{font-size:.9rem;margin:4px 0 8px}
.side-user a{color:#fff;font-size:.82rem;text-decoration:underline}

.app-main{
  min-width:0;
  padding:28px;
}
.mobile-topbar{display:none}

.page-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px 22px;
  box-shadow:var(--shadow);
}
.page-head h1{font-size:1.7rem;font-weight:850;margin:0;color:#18354f}
.page-head p{color:var(--muted);margin:6px 0 0}
.page-head .btn{white-space:nowrap}

.panel,.metric{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:20px;
  box-shadow:var(--shadow);
}
.panel h2{font-size:1.05rem;font-weight:800;margin:0 0 16px;color:#1d3c56}
.metric{
  position:relative;
  min-height:128px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.metric small{color:var(--muted);font-weight:650}
.metric strong{font-size:1.42rem;margin-top:8px;color:#18354f}
.metric-icon{position:absolute;right:18px;top:14px;font-size:1.6rem;color:var(--cyan)}

.table-responsive{
  border-radius:14px;
}
.table{
  margin-bottom:0;
  vertical-align:middle;
}
.table>:not(caption)>*>*{padding:.86rem .9rem}
.table thead th{
  background:#f7fafc;
  color:#6b7f91;
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table tbody td{border-bottom-color:#eef2f6}
.table tbody tr:hover{background:#fbfdff}

.badge.status{
  background:#e8f2ff;
  color:#1261b5;
  padding:.45rem .65rem;
  border-radius:999px;
}
.empty{color:#9aa9b8;text-align:center;padding:2rem!important}
.stock-alert{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #eef2f6}
.stock-alert small{display:block;color:#829ab1}
.stock-alert span,.low{color:var(--danger)}
.avatar{width:44px;height:44px;border-radius:14px;background:#e7f2ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
.client-card p{line-height:1.9;color:#52667a}
.history{border-left:2px solid #d8e7f5;padding:8px 12px;margin-top:10px}
.quantity{font-size:2rem;font-weight:900;color:#18354f}

.btn{border-radius:12px;font-weight:700}
.btn-primary{background:var(--blue);border-color:var(--blue);box-shadow:0 8px 18px rgba(22,119,255,.18)}
.btn-primary:hover{background:#0d64da;border-color:#0d64da}
.btn-light{background:#f2f6fa;border-color:#e4ebf2;color:#24445e}
.form-control,.form-select{
  border-color:#d9e2ec;
  border-radius:12px;
  padding:.72rem .85rem;
}
.form-control:focus,.form-select:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 .18rem rgba(22,119,255,.12);
}
.form-label{font-weight:750;color:#40586d;font-size:.86rem}
.modal-content{border:0;border-radius:18px;box-shadow:0 30px 90px rgba(16,42,67,.22)}
.modal-header,.modal-footer{border-color:#edf2f7}
.modal-header h2{font-size:1.25rem;margin:0;font-weight:850}
.alert{border:0;border-radius:16px}

.quote-stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.quote-stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
  box-shadow:var(--shadow);
  border-top:4px solid var(--blue);
}
.quote-stat.danger{border-top-color:var(--danger)}
.quote-stat small,.quote-stat strong,.quote-stat span{display:block}
.quote-stat small{color:var(--muted);font-weight:750}
.quote-stat strong{font-size:1.35rem;color:#18354f;margin-top:6px}
.quote-stat span{color:#718096;font-size:.78rem;margin-top:3px}
.quote-table-wrap{border:1px solid #edf2f7}
.quote-ref strong,.quote-ref small{display:block}
.quote-ref small{color:#829ab1;margin-top:3px}
.quote-lines-preview{display:grid;gap:7px}
.quote-lines-preview div{line-height:1.3}
.quote-lines-preview small{display:block;color:#718096;margin-top:2px}
.quote-actions .dropdown-menu{border:1px solid var(--line);box-shadow:0 18px 45px rgba(16,42,67,.15);border-radius:14px;padding:8px}
.quote-actions .dropdown-item{border-radius:10px;font-weight:650;font-size:.88rem}
.payment-input{max-width:135px}
.quote-form .modal-body{background:#f8fbfe}
.form-section{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  margin-bottom:16px;
}
.form-section-title{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:#18354f;
}
.form-section-title span{
  width:28px;
  height:28px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--blue);
  color:#fff;
  font-size:.82rem;
  font-weight:900;
}
.form-section-title strong{font-size:1rem}
.quote-subbox{
  background:#f7fafc;
  border:1px dashed #cad7e4;
  border-radius:14px;
  padding:12px;
}
.quote-lines-table .table{min-width:1060px}
.quote-lines-table textarea{min-height:72px}
.sheet-selection-summary{line-height:1.25}
.line-total-preview{
  display:inline-block;
  min-width:92px;
  font-weight:850;
  color:#18354f;
}
.activity-feed{display:grid;gap:10px}
.activity-feed.compact{max-height:430px;overflow:auto;padding-right:3px}
.activity-card{
  display:grid;
  grid-template-columns:54px 1fr;
  gap:12px;
  align-items:start;
  border:1px solid var(--line);
  border-left:4px solid var(--blue);
  border-radius:14px;
  padding:12px;
  background:#fff;
}
.activity-card.success{border-left-color:#1aa36f}
.activity-card.warning{border-left-color:#f59e0b}
.activity-card.danger{border-left-color:var(--danger)}
.activity-time{
  background:#f2f6fa;
  border-radius:10px;
  padding:7px 5px;
  text-align:center;
  font-weight:850;
  color:#18354f;
  font-size:.78rem;
}
.activity-card strong,.activity-card small,.activity-card span{display:block}
.activity-card strong{font-size:.9rem;color:#18354f}
.activity-card small{color:#60758a;margin-top:3px;line-height:1.35}
.activity-card span{color:#9aa9b8;font-size:.72rem;margin-top:5px}
.activity-card a{display:inline-block;margin-top:6px;font-size:.78rem;font-weight:800}
.workflow-list{display:grid;gap:14px}
.workflow-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  background:#fff;
}
.workflow-head{display:flex;justify-content:space-between;gap:12px;align-items:start;margin-bottom:12px}
.workflow-head strong,.workflow-head small{display:block}
.workflow-head small{color:#718096;margin-top:3px}
.workflow-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.workflow-step{
  background:#f7fafc;
  border:1px solid #e8eef5;
  border-radius:12px;
  padding:10px;
  min-height:118px;
}
.workflow-step.done{background:#eefaf4;border-color:#ccefdc}
.workflow-step b{
  width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:#dce8f3;color:#24445e;font-size:.75rem;margin-bottom:7px;
}
.workflow-step.done b{background:#1aa36f;color:#fff}
.workflow-step span{display:block;font-weight:850;font-size:.82rem;color:#18354f}
.workflow-step small{display:block;color:#718096;font-size:.72rem;margin-top:5px;line-height:1.35}

.quote-dept-row{border-left:6px solid var(--dept-color,#8B0000)}
.quote-dept-row>td:first-child{box-shadow:inset 4px 0 0 var(--dept-color,#8B0000)}
.call-followup-form{min-width:270px;max-width:360px}
.call-intervention-box{background:#f8fafc;border-color:#dbe6f0!important}
.call-intervention-box .form-check-input:checked{background-color:#159447;border-color:#159447}

.internal-note-list{display:flex;flex-direction:column;gap:14px}
.internal-note-card{display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px;padding:16px;border:1px solid #e5e7eb;border-left:5px solid #2563eb;border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.06);align-items:start}
.internal-note-card.warning{border-left-color:#f59e0b}
.internal-note-card.danger{border-left-color:#dc2626}
.internal-note-date{min-height:64px;padding:10px;border-radius:14px;background:#f8fafc;text-align:center;color:#475569}
.internal-note-date span,.internal-note-date strong{display:block;line-height:1.25}
.internal-note-date strong{font-size:1.05rem;color:#0f172a}
.internal-note-body{min-width:0}
.internal-note-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.internal-note-top h3{margin:0 0 4px;font-size:1.05rem}
.internal-note-top small{color:#64748b}
.internal-note-body p{margin:.75rem 0 0;white-space:pre-line;color:#334155}
.internal-note-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;flex-shrink:0}

.login-bg{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top right,#1a7898,#102a43 55%)}
.login-card{background:#fff;width:min(410px,92vw);padding:38px;border-radius:22px;box-shadow:0 25px 70px #05152350}
.login-card h1{font-weight:850;margin-top:18px}
.brand-mark{width:112px;height:112px;border-radius:24px;background:#050607;color:white;display:grid;place-items:center;font-weight:900;margin:auto;box-shadow:var(--shadow);padding:0;overflow:hidden}
.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}

@media(max-width:1180px){
  .app-shell{grid-template-columns:245px 1fr}
  .sidebar{padding:16px 12px}
  .side-link{padding:10px}
  .app-main{padding:22px}
}
@media(max-width:920px){
  .app-shell{display:block}
  .sidebar{display:none}
  .mobile-topbar{
    position:sticky;
    top:0;
    z-index:1020;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 16px;
    background:linear-gradient(100deg,var(--navy),var(--navy-2));
    box-shadow:0 8px 22px rgba(16,42,67,.18);
  }
  .mobile-brand{color:#fff;font-weight:900}
  .mobile-brand span{color:var(--cyan)}
  .mobile-nav{display:grid;gap:7px}
  .mobile-nav .side-link{color:#24445e;background:#f6f9fc;border-color:#e4ebf2}
  .mobile-nav .side-link small{color:#829ab1}
  .mobile-nav .side-link.active{color:#fff}
  .mobile-nav .side-link.active small{color:#eaf7ff}
  .app-main{padding:16px}
  .page-head{display:block;padding:18px}
  .page-head h1{font-size:1.38rem}
  .page-head .btn{margin-top:14px;width:100%}
  .panel{padding:15px}
  .table{font-size:.9rem}
  .quote-stat-grid{grid-template-columns:repeat(2,1fr)}
  .workflow-steps{grid-template-columns:1fr}
  .internal-note-card{grid-template-columns:1fr}
  .internal-note-date{text-align:left;min-height:auto}
  .internal-note-top{flex-direction:column}
  .internal-note-actions{justify-content:flex-start}
}
@media(max-width:560px){
  .app-main{padding:12px}
  .panel,.metric{border-radius:15px}
  .table>:not(caption)>*>*{padding:.68rem}
  .quote-stat-grid{grid-template-columns:1fr}
  .quote-stat{padding:14px}
}