:root{
  --primary:#2563eb;--primary-dark:#1e40af;--primary-light:#3b82f6;--primary-glow:rgba(37,99,235,.15);
  --bg:#f0f4f8;--card:#ffffff;--text:#1a2332;--muted:#64748b;--border:#e2e8f0;
  --success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#06b6d4;
  --sidebar:#0f172a;--sidebar-text:#e2e8f0;--sidebar-hover:rgba(59,130,246,.12);
  --shadow:0 4px 24px rgba(15,23,42,.06);--shadow-lg:0 20px 60px rgba(15,23,42,.1);
  --radius:14px;--radius-sm:10px;--radius-xs:8px;
  --transition:all .25s cubic-bezier(.4,0,.2,1);
  --font:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',sans-serif
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
@keyframes countUp{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
.animate-fade{animation:fadeInUp .4s ease both}
.animate-fade:nth-child(2){animation-delay:.05s}
.animate-fade:nth-child(3){animation-delay:.1s}
.animate-fade:nth-child(4){animation-delay:.15s}

/* Login */
.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#1e40af 100%);position:relative;overflow:hidden}
.login-body::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 70%,rgba(37,99,235,.2),transparent 50%),radial-gradient(circle at 70% 30%,rgba(6,182,212,.15),transparent 50%)}
.login-card{width:min(440px,92vw);background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-radius:24px;padding:40px;box-shadow:0 30px 80px rgba(0,0,0,.3);animation:fadeInUp .5s ease;position:relative;z-index:1}
.brand{text-align:center;margin-bottom:28px}
.brand-logo{width:72px;height:72px;object-fit:contain;border-radius:18px;background:#f8fafc;margin-bottom:12px;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.brand-placeholder{width:72px;height:72px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:inline-grid;place-items:center;font-size:28px;font-weight:900;margin-bottom:12px;box-shadow:0 8px 24px rgba(37,99,235,.3)}
.brand h1{font-size:22px;font-weight:800;letter-spacing:-.02em}
.brand p{color:var(--muted);margin:6px 0 0;font-size:14px}

/* Forms */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:13px;color:var(--text);letter-spacing:.01em}
.form-control,.form-select,textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-xs);background:#fff;font:inherit;color:var(--text);font-size:14px;transition:var(--transition)}
.form-control:focus,.form-select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}
textarea{min-height:120px;resize:vertical}

/* Buttons */
.btn{border:0;border-radius:var(--radius-xs);padding:10px 18px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center;font-size:13px;transition:var(--transition);position:relative;overflow:hidden}
.btn::after{content:'';position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.1),transparent);opacity:0;transition:var(--transition)}
.btn:hover::after{opacity:1}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn-primary:hover{box-shadow:0 6px 20px rgba(37,99,235,.4);transform:translateY(-1px)}
.btn-light{background:#eef2ff;color:#1e3a8a}
.btn-light:hover{background:#dbeafe}
.btn-outline{background:#fff;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#f8faff}
.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff;box-shadow:0 4px 14px rgba(239,68,68,.3)}
.btn-block{width:100%}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:270px;background:var(--sidebar);color:var(--sidebar-text);padding:20px 16px;position:fixed;inset:0 auto 0 0;overflow:auto;z-index:15;border-right:1px solid rgba(255,255,255,.05)}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}
.sidebar .brand-mini{display:flex;align-items:center;gap:12px;margin-bottom:28px;padding:4px 8px}
.sidebar-logo{width:40px;height:40px;border-radius:12px;background:#fff;object-fit:contain}
.sidebar-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#6366f1);display:grid;place-items:center;color:#fff;font-weight:900;font-size:16px;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.sidebar h2{font-size:15px;margin:0;font-weight:700}
.sidebar small{color:#94a3b8;font-size:11px}
.nav{display:grid;gap:3px}
.nav a{padding:11px 14px;border-radius:var(--radius-xs);color:#94a3b8;display:flex;gap:11px;align-items:center;font-size:13px;font-weight:500;transition:var(--transition)}
.nav a:hover{background:var(--sidebar-hover);color:#e2e8f0;transform:translateX(2px)}
.nav a.active{background:linear-gradient(135deg,rgba(37,99,235,.2),rgba(99,102,241,.1));color:#fff;font-weight:600;box-shadow:inset 3px 0 0 var(--primary)}
.nav a i{width:18px;text-align:center;font-size:14px}

/* Main content */
.main{margin-left:270px;flex:1;padding:28px 32px;animation:fadeIn .3s ease}
.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px}
.topbar h1{font-size:26px;font-weight:800;letter-spacing:-.02em}
.topbar p{margin:4px 0 0;color:var(--muted);font-size:14px}
.mobile-menu{display:none}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px;transition:var(--transition);animation:fadeInUp .4s ease both}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card h3{font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}

/* Grid */
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* Stats */
.stat{display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.stat::before{content:'';position:absolute;top:0;right:0;width:80px;height:80px;border-radius:50%;background:var(--primary-glow);transform:translate(20px,-20px)}
.stat .num{font-size:32px;font-weight:900;letter-spacing:-.03em;animation:countUp .5s ease both;background:linear-gradient(135deg,var(--text),var(--primary-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat .label{color:var(--muted);font-weight:600;font-size:13px}
.stat-danger{border-color:#fecaca;border-left:4px solid var(--danger)}
.stat-danger .num{background:linear-gradient(135deg,var(--danger),#b91c1c);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat.compact .num{font-size:26px}

/* Icon */
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#dbeafe);color:var(--primary);font-size:18px}

/* Tables */
.table-wrap{overflow:auto;border-radius:var(--radius-sm)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:13px}
.table th{font-size:11px;text-transform:uppercase;color:var(--muted);letter-spacing:.06em;font-weight:700;background:#f8fafc}
.table tbody tr{transition:var(--transition)}
.table tbody tr:hover{background:#f8faff}
.table tbody tr:last-child td{border-bottom:none}

/* Badges */
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-weight:700;font-size:11px;letter-spacing:.02em;transition:var(--transition)}
.badge-primary{background:#dbeafe;color:#1d4ed8}
.badge-success{background:#d1fae5;color:#065f46}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-danger{background:#fee2e2;color:#991b1c}
.badge-info{background:#cffafe;color:#0e7490}
.badge-purple{background:#ede9fe;color:#5b21b6}
.badge-secondary{background:#f1f5f9;color:#475569}
.badge-dark{background:#1e293b;color:#f1f5f9}

/* Actions & Filters */
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.filters .form-control,.filters .form-select{min-width:120px;flex:1 1 160px}
.filters .btn{flex:0 0 auto}
.filters-wide{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;align-items:end;margin-bottom:16px}
.filters-wide .btn{white-space:nowrap}

/* Flash messages */
.flash{padding:12px 16px;border-radius:var(--radius-xs);margin-bottom:14px;font-weight:600;font-size:13px;animation:slideInLeft .3s ease;display:flex;align-items:center;gap:10px}
.flash::before{font-family:'Font Awesome 6 Free';font-weight:900;font-size:14px}
.flash-success{background:#d1fae5;color:#065f46;border-left:4px solid var(--success)}
.flash-success::before{content:'\f058'}
.flash-danger{background:#fee2e2;color:#991b1c;border-left:4px solid var(--danger)}
.flash-danger::before{content:'\f06a'}
.flash-warning{background:#fef3c7;color:#92400e;border-left:4px solid var(--warning)}
.flash-warning::before{content:'\f071'}
.flash-info{background:#dbeafe;color:#1e40af;border-left:4px solid var(--primary)}
.flash-info::before{content:'\f05a'}

/* Meta & helpers */
.meta{color:var(--muted);font-size:13px}
.hint{background:#f8fafc;border:1.5px dashed var(--border);border-radius:var(--radius-sm);padding:14px;color:var(--muted);font-size:13px}
.field-help{font-size:12px;color:var(--muted);display:block;margin-top:5px}
.description{white-space:pre-line;line-height:1.7}

/* Ticket detail */
.ticket-header{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.ticket-info{display:flex;gap:22px;flex-wrap:wrap}
.comment{border-left:4px solid var(--primary);padding:14px 16px;background:#f8fafc;border-radius:var(--radius-sm);margin-bottom:12px;transition:var(--transition);animation:fadeInUp .3s ease both}
.comment:hover{box-shadow:0 4px 12px rgba(0,0,0,.04)}
.comment.internal{border-color:var(--warning);background:#fffbeb}

/* Attachments */
.attachments{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.attachment{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px;background:#fff;transition:var(--transition)}
.attachment:hover{border-color:var(--primary);box-shadow:0 4px 12px var(--primary-glow)}
.attachment img{width:100%;height:100px;object-fit:cover;border-radius:8px}

/* Charts */
.chart-bars{display:grid;gap:10px}
.bar-row{display:grid;grid-template-columns:160px 1fr 50px;gap:10px;align-items:center;font-size:13px}
.bar{height:12px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:999px;transition:width .6s cubic-bezier(.4,0,.2,1)}

/* SLA */
.sla-card .badge{margin-bottom:18px}
.sla-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.sla-grid small{display:block;color:var(--muted);margin-bottom:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}

/* Timeline */
.timeline{max-height:360px;overflow:auto}
.timeline-item{position:relative;border-left:2px solid #dbeafe;padding:0 0 16px 20px;margin-left:6px;animation:fadeInUp .3s ease both}
.timeline-item:before{content:'';position:absolute;left:-6px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}
.timeline-item .meta{display:block;margin:4px 0}
.timeline-item p{margin:6px 0 0}

/* Quick replies & chips */
.quick-replies{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:15px}
.chip{border:1.5px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;padding:6px 12px;border-radius:999px;cursor:pointer;font-size:12px;font-weight:600;transition:var(--transition)}
.chip:hover{background:#dbeafe;transform:translateY(-1px);box-shadow:0 4px 8px rgba(37,99,235,.15)}
.check-grid{display:flex;gap:22px;flex-wrap:wrap;margin:10px 0 22px}
.form-narrow{max-width:540px}

/* Rating */
.rating{display:flex;direction:rtl;justify-content:flex-end;margin-bottom:18px}
.rating input{display:none}
.rating span{font-size:36px;color:#cbd5e1;cursor:pointer;transition:var(--transition)}
.rating input:checked~span,.rating label:hover span,.rating label:hover~label span{color:#f59e0b;transform:scale(1.1)}
.stars{font-size:28px;color:#f59e0b;margin:10px 0}

/* Pagination */
.pagination{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.pagination a,.pagination span{padding:8px 14px;border-radius:var(--radius-xs);font-size:13px;font-weight:600;border:1.5px solid var(--border);transition:var(--transition)}
.pagination a:hover{border-color:var(--primary);color:var(--primary);background:#f8faff}
.pagination .active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Nav count */
.nav-count{margin-left:auto;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:999px;padding:2px 7px;font-size:11px;font-weight:700;animation:pulse 2s infinite}

/* Reopen inline */
.reopen-inline{display:flex;gap:8px}
.reopen-inline .form-control{min-width:240px}

/* Kanban - styles moved to kanban.html template for drag-and-drop support */

/* Notifications */
.notification-list{display:grid;gap:10px}
.notification-item{margin:0}
.notification-item button{width:100%;text-align:left;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;cursor:pointer;transition:var(--transition)}
.notification-item button:hover{border-color:var(--primary);box-shadow:0 4px 12px var(--primary-glow)}
.notification-item.unread button{border-color:#93c5fd;background:linear-gradient(135deg,#eff6ff,#f0f9ff);border-left:4px solid var(--primary)}
.notification-item p{margin:6px 0 0;font-size:13px}

/* Knowledge base */
.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.article h3{margin:14px 0 8px}
.article .description{max-height:240px;overflow:auto}

/* Loading spinner */
.spinner{width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}

/* Responsive */
@media(max-width:980px){
  .sidebar{transform:translateX(-100%);transition:.3s cubic-bezier(.4,0,.2,1);z-index:20}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.3)}
  .main{margin-left:0;padding:18px}
  .mobile-menu{display:inline-flex}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .filters,.filters-wide{display:flex;flex-direction:column}
  .topbar{align-items:flex-start}
  .ticket-header{display:block}
  .sla-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:110px 1fr 38px}
  .reopen-inline{display:grid}
  .reopen-inline .form-control{min-width:0}
}
@media(max-width:560px){
  .main{padding:14px}
  .topbar{display:block}
  .topbar .actions{margin-top:12px}
  .card{padding:16px;border-radius:var(--radius-sm)}
  .table th:nth-child(3),.table td:nth-child(3){display:none}
  .btn{width:100%}
  .actions .btn{width:auto}
  .login-card{padding:24px}
  .stat .num{font-size:24px}
  .provider-cards{grid-template-columns:1fr}
}

/* Settings tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:22px}
.tab-btn{padding:12px 20px;font-weight:700;cursor:pointer;border:none;background:none;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px;font-size:13px;transition:var(--transition);display:flex;align-items:center;gap:8px}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-panel{display:none;animation:fadeInUp .3s ease}
.tab-panel.active{display:block}

/* Provider cards */
.provider-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}
.provider-card{border:2px solid var(--border);border-radius:var(--radius);padding:18px;cursor:pointer;text-align:center;transition:var(--transition)}
.provider-card:hover{border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 20px var(--primary-glow)}
.provider-card.selected{border-color:var(--primary);background:linear-gradient(135deg,#eff6ff,#f0f9ff);box-shadow:0 4px 16px var(--primary-glow)}
.provider-card i{font-size:28px;margin-bottom:8px;display:block}

/* Email preview */
.email-preview{border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;max-width:600px;margin:0 auto;box-shadow:var(--shadow)}
.email-preview-header{padding:24px;text-align:center}
.email-preview-body{padding:30px;font-size:14px;line-height:1.7}
.email-preview-footer{padding:16px;text-align:center;font-size:12px;color:#64748b;border-top:1px solid var(--border);background:#f8fafc}