:root{
  --bg:#f4f7fb; --card:#ffffff; --text:#162033; --muted:#667085; --line:#e6eaf1;
  --primary:#2454ff; --primary2:#0c2ea4; --soft:#eef3ff; --danger:#cf2e2e; --success:#177245;
  --shadow:0 14px 36px rgba(16,24,40,.08); --radius:18px;
}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{width:270px;background:#111827;color:#fff;padding:22px;position:fixed;top:0;bottom:0;left:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#2454ff,#16c784);font-weight:800}.brand small{display:block;color:#b7c0d1;margin-top:3px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar nav a{padding:12px 13px;border-radius:12px;color:#d7deea;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:#243045;color:#fff}.main{margin-left:270px;width:calc(100% - 270px)}.topbar{height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.content{padding:28px}.muted{color:var(--muted)}.top-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:11px 14px;font-weight:700;cursor:pointer;font-size:14px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary2)}.btn-light{background:var(--soft);color:var(--primary)}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.btn-danger{background:#fff0f0;color:var(--danger)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2,.card h3{margin-top:0}.page-title{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px}.page-title h1{margin:0 0 6px;font-size:28px}.stat{display:flex;flex-direction:column;gap:8px}.stat strong{font-size:30px}.stat span{color:var(--muted);font-size:14px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fbfcff}.badge{display:inline-flex;border-radius:999px;padding:5px 10px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:700}.badge.gray{background:#f2f4f7;color:#475467}.badge.green{background:#e9fbf1;color:#177245}.badge.orange{background:#fff4e5;color:#b25e09}.form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-weight:700;font-size:13px;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 13px;font:inherit;background:#fff}.field textarea{min-height:110px;resize:vertical}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.alert{padding:13px 15px;border-radius:14px;margin-bottom:16px;font-weight:700}.alert.success{background:#e9fbf1;color:var(--success)}.alert.error{background:#fff0f0;color:var(--danger)}.login-screen{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dfe7ff,transparent 34%),linear-gradient(135deg,#f8fbff,#eef3ff)}.login-card{width:min(430px,calc(100% - 28px));background:#fff;border-radius:26px;box-shadow:var(--shadow);padding:30px;border:1px solid var(--line)}.login-card .brand{color:var(--text);margin-bottom:22px}.kanban{display:grid;grid-template-columns:repeat(4,minmax(240px,1fr));gap:16px;overflow:auto;padding-bottom:8px}.kanban-col{background:#f8fafc;border:1px solid var(--line);border-radius:18px;padding:12px;min-height:320px}.kanban-col h3{font-size:14px;margin:4px 4px 12px}.lead-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;margin-bottom:10px}.lead-card strong{display:block}.ia-output{white-space:pre-wrap;background:#0b1220;color:#eef4ff;border-radius:18px;padding:18px;line-height:1.55;min-height:200px}.calendar-list{display:grid;gap:10px}.calendar-item{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:13px;background:#fff}.calendar-date{min-width:82px;background:var(--soft);color:var(--primary);font-weight:800;border-radius:12px;text-align:center;padding:10px}.small{font-size:12px}.empty{padding:24px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:18px;background:#fbfcff}
@media(max-width:980px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.main{margin-left:0;width:100%}.grid-4,.grid-3,.grid-2,.form-row{grid-template-columns:1fr}.topbar{position:static}.kanban{grid-template-columns:1fr}}