:root{
  --blue:#1F7BB6;
  --blue-dark:#175E8C;
  --blue-light:#E7F2F9;
  --green:#2E9E3F;
  --green-dark:#227A31;
  --green-light:#EAF7EC;
  --ink:#1B2733;
  --muted:#6B7A85;
  --border:#E4E9ED;
  --bg:#F4F7F9;
  --white:#FFFFFF;
  --danger:#E74C3C;
  --amber:#F39C12;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 2px 10px rgba(27,39,51,.06);
  --shadow-md:0 10px 28px rgba(27,39,51,.10);
  --brand-gradient:linear-gradient(90deg,var(--blue) 0%,var(--green) 100%);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:14.5px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-weight:700;letter-spacing:-.01em}
a{color:var(--blue);text-decoration:none;transition:color .15s}
a:hover{color:var(--blue-dark)}
img{max-width:100%}

/* ---------- Layout ---------- */
.sp-topbar{
  height:64px;background:var(--white);border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:20;
  box-shadow:0 1px 0 rgba(27,39,51,.03);
}
.sp-topbar::after{
  content:'';position:absolute;left:0;right:0;top:64px;height:3px;background:var(--brand-gradient);
}
.sp-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);flex-shrink:0}
.sp-brand img{height:32px;filter:drop-shadow(0 1px 2px rgba(27,39,51,.12))}
.sp-brand span{font-size:15.5px;letter-spacing:-.01em}
.sp-main{width:100%;margin:0 auto;padding:28px 32px 60px;flex:1}

/* ---------- Top navigation links ---------- */
.sp-nav{display:flex;gap:4px;flex:1;margin-left:24px}
.sp-nav a{
  display:flex;align-items:center;gap:7px;padding:8px 15px;border-radius:var(--radius-sm);
  font-size:13.5px;font-weight:600;color:var(--muted);transition:.15s;
}
.sp-nav a:hover{background:var(--blue-light);color:var(--blue-dark)}
.sp-nav a.active{background-image:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 2px 8px rgba(31,123,182,.3)}
.sp-nav-toggle{display:none;background:none;border:none;font-size:18px;color:var(--muted);cursor:pointer}

/* ---------- User avatar / dropdown ---------- */
.sp-user-menu{position:relative;flex-shrink:0}
.sp-user-trigger{
  display:flex;align-items:center;gap:9px;background:none;border:none;cursor:pointer;
  padding:6px 10px 6px 6px;border-radius:24px;transition:.15s;
}
.sp-user-trigger:hover{background:var(--bg)}
.sp-avatar{
  width:32px;height:32px;border-radius:50%;background-image:linear-gradient(135deg,var(--blue),var(--green));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;
  box-shadow:0 2px 6px rgba(27,39,51,.15);
}
.sp-avatar-lg{width:44px;height:44px;font-size:17px}
.sp-user-name{font-size:13.5px;font-weight:600;color:var(--ink)}
.sp-caret{font-size:10px;color:var(--muted)}
.sp-user-dropdown{
  display:none;position:absolute;top:calc(100% + 10px);right:0;min-width:230px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);
  overflow:hidden;z-index:30;
}
.sp-user-dropdown.open{display:block;animation:sp-fade-in .15s ease}
@keyframes sp-fade-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.sp-user-dropdown-head{display:flex;align-items:center;gap:11px;padding:16px;border-bottom:1px solid var(--border);background:var(--bg)}
.sp-user-dropdown-name{font-weight:700;font-size:13.5px}
.sp-user-dropdown-role{font-size:12px;color:var(--muted)}
.sp-user-dropdown-link{
  display:flex;align-items:center;gap:9px;padding:12px 16px;font-size:13.5px;color:var(--ink);font-weight:500;
}
.sp-user-dropdown-link:hover{background:var(--blue-light);color:var(--blue-dark)}

/* ---------- Footer ---------- */
.sp-footer{
  text-align:center;padding:18px;color:var(--muted);font-size:12.5px;
  border-top:1px solid var(--border);background:#fff;
}

body{display:flex;flex-direction:column;min-height:100vh}

/* ---------- Login page ---------- */
.sp-login-body{background:linear-gradient(135deg,var(--blue) 0%,var(--green-dark) 100%);min-height:100vh;display:flex}
.sp-login-wrap{margin:auto;padding:20px;width:100%;max-width:400px}
.sp-login-card{background:#fff;border-radius:calc(var(--radius) + 4px);box-shadow:0 25px 60px rgba(0,0,0,.28);padding:44px 36px;text-align:center}
.sp-login-logo{height:56px;margin-bottom:18px}
.sp-login-card h2{margin:0 0 6px;font-size:20px}
.sp-login-card .text-muted{margin-bottom:22px;font-size:13.5px}
.sp-login-card form{text-align:left}
.sp-login-remember label{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);font-weight:500;cursor:pointer}
.sp-login-remember input{width:auto}

@media (max-width:860px){
  .sp-nav{
    display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:#fff;
    border-bottom:1px solid var(--border);padding:8px;box-shadow:var(--shadow);margin-left:0;
  }
  .sp-nav.open{display:flex}
  .sp-nav-toggle{display:block}
  .sp-user-name{display:none}
}

/* ---------- Bootstrap-grid-like helpers (kept so existing markup
   using .container-fluid/.row/.col-sm-N still lays out sanely) ---------- */
.container-fluid{width:100%;padding:0}
.row{display:flex;flex-wrap:wrap;margin:0 -8px}
.row > [class*="col-"]{padding:0 8px}
.col-sm-3,.col-sm-4,.col-sm-6,.col-sm-8,.col-sm-9,.col-sm-12,.col-12{width:100%}
@media (min-width:640px){
  .col-sm-3{width:25%}
  .col-sm-4{width:33.333%}
  .col-sm-6{width:50%}
  .col-sm-8{width:66.667%}
  .col-sm-9{width:75%}
  .col-sm-12{width:100%}
}

/* ---------- Page title block ---------- */
.page-title{margin-bottom:22px;position:relative;padding-left:14px}
.page-title::before{
  content:'';position:absolute;left:0;top:2px;bottom:2px;width:4px;border-radius:4px;background:var(--brand-gradient);
}
.page-title h3{margin:0;font-size:22px;font-weight:800;letter-spacing:-.015em}

/* ---------- Cards ---------- */
.card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:20px;transition:box-shadow .2s,transform .2s;
}
.card-header{padding:17px 22px;border-bottom:1px solid var(--border);position:relative}
.card-header h5{margin:0;font-size:15px;font-weight:700}
.card-body{padding:22px}

/* ---------- Forms ---------- */
.form-group{margin-bottom:16px}
.form-group.row{align-items:flex-start}
.control-label{font-weight:600;font-size:13.5px;padding-top:10px}
.form-control,select,textarea,input[type="text"],input[type="file"]{
  width:100%;padding:10px 13px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
.form-control:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3.5px var(--blue-light)}
textarea{min-height:110px;resize:vertical}
select.form-control{appearance:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  padding:9px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:13.5px;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;line-height:1.2;text-decoration:none;
}
.btn-primary{background:var(--blue);background-image:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 2px 8px rgba(31,123,182,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 5px 14px rgba(31,123,182,.36);color:#fff}
.btn-success{background:var(--green);background-image:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;box-shadow:0 2px 8px rgba(46,158,63,.28)}
.btn-success:hover{transform:translateY(-1px);box-shadow:0 5px 14px rgba(46,158,63,.36);color:#fff}
.btn-warning{background:#fff;border-color:var(--border);color:var(--ink)}
.btn-warning:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}
.btn-danger{background:var(--danger);color:#fff}
.btn-secondary{background:var(--blue-light);color:var(--blue-dark);font-weight:700}
.btn-secondary:hover{background:var(--blue);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:6px 13px;font-size:12.5px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ---------- Tables ---------- */
.table-responsive{overflow-x:auto}
table.display{width:100%;border-collapse:collapse;font-size:13.5px}
table.display th{
  text-align:left;padding:13px 14px;background:var(--bg);color:var(--muted);
  font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;font-weight:700;border-bottom:1px solid var(--border);
}
table.display td{padding:14px;border-bottom:1px solid var(--border);vertical-align:middle}
table.display tbody tr{transition:background .15s}
table.display tbody tr:nth-child(even){background:#FBFCFD}
table.display tbody tr:hover td{background:var(--blue-light)}
table.display tbody tr:last-child td{border-bottom:none}
table.display td:first-child{color:var(--muted);font-weight:600}
table.display .subject-cell{font-weight:600;color:var(--ink)}

/* ---------- Status badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:20px;font-size:11.5px;font-weight:700}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85}
.badge-light-secondary{background:#EEF1F3;color:var(--muted)}
.badge-light-primary{background:var(--blue-light);color:var(--blue-dark)}
.badge-light-warning{background:#FEF3E0;color:#B4720A}
.badge-light-info{background:#E7F5FB;color:#1774A6}
.badge-light-success{background:var(--green-light);color:var(--green-dark)}

/* ---------- File upload chips ---------- */
#uploaded-files{display:flex;flex-wrap:wrap;gap:10px}
.uploaded-file{
  position:relative;width:84px;height:84px;border:1px solid var(--border);border-radius:var(--radius-sm);
  overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;
}
.uploaded-file img{width:100%;height:100%;object-fit:cover}
.uploaded-file .remove-file{
  position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.6);
  color:#fff;border:none;font-size:11px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.uploaded-file a{font-size:10px;text-align:center;padding:0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}

/* ---------- Voice recorder ---------- */
.voice-recorder{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}
.voice-recorder .timer{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:10px;color:var(--ink)}
.record-btn{
  width:64px;height:64px;border-radius:50%;border:none;background:var(--danger);color:#fff;
  font-size:22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.record-btn.recording{animation:sp-pulse 1.2s infinite}
@keyframes sp-pulse{0%{box-shadow:0 0 0 0 rgba(231,76,60,.5)}70%{box-shadow:0 0 0 14px rgba(231,76,60,0)}100%{box-shadow:0 0 0 0 rgba(231,76,60,0)}}
.action-btn{width:42px;height:42px;border-radius:50%;padding:0;margin:0 5px}
.audio-player{margin-top:16px}
.audio-player audio{width:100%}

/* ---------- Ticket thread ---------- */
.ticket-header{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 22px;border-bottom:1px solid var(--border);
}
.view-ticket .card-title{font-size:17px;margin:0 0 6px}
.ticket-actions{display:flex;gap:8px;flex-shrink:0}
.ticket-subject{color:var(--muted);font-size:13.5px}

.ticket-thread{padding:6px 22px 4px}
.ticket-reply{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--border)}
.ticket-reply:last-child{border-bottom:none}
.reply-avatar{width:38px;height:38px;font-size:14px;flex-shrink:0;margin-top:2px}
.reply-body{flex:1;min-width:0}
.ticket-reply .posted-by{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.ticket-reply .posted-by-name{font-weight:700;color:var(--ink);font-size:13.5px}
.ticket-reply .message{font-size:14px;line-height:1.6;color:var(--ink)}
.empty-thread{padding:24px 0;text-align:center;font-size:13.5px}

.attachments{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);font-size:13px}
.attachment-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.attachment-list li{border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px;background:var(--bg)}
.attachment-list audio{height:34px;width:220px}

.file-input-wrap{
  border:1px dashed var(--border);border-radius:var(--radius-sm);padding:10px 12px;background:var(--bg);
}

/* ---------- Sidebar filter card ---------- */
.card-sidebar .list-group-item{
  display:flex;align-items:center;gap:8px;padding:10px 14px;font-size:13.5px;color:var(--ink);border-radius:var(--radius-sm);
}
.card-sidebar .list-group-item:hover{background:var(--blue-light)}
.card-sidebar .list-group-item .fa-circle{font-size:8px;color:var(--muted)}
.card-sidebar .badge{margin-left:auto}

@media (max-width:860px){
  .ticket-details-row{flex-direction:column}
  .ticket-header{flex-direction:column}
  .ticket-actions{width:100%}
}
.ticket-thread .message{max-width:900px}

/* ---------- Toast (#myModal) ---------- */
.sp-toast{position:fixed;top:20px;right:20px;z-index:999;max-width:340px}
.sp-toast .alert{
  padding:12px 16px;border-radius:var(--radius-sm);font-size:13.5px;box-shadow:0 6px 18px rgba(27,39,51,.15);
  position:relative;
}
.alert-success{background:var(--green-light);color:var(--green-dark);border:1px solid #BEE8C4}
.alert-danger{background:#FDEDEC;color:#C0392B;border:1px solid #F5C6C0}
.sp-toast .close{position:absolute;top:6px;right:10px;cursor:pointer;font-size:14px;opacity:.6}
.sp-toast .close:hover{opacity:1}

.text-muted{color:var(--muted)}
.text-center{text-align:center}
.instructions{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:18px;font-size:13.5px}
.instructions ol{margin:8px 0 0;padding-left:20px}
.section-title{font-size:18px;margin-bottom:16px}

/* ---------- Dashboard stat tiles ---------- */
.dash-today-activity .row{display:flex;flex-wrap:wrap;gap:14px;margin:0}
.dash-bg-task{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:none;flex:1 1 150px;min-width:150px;margin:0;transition:.2s;position:relative;overflow:hidden;
}
.dash-bg-task::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-gradient);
  opacity:0;transition:.2s;
}
.dash-bg-task:hover{border-color:transparent;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.dash-bg-task:hover::before{opacity:1}
.dash-widget{display:flex;align-items:center;gap:13px;padding:18px}
.dash-widget-icon{
  width:44px;height:44px;border-radius:12px;background-image:linear-gradient(135deg,var(--blue-light),var(--green-light));
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.dash-widget-icon img{width:22px;height:22px;object-fit:contain}
.dash-widget-title{font-size:12.5px;color:var(--muted);font-weight:600}
.dash-widget-value{font-size:23px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.02em}

/* SLA outstanding banner */
.sla-alert{
  border:1px solid var(--danger);background:#FDEDEC;color:#C0392B;text-align:center;
  padding:16px;border-radius:var(--radius);font-size:16px;font-weight:600;margin-bottom:20px;
}
.sla-alert form{margin-top:12px}

@media (max-width:640px){
  .sp-page-title{display:none}
  .sp-main{padding:16px}
  .dash-bg-task{flex:1 1 45%}
}