:root{--color-bg: #09121b;--color-bg-glow-1: #13263f;--color-bg-glow-2: #20352e;--color-bg-mid: #0e1d2b;--color-bg-end: #12263b;--color-surface: rgba(10, 19, 30, .86);--color-surface-solid: #0a131e;--color-border: rgba(132, 170, 195, .2);--color-text: #edf5fb;--color-text-secondary: #9db0c0;--color-text-soft: #8ca2b4;--color-accent: #35d3aa;--color-accent-strong: #1cad8a;--color-warning: #ffc857;--color-error: #ff6f6f;--color-info: #62a7ff;--color-purple: #863bff;--radius: 10px;--radius-sm: 6px;--shadow: 0 12px 28px rgba(0, 0, 0, .28)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:IBM Plex Sans,Avenir Next,Segoe UI,sans-serif;background:radial-gradient(circle at 12% 0%,var(--color-bg-glow-1),transparent 36%),radial-gradient(circle at 90% 14%,var(--color-bg-glow-2),transparent 28%),linear-gradient(160deg,var(--color-bg) 0%,var(--color-bg-mid) 52%,var(--color-bg-end) 100%);background-attachment:fixed;color:var(--color-text);line-height:1.5;font-size:14px}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#060c13e6;border-right:1px solid var(--color-border);padding:0;flex-shrink:0;display:flex;flex-direction:column;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.sidebar-header{padding:14px 16px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:10px}.sidebar-header img{width:36px;height:36px;object-fit:contain}.sidebar-header span{font-weight:700;font-size:15px;color:var(--color-text);letter-spacing:.01em}.sidebar nav{flex:1;padding:8px 0}.sidebar nav a{display:block;padding:8px 16px;color:var(--color-text-secondary);text-decoration:none;font-size:13px;border-left:3px solid transparent;transition:background .12s,color .12s}.sidebar nav a:hover{background:#ffffff0a;color:var(--color-text)}.sidebar nav a.active{color:var(--color-accent);border-left-color:var(--color-accent);background:#35d3aa14;font-weight:600}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--color-border);font-size:12px;color:var(--color-text-secondary)}.sidebar-footer button{background:none;border:none;color:var(--color-error);cursor:pointer;font-size:12px;padding:4px 0}.main-content{flex:1;padding:24px;overflow-y:auto}.page-title{font-size:20px;font-weight:700;margin-bottom:16px;color:var(--color-text)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--color-border);font-size:13px}th{background:#060c1399;font-weight:600;color:var(--color-text-secondary);font-size:11px;text-transform:uppercase;letter-spacing:.5px}.mono{font-family:SF Mono,Fira Code,Consolas,monospace;font-size:12px}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}.badge-success{background:#083224b3;color:#52f0bb}.badge-warning{background:#503c0aa6;color:#ffd989}.badge-error{background:#3e1010c7;color:#ffb0b0}.badge-info{background:#0c1c37b3;color:#96c8ff}.badge-neutral{background:#141e2899;color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--color-border);background:#0a1521c2;color:var(--color-text);transition:background .15s}.btn:hover{background:#142332cc}.btn-primary{background:linear-gradient(142deg,#18b58f,#0f8f73);color:#07251f;border-color:transparent;font-weight:600}.btn-primary:hover{background:linear-gradient(142deg,#1cad8a,#0d7d65)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:4px 10px;font-size:12px}input[type=text],input[type=number],textarea,select{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;font-family:inherit;background:#0a1521c2;color:var(--color-text)}input[type=text]::placeholder,input[type=number]::placeholder,textarea::placeholder{color:var(--color-text-soft)}select{color:var(--color-text)}select option{background:var(--color-surface-solid);color:var(--color-text)}textarea{resize:vertical;min-height:80px}label{display:block;font-size:12px;font-weight:600;color:var(--color-text-secondary);margin-bottom:4px}.form-group{margin-bottom:16px}.loading{color:var(--color-text-secondary);padding:24px;text-align:center}.error-msg{color:var(--color-error);padding:12px;background:#3e1010c7;border:1px solid rgba(255,100,100,.3);border-radius:var(--radius-sm);font-size:13px}.empty-state{color:var(--color-text-secondary);padding:32px;text-align:center;font-size:14px}.message-list{display:flex;flex-direction:column;gap:8px}.message-bubble{max-width:70%;padding:10px 14px;border-radius:12px;font-size:13px;line-height:1.4}.message-bubble.inbound{background:#142332b3;border:1px solid var(--color-border);align-self:flex-start}.message-bubble.outbound{background:#35d3aa1f;border:1px solid rgba(53,211,170,.25);align-self:flex-end}.message-meta{font-size:11px;color:var(--color-text-secondary);margin-top:4px}.filter-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.dealer-link{color:var(--color-accent);text-decoration:none;font-weight:500}.dealer-link:hover{text-decoration:underline}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:12px;text-align:center}.stat-value{font-size:24px;font-weight:700;color:var(--color-accent)}.stat-label{font-size:11px;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.section-title{font-size:14px;font-weight:700;margin:16px 0 8px;color:var(--color-text)}.pref-list{list-style:none}.pref-list li{padding:6px 0;border-bottom:1px solid var(--color-border);font-size:13px;display:flex;justify-content:space-between}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;flex-direction:column;gap:20px}.login-logo{width:80px;height:80px;object-fit:contain}.login-page h1{font-size:28px;color:var(--color-text);font-weight:700}.login-page p{color:var(--color-text-secondary);font-size:14px}.clickable-row{cursor:pointer}.clickable-row:hover{background:#ffffff08}