*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;background:#1A1F2E}
:root{
  --sidebar:#1A1F2E;--sidebar-hover:#252B3B;--sidebar-active:#2D3548;
  --sidebar-border:rgba(255,255,255,0.07);
  --bg:#F4F6F9;--surface:#FFFFFF;--surface2:#F0F2F5;--surface3:#E4E8EF;
  --border:rgba(0,0,0,0.09);--border-md:rgba(0,0,0,0.15);
  --text:#0D1117;--text2:#2D3748;--text3:#718096;
  --blue:#2B7DD4;--blue-dk:#1A5FA0;--blue-lt:#EBF4FF;
  --green:#2D9653;--green-lt:#EDFAF3;
  --amber:#C07D0A;--amber-lt:#FEF9EC;
  --red:#C03A3A;--red-lt:#FEF0F0;
  --purple:#5B4ACF;--purple-lt:#F0EEFF;
  --teal:#1A8C7A;--teal-lt:#EAFAF7;
  --r:10px;--r-sm:7px;--r-xs:5px;
  --shadow:0 1px 4px rgba(0,0,0,.08),0 2px 12px rgba(0,0,0,.05);
  --fs:15px;--fs-sm:14px;--fs-xs:13px;--fs-lg:17px;
}
body{font-family:-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;font-size:var(--fs);color:var(--text);background:var(--bg)}

/* ── Layout ─────────────────────────────────────────────── */
.app{display:flex;height:100vh;width:100%;overflow:hidden}
.sidebar{width:230px;background:var(--sidebar);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;flex-shrink:0;height:100vh}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;background:var(--bg);height:100vh}
.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 22px;flex-shrink:0;gap:10px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.content{flex:1;overflow-y:auto;padding:22px}

/* ── Sidebar dark ───────────────────────────────────────── */
.logo{padding:20px 18px 15px;border-bottom:1px solid var(--sidebar-border)}
.logo-name{font-size:18px;font-weight:800;color:#FFFFFF;letter-spacing:-.3px}
.logo-tag{font-size:10px;color:#6B7594;margin-top:2px;text-transform:uppercase;letter-spacing:.8px}
.nav-section{font-size:10px;font-weight:700;color:#6B7594;text-transform:uppercase;letter-spacing:.8px;padding:14px 18px 5px}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 18px;font-size:13px;color:#D0D6E8;cursor:pointer;border-left:3px solid transparent;transition:all .15s;user-select:none}
.nav-item:hover{background:var(--sidebar-hover);color:#FFFFFF}
.nav-item.active{background:var(--sidebar-active);color:#FFFFFF;border-left-color:#4A9EFF;font-weight:600}
.sidebar-footer{margin-top:auto;padding:14px 16px;border-top:1px solid var(--sidebar-border)}
.user-row{display:flex;align-items:center;gap:10px}
.user-name{font-size:13px;font-weight:600;color:#FFFFFF}
.user-role{font-size:11px;color:#6B7594}

/* ── Avatar ─────────────────────────────────────────────── */
.av{border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.av-sm{width:30px;height:30px;font-size:11px}
.av-md{width:36px;height:36px;font-size:13px}
.av-0{background:#EBF4FF;color:#2B7DD4}
.av-1{background:#EDFAF3;color:#2D9653}
.av-2{background:#FEF9EC;color:#C07D0A}
.av-3{background:#F0EEFF;color:#5B4ACF}
.av-4{background:#E4E8EF;color:#4A5568}

/* ── Buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:var(--r-sm);font-size:var(--fs-xs);font-weight:500;cursor:pointer;border:1px solid var(--border-md);background:var(--surface);color:var(--text);font-family:inherit;transition:all .15s;white-space:nowrap;text-decoration:none;line-height:1.4}
.btn:hover{background:var(--surface2)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dk)}
.btn-danger{background:#FEF0F0;color:#C03A3A;border-color:rgba(192,58,58,.3)}
.btn-danger:hover{background:#FDDEDE}
.btn-wa{background:#25D366;color:#fff;border-color:#25D366;padding:8px 12px}
.btn-wa:hover{background:#1aad54}
.btn-email{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-sm{padding:6px 11px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px}
.btn-icon{width:30px;height:30px;padding:0;justify-content:center;flex-shrink:0}

/* ── Cards ──────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:16px}
.card-body{padding:18px 22px}
.card-header{padding:13px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-title{font-size:14px;font-weight:700;color:var(--text)}

/* ── Metrics ────────────────────────────────────────────── */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:20px}
.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;cursor:pointer;transition:all .15s;box-shadow:var(--shadow)}
.metric:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.metric-label{font-size:11px;color:var(--text3);margin-bottom:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px}
.metric-val{font-size:38px;font-weight:800;line-height:1}
.mv-new{color:#2B7DD4}.mv-pending{color:#C07D0A}.mv-followup{color:#5B4ACF}
.mv-warranty{color:#1A8C7A}.mv-closed{color:#2D9653}

/* ── Table ──────────────────────────────────────────────── */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;padding:11px 18px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;background:#F8FAFC}
tbody td{padding:13px 18px;border-bottom:1px solid var(--border);font-size:var(--fs-sm);vertical-align:middle;color:var(--text)}
tbody tr:last-child td{border-bottom:none}
tbody tr.r-click:hover td{background:#F0F7FF;cursor:pointer}
tbody tr.r-plain:hover td{background:none;cursor:default}

/* ── Badges ─────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.b-new{background:#EBF4FF;color:#1A5FA0}
.b-pending{background:#FEF9EC;color:#92600A}
.b-followup{background:#F0EEFF;color:#4538A8}
.b-warranty{background:#EAFAF7;color:#147A6A}
.b-closed{background:#EDFAF3;color:#216B3C}
.b-high{background:#FEF0F0;color:#A02828}
.b-medium{background:#EBF4FF;color:#1A5FA0}
.b-low{background:#F0F2F5;color:#718096}
.b-admin{background:#F0EEFF;color:#4538A8}
.b-staff{background:#F0F2F5;color:#4A5568}
.b-ok{background:#EDFAF3;color:#216B3C}
.b-warn{background:#FEF9EC;color:#92600A}
.b-danger{background:#FEF0F0;color:#A02828}
.b-imported{background:#EDFAF3;color:#216B3C}
.b-updated{background:#EBF4FF;color:#1A5FA0}
.b-failed{background:#FEF0F0;color:#A02828}

/* ── Timeline ───────────────────────────────────────────── */
.timeline{list-style:none}
.tl-item{display:flex;gap:12px;padding-bottom:18px;position:relative}
.tl-item:not(:last-child)::before{content:'';position:absolute;left:14px;top:30px;bottom:0;width:1px;background:var(--border)}
.tl-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;font-weight:700}
.tl-open{background:#EBF4FF;color:#2B7DD4}
.tl-note{background:#F0F2F5;color:#4A5568}
.tl-assign{background:#F0EEFF;color:#5B4ACF}
.tl-close{background:#EDFAF3;color:#2D9653}
.tl-status_change{background:#F0F2F5;color:#4A5568}
.tl-whatsapp{background:#E8FBF0;color:#1A8040}
.tl-email{background:#EBF4FF;color:#2B7DD4}
.tl-upload{background:#FEF9EC;color:#C07D0A}
.tl-hardware{background:#EAFAF7;color:#1A8C7A}
.tl-system{background:#F8FAFC;color:#718096}
.tl-body{flex:1;min-width:0}
.tl-who{font-size:13px;font-weight:700;color:var(--text)}
.tl-date{font-size:11px;color:var(--text3);margin-left:8px}
.tl-msg{font-size:13px;color:var(--text2);margin-top:3px;word-break:break-word;line-height:1.5}

/* ── Modal ──────────────────────────────────────────────── */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}
.modal{background:var(--surface);border-radius:var(--r);border:1px solid var(--border);width:560px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}
.modal-lg{width:700px}.modal-xl{width:840px}
.modal-header{padding:16px 22px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;justify-content:space-between;gap:12px;position:sticky;top:0;background:var(--surface);z-index:1}
.modal-title{font-size:16px;font-weight:700;color:var(--text)}
.modal-sub{font-size:12px;color:var(--text3);margin-top:3px}
.modal-body{padding:20px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;position:sticky;bottom:0;background:var(--surface)}

/* ── Forms ──────────────────────────────────────────────── */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fg{margin-bottom:14px}
.fg:last-child{margin-bottom:0}
.fl{font-size:12px;font-weight:600;color:var(--text2);display:block;margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--border-md);border-radius:var(--r-sm);font-size:var(--fs-sm);background:var(--surface);color:var(--text);font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(43,125,212,.12)}
input:disabled,select:disabled{background:var(--surface2);color:var(--text3);cursor:not-allowed}
input::placeholder,textarea::placeholder{color:var(--text3)}
textarea{resize:vertical;min-height:76px;line-height:1.5}
.fsec{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.6px;padding:12px 0 8px;border-bottom:1px solid var(--border);margin-bottom:14px;margin-top:8px;display:flex;align-items:center;justify-content:space-between}

/* ── Expiry warning ─────────────────────────────────────── */
.expiry-warn{background:#FEF9EC;border:1px solid #F5C842;border-radius:var(--r-sm);padding:11px 15px;margin:6px 0;font-size:var(--fs-sm);color:#7A4F00;line-height:1.5}
.expiry-warn strong{display:block;margin-bottom:2px}
.expiry-expired{background:#FEF0F0;border-color:#F5A0A0;color:#7A0000}

/* ── Hardware ───────────────────────────────────────────── */
.hw-item{background:#F8FAFC;border:1px solid var(--border);border-radius:var(--r-sm);padding:13px 16px;margin-bottom:9px}
.hw-item-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.hw-desc{font-weight:700;font-size:var(--fs-sm);color:var(--text)}
.hw-serial{font-size:12px;color:var(--text3);margin-top:3px}
.hw-photo{width:66px;height:66px;object-fit:cover;border-radius:var(--r-xs);cursor:pointer;border:1px solid var(--border-md)}
.hw-form{background:#F0F7FF;border:1px solid #C3DCFA;border-radius:var(--r-sm);padding:15px;margin-top:10px}

/* ── Attachments ────────────────────────────────────────── */
.attach-zone{border:1.5px dashed var(--border-md);border-radius:var(--r-sm);padding:18px;text-align:center;cursor:pointer;transition:all .15s;background:#F8FAFC}
.attach-zone:hover{border-color:var(--blue);background:#F0F7FF}
.attach-zone p{font-size:var(--fs-sm);color:var(--text3)}
.attach-item{display:flex;align-items:center;gap:10px;padding:9px 13px;border:1px solid var(--border);border-radius:var(--r-xs);background:#F8FAFC;font-size:var(--fs-sm);margin-bottom:7px;cursor:pointer;transition:background .12s}
.attach-item:hover{background:#F0F7FF}
.attach-icon{width:30px;height:30px;border-radius:var(--r-xs);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.a-img{background:#EBF4FF;color:#2B7DD4}
.a-pdf{background:#FEF0F0;color:#C03A3A}
.a-xls{background:#EDFAF3;color:#2D9653}
.a-doc{background:#EBF4FF;color:#2B7DD4}
.a-file{background:#F0F2F5;color:#4A5568}
.attach-thumb{width:48px;height:48px;object-fit:cover;border-radius:var(--r-xs);cursor:pointer;flex-shrink:0;border:1px solid var(--border)}

/* ── Search & filters ───────────────────────────────────── */
.filter-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px;display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.filter-grp{display:flex;flex-direction:column;gap:5px}
.filter-lbl{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px}
.import-result{max-height:320px;overflow-y:auto;margin-top:10px}

/* ── Tabs ───────────────────────────────────────────────── */
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:16px;overflow-x:auto}
.tab{padding:9px 16px;font-size:var(--fs-sm);font-weight:500;color:var(--text3);cursor:pointer;border-bottom:2.5px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:all .15s}
.tab:hover{color:var(--text)}
.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:700}

/* ── Misc ───────────────────────────────────────────────── */
.locked-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;background:#FEF0F0;color:#A02828;border-radius:20px;font-size:12px;font-weight:600}
#ptitle{font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.3px}
.hidden{display:none!important}
.flex{display:flex;align-items:center}
.gap-4{gap:4px}.gap-6{gap:6px}.gap-8{gap:8px}.gap-12{gap:12px}
.muted{color:var(--text3)}.small{font-size:12px}.bold{font-weight:600}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.divider{height:1px;background:var(--border);margin:14px 0}
.empty{text-align:center;padding:40px 20px;color:var(--text3);font-size:var(--fs-sm)}

/* ── Toast ──────────────────────────────────────────────── */
.toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:#fff;padding:12px 18px;border-radius:var(--r-sm);font-size:var(--fs-sm);z-index:999;box-shadow:var(--shadow-md);animation:slideUp .2s ease;max-width:340px}
.toast.success{background:#216B3C;color:#fff}
.toast.error{background:#A02828;color:#fff}
@keyframes slideUp{from{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── Sidebar sign out btn ───────────────────────────────── */
.btn-signout{background:rgba(255,255,255,.08);color:#D0D6E8;border-color:rgba(255,255,255,.12)}
.btn-signout:hover{background:rgba(255,255,255,.15);color:#fff}

/* ── Responsive ─────────────────────────────────────────── */
@media(max-width:768px){
  .sidebar{display:none}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .form-row{grid-template-columns:1fr}
  .content{padding:14px}
  .modal,.modal-lg,.modal-xl{width:100%}
}
@media(max-width:480px){.metrics{grid-template-columns:1fr 1fr}}