*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#edf2f7;color:#10233f}
a{text-decoration:none}
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:linear-gradient(180deg,#07152f 0%,#0a234c 100%);color:#fff;padding:22px 16px;display:flex;flex-direction:column}
.logo{font-size:22px;font-weight:700;margin-bottom:22px}
.menu{display:flex;flex-direction:column;gap:12px}
.menu a{display:block;color:#fff;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.08);transition:.2s ease}
.menu a:hover{background:rgba(255,255,255,.16)}
.sidebar-footer{margin-top:auto;padding-top:20px}
.user-box{background:rgba(255,255,255,.08);border-radius:14px;padding:14px;margin-bottom:12px}
.user-name{font-weight:700;font-size:15px}
.user-email{font-size:13px;opacity:.8;margin-top:4px}
.content{flex:1;padding:32px}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}
.page-header h1{margin:0;font-size:32px}
.page-header p{margin:10px 0 0;color:#30445f;font-size:17px}
.header-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;border:none;border-radius:14px;padding:12px 18px;font-size:15px;font-weight:600;cursor:pointer}
.btn-full{width:100%;text-align:center}
.btn-primary{background:#2f67ea;color:#fff}
.btn-secondary{background:#dfe6f2;color:#10233f}
.btn-success{background:#16a34a;color:#fff}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border-radius:24px;padding:24px;box-shadow:0 8px 26px rgba(15,23,42,.06)}
.stat-card{min-height:180px;display:flex;flex-direction:column;justify-content:center}
.stat-number{font-size:44px;font-weight:700;margin-bottom:10px}
.stat-label{font-size:24px;color:#30445f}
.notice{background:#efe2a6;border-radius:16px;padding:18px 20px;color:#4b3d0a}
.section-title{margin:0 0 18px;font-size:22px}
.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quick-card{display:block;background:#f8fbff;border:1px solid #dbe5f0;border-radius:18px;padding:18px;color:#10233f;transition:.2s ease}
.quick-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,23,42,.08)}
.quick-title{font-size:18px;font-weight:700;margin-bottom:8px}
.quick-text{font-size:14px;color:#43556d;line-height:1.5}
.mt-24{margin-top:24px}
.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group label{font-size:14px;font-weight:600}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;font-size:15px}
textarea{min-height:220px;resize:vertical}
.inline-row{display:flex;align-items:center;gap:12px}
.table-wrap{overflow:auto;background:#fff;border-radius:20px;padding:16px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
table{width:100%;border-collapse:collapse}
th,td{border:1px solid #dbe2ea;padding:10px 12px;text-align:left;font-size:14px;vertical-align:top}
th{background:#f8fafc}
.preview-box{background:#fff;border-radius:20px;padding:20px;min-height:220px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.template-card{display:flex;flex-direction:column;gap:8px}
.badge{display:inline-block;background:#e0ecff;color:#1d4ed8;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#dbeafe 0%,#eef2f7 100%)}
.login-card{width:100%;max-width:480px;background:#fff;border-radius:28px;padding:34px;box-shadow:0 14px 38px rgba(15,23,42,.08)}
.login-card h1{margin:0 0 8px;font-size:32px}
.login-card p{margin:0 0 24px;color:#4b5d73}
.error-box{background:#fef2f2;color:#991b1b;padding:14px 16px;border-radius:14px;margin-bottom:16px}
.editor-shell{display:grid;grid-template-columns:280px 1fr 320px;gap:18px}
.panel{background:#fff;border-radius:20px;padding:18px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.canvas-stage{position:relative;background:linear-gradient(90deg,rgba(15,23,42,.05) 1px,transparent 1px),linear-gradient(rgba(15,23,42,.05) 1px,transparent 1px);background-size:20px 20px;border-radius:20px;min-height:700px;overflow:auto;padding:30px}
.canvas-artboard{position:relative;margin:0 auto;background:#fff;box-shadow:0 12px 32px rgba(15,23,42,.12)}
.canvas-artboard.transparent{background-image:linear-gradient(45deg,#e5e7eb 25%,transparent 25%),linear-gradient(-45deg,#e5e7eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e5e7eb 75%),linear-gradient(-45deg,transparent 75%,#e5e7eb 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}
.center-line-v,.center-line-h{position:absolute;background:rgba(37,99,235,.5);pointer-events:none}
.center-line-v{top:0;bottom:0;width:1px;left:50%}
.center-line-h{left:0;right:0;height:1px;top:50%}
.canvas-text{position:absolute;padding:6px 8px;border:1px dashed rgba(37,99,235,.35);background:rgba(255,255,255,.08);cursor:move}
@media (max-width:1100px){.grid-2,.grid-3,.quick-actions,.form-grid,.editor-shell{grid-template-columns:1fr}.page-header{flex-direction:column}}