:root{--nav:#0d1729;--muted:#718096;--bg:#f5f7fb;--card:#fff;--line:#e7edf5;--teal:#19b99a;--blue:#2f7df6;--orange:#f05a28;--text:#172033}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:linear-gradient(180deg,#0c182c,#101829);color:#d9e7ff;padding:28px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;margin-bottom:32px}.logo{width:42px;height:42px;border-radius:12px;background:#123354;color:#2fe0bc;display:grid;place-items:center;font-size:28px}.brand b{display:block;letter-spacing:.8px}.brand span{font-size:11px;color:#96a6bf}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:13px 14px;border-radius:10px;color:#c7d2e5}.sidebar nav a:hover{background:#1e2a40;color:white}.sidebar hr{border:0;border-top:1px solid #243149;width:100%;margin:12px 0}.userbox{margin-top:auto;display:flex;gap:10px;align-items:center;border-top:1px solid #243149;padding-top:20px}.avatar{width:38px;height:38px;border-radius:50%;background:#fff;color:#101829;display:grid;place-items:center;font-weight:800}.userbox b,.userbox span{display:block}.userbox span{font-size:12px;color:#9aacbf}.logout{margin-top:16px;text-align:center;background:#20283b;border-radius:10px;padding:12px}.main{margin-left:245px;padding:32px 42px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}h1{margin:0;font-size:28px}header p{margin:7px 0 0;color:var(--muted)}.top-actions{background:white;border:1px solid var(--line);border-radius:18px;padding:12px 16px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px}.metric,.panel,.course-card,.hero{background:var(--card);border:1px solid var(--line);box-shadow:0 10px 24px #0d17290d;border-radius:16px}.metric{padding:24px}.metric b{font-size:32px;color:var(--teal);display:block}.metric span{color:var(--muted);text-transform:uppercase;font-size:12px}.panel{padding:22px;margin-bottom:24px}.panel h2{margin:0 0 18px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{overflow:hidden;padding-bottom:16px}.course-card img{width:100%;height:145px;object-fit:cover;background:#d8e1ee}.course-card small{display:inline-block;margin:14px 16px 0;background:#e7fbf6;color:#079377;border-radius:999px;padding:5px 8px;font-weight:800;font-size:10px;text-transform:uppercase}.course-card h3{margin:10px 16px 6px}.course-card p{margin:0 16px 14px;color:var(--muted);font-size:14px;line-height:1.4}.course-card span{display:block;margin:8px 16px 0;color:var(--muted);font-size:12px}.bar{height:7px;background:#e8edf5;border-radius:999px;margin:0 16px;overflow:hidden}.bar i{display:block;height:100%;background:var(--teal);border-radius:999px}.toolbar{display:flex;gap:12px;margin-bottom:18px}.toolbar input{flex:1}.toolbar input,.toolbar button,.login-card input{border:1px solid var(--line);border-radius:10px;padding:13px 14px;background:white}.toolbar button,.btn,.login-card button{border:0;background:#13223a;color:white;border-radius:10px;padding:12px 16px;font-weight:700}.hero{display:grid;grid-template-columns:380px 1fr;gap:28px;padding:22px;margin-bottom:24px}.hero img{width:100%;height:260px;object-fit:cover;border-radius:14px}.hero small{color:var(--teal);font-weight:800}.hero h2{font-size:30px}.lesson{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:12px;padding:16px;margin:10px 0;background:#fff}.lesson span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.ok{color:var(--teal)!important;font-weight:800}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#071220,#14385b)}.login-card{width:380px;background:white;border-radius:20px;padding:32px;box-shadow:0 20px 80px #0005}.login-brand{color:#14213d}.login-card label{display:grid;gap:8px;margin:16px 0;color:#334}.login-card button{width:100%;margin-top:10px;background:var(--teal)}.error{background:#fee;color:#b00020;padding:10px;border-radius:10px}@media(max-width:1000px){.sidebar{position:static;width:auto}.main{margin:0;padding:20px}.cards,.course-grid{grid-template-columns:1fr}.hero{grid-template-columns:1fr}}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.panel-head h2{margin:0}.btn{display:inline-block}.btn.secondary{background:#edf2f7;color:#172033}.success{background:#e8fbf6;color:#06745f;padding:12px;border-radius:10px;border:1px solid #b7f1e4}.muted{color:var(--muted)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:14px;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:12px;text-transform:uppercase;color:var(--muted)}.table td span{color:var(--muted);font-size:13px}.actions{display:flex;gap:12px;flex-wrap:wrap}.actions a,.content-row a,.module-title a{color:#2f7df6;font-weight:700}.form-panel label{display:grid;gap:7px;color:#334;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-grid .wide{grid-column:1/-1}.form-grid input,.form-grid select,.form-grid textarea,.form-inline input{border:1px solid var(--line);border-radius:10px;padding:13px 14px;background:white;font:inherit}.form-grid textarea{min-height:120px;resize:vertical}.form-grid .check{display:flex;align-items:center;gap:10px}.form-grid .check input{width:auto}.form-inline{display:flex;gap:12px}.form-inline input{flex:1}.builder{display:grid;gap:14px}.module-box{border:1px solid var(--line);border-radius:14px;background:#fbfdff;padding:14px}.module-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}.module-title span{color:var(--muted);font-size:13px}.content-row{display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding:12px 0}.content-row small{color:var(--muted);display:block;margin-top:3px}.admin-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.admin-card{display:block;border:1px solid var(--line);border-radius:14px;padding:20px;background:#fbfdff}.admin-card b{display:block;font-size:20px;margin-bottom:6px}.admin-card span{color:var(--muted)}.lesson.disabled{opacity:.65;background:#f8fafc}.lesson-actions{display:flex;gap:10px;align-items:center}.content-frame{width:100%;height:70vh;border:1px solid var(--line);border-radius:14px}.content-video{width:100%;max-height:620px;background:#000;border-radius:14px}.content-text{background:#fbfdff;border:1px solid var(--line);border-radius:14px;padding:18px;line-height:1.6;margin:16px 0}@media(max-width:1000px){.form-grid,.admin-grid{grid-template-columns:1fr}.form-inline,.panel-head,.lesson,.content-row,.module-title{display:grid}.lesson-actions{justify-content:start}}

/* Correção visual v2.1 - tabelas e botões do painel admin */
.clean-head p{margin:6px 0 0;color:var(--muted);font-size:14px}.table-wrapper{width:100%;overflow-x:auto}.admin-table{width:100%;border-collapse:separate;border-spacing:0}.admin-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}.admin-table td{padding:16px 12px;border-bottom:1px solid #eef2f7;vertical-align:middle}.admin-table tbody tr:hover{background:#f8fafc}.admin-table strong{display:block;font-weight:800;color:#0f172a}.table-subtitle{display:block;color:var(--muted);font-size:12px;margin-top:5px}.text-right{text-align:right}.table-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:12px 16px;font-weight:800;font-size:14px;text-decoration:none;border:0;cursor:pointer;line-height:1.1}.btn-sm{padding:8px 11px;font-size:12px;border-radius:8px}.btn-light{background:#f1f5f9;color:#0f172a}.btn-light:hover{background:#e2e8f0}.btn-danger{background:#fee2e2;color:#b91c1c}.btn-danger:hover{background:#fecaca}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;white-space:nowrap}.badge-success{background:#dcfce7;color:#166534}.badge-muted{background:#f1f5f9;color:#475569}@media(max-width:900px){.admin-table{min-width:780px}.clean-head{align-items:flex-start}}