*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d0d0d; --surface:#111; --surface2:#1a1a1a; --border:#222;
  --green:#39ff14; --green-dim:#2acc0f; --text:#e0e0e0; --text-muted:#666;
  --red:#ff4444; --blue:#4a9eff; --orange:#ff9a44; --radius:10px;
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
strong{font-weight:600}
small{font-size:12px}

/* Navbar */
.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;
        background:#0a0a0a;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.navbar-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;
              font-weight:700;letter-spacing:1px;text-decoration:none}
.navbar-brand:hover{text-decoration:none}
.navbar-brand em{color:var(--green);font-style:normal}
.navbar-logo{height:32px}
.navbar-links{display:flex;align-items:center;gap:6px}
.navbar-links a{color:var(--text-muted);padding:6px 11px;border-radius:6px;font-size:13px;transition:color .15s}
.navbar-links a:hover{color:#fff;text-decoration:none}

/* Main */
.main-content{padding:28px 32px;max-width:1400px;margin:0 auto}

/* Page header */
.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.page-header h1{font-size:22px;font-weight:700;color:#fff}
.page-sub{color:var(--text-muted);font-size:13px;margin-top:2px}
.header-actions{display:flex;gap:8px}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px}
.card-header{display:flex;align-items:center;justify-content:space-between;
             padding:16px 20px;border-bottom:1px solid var(--border)}
.card-header h2{font-size:15px;font-weight:600;color:#fff}

/* Buttons */
.btn-green{background:var(--green);color:#000;font-weight:700;padding:8px 18px;
           border-radius:6px;border:none;cursor:pointer;font-size:13px;
           display:inline-block;transition:opacity .15s}
.btn-green:hover{opacity:.85;text-decoration:none;color:#000}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border);
           padding:8px 14px;border-radius:6px;cursor:pointer;font-size:13px;transition:all .15s}
.btn-ghost:hover{color:#fff;border-color:#555}
.btn-primary{background:var(--green);color:#000;font-weight:700;padding:11px 20px;
             border-radius:8px;border:none;cursor:pointer;font-size:14px;width:100%;transition:opacity .15s}
.btn-primary:hover{opacity:.85}
.btn-sm{padding:5px 10px;font-size:12px}
.w-full{width:100%}

/* Tabs */
.tabs{display:flex;gap:4px;margin-bottom:16px;flex-wrap:wrap}
.tab{background:transparent;color:var(--text-muted);border:1px solid var(--border);
     padding:6px 14px;border-radius:20px;cursor:pointer;font-size:12px;transition:all .15s}
.tab:hover,.tab.active{background:var(--green);color:#000;border-color:var(--green);font-weight:700}

/* Tables */
.data-table{width:100%;border-collapse:collapse}
.data-table thead th{background:var(--surface2);color:var(--text-muted);font-size:11px;
                      text-transform:uppercase;letter-spacing:.5px;padding:10px 12px;
                      text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.data-table tbody td{padding:10px 12px;border-bottom:1px solid #1a1a1a;vertical-align:middle;color:var(--text)}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody tr:hover td{background:rgba(57,255,20,.03)}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.action-btn{background:var(--surface2);color:var(--text);border:1px solid var(--border);
            padding:4px 10px;border-radius:5px;cursor:pointer;font-size:11px;
            transition:all .15s;white-space:nowrap;text-decoration:none;display:inline-block}
.action-btn:hover{background:#333;text-decoration:none;color:var(--text)}
.action-green{color:var(--green);border-color:var(--green)}
.action-green:hover{background:var(--green);color:#000}
.action-red{color:var(--red);border-color:#441a1a}
.action-red:hover{background:var(--red);color:#fff}

/* Badges */
.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;white-space:nowrap}
.badge-green{background:rgba(57,255,20,.15);color:var(--green)}
.badge-grey{background:rgba(255,255,255,.08);color:var(--text-muted)}
.badge-blue{background:rgba(74,158,255,.15);color:var(--blue)}
.badge-red{background:rgba(255,68,68,.15);color:var(--red)}
.badge-orange{background:rgba(255,154,68,.15);color:var(--orange)}

/* Forms */
.form-group{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.form-group label{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.3px}
.input,select.input,textarea.input{background:var(--surface2);border:1px solid var(--border);
  color:var(--text);padding:9px 12px;border-radius:7px;font-size:13px;
  font-family:var(--font);transition:border-color .15s;width:100%}
.input:focus,select.input:focus,textarea.input:focus{outline:none;border-color:var(--green)}
.input::placeholder{color:var(--text-muted)}
.input-sm{background:var(--surface2);border:1px solid var(--border);color:var(--text);
          padding:6px 10px;border-radius:6px;font-size:12px;font-family:var(--font)}
.input-sm:focus{outline:none;border-color:var(--green)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .span-2{grid-column:span 2}
select option{background:#1a1a1a}

/* Quote builder */
.builder-grid{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.table-wrap{overflow-x:auto}
.items-table td input{background:var(--surface2);border:1px solid var(--border);color:var(--text);
                       padding:5px 7px;border-radius:5px;width:100%;font-size:12px;font-family:var(--font)}
.items-table td input:focus{outline:none;border-color:var(--green)}
.items-table td select{background:var(--surface2);border:1px solid var(--border);color:var(--text);
                        padding:5px 7px;border-radius:5px;font-size:12px;font-family:var(--font)}
.drag-handle{cursor:grab;color:var(--text-muted);font-size:16px;padding:0 4px}
.totals-card{padding:16px 20px}
.totals-card .totals-row{display:flex;justify-content:space-between;align-items:center;
                          padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}
.totals-card .totals-row:last-child{border-bottom:none}
.totals-card .total-final{font-size:18px;font-weight:700;color:#fff}
.totals-card .total-final strong{color:var(--green)}
.margin-positive{color:var(--green);font-weight:600}
.margin-negative{color:var(--red);font-weight:600}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
            padding:40px 36px;width:100%;max-width:400px}
.login-logo{text-align:center;margin-bottom:28px}
.login-brand{font-size:22px;font-weight:700;color:#fff;letter-spacing:2px}
.login-brand span{color:var(--green)}
.alert-error{background:rgba(255,68,68,.1);border:1px solid rgba(255,68,68,.3);
             color:var(--red);padding:10px 14px;border-radius:7px;font-size:13px;margin-bottom:14px}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);display:flex;
               align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;
       padding:24px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal-header h3{font-size:16px;font-weight:700;color:#fff}
.modal-header .btn-ghost{padding:2px 8px;font-size:20px;border:none}

/* Toast */
#toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:8px;
       font-size:13px;font-weight:600;z-index:9999;opacity:0;transition:opacity .3s;max-width:320px}
#toast.show{opacity:1}
#toast.success{background:rgba(57,255,20,.15);border:1px solid var(--green);color:var(--green)}
#toast.error{background:rgba(255,68,68,.15);border:1px solid var(--red);color:var(--red)}

/* Responsive */
@media(max-width:900px){
  .builder-grid{grid-template-columns:1fr}
  .main-content{padding:16px}
  .form-grid{grid-template-columns:1fr}
  .form-grid .span-2{grid-column:span 1}
}