/* =====================================================
   TurnitinYa · estilos globales (tema claro)
   ===================================================== */
:root{
  --bg:       #f5f7fb;
  --surface:  #ffffff;
  --border:   #e5e9f0;
  --text:     #1a2138;
  --muted:    #6b7895;
  --primary:  #2b6fff;
  --primary-d:#1f55cc;
  --accent-light:#e6efff;
  --ok:       #16a34a;
  --ok-light: #e7f8ee;
  --warn:     #d97706;
  --warn-light:#fff3df;
  --danger:   #dc2626;
  --danger-light:#fde8e8;
  --radius:   10px;
  --shadow:   0 2px 8px rgba(20,33,68,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Inter",Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- layout autenticado (sidebar + main) ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:240px;flex-shrink:0;background:var(--surface);
  border-right:1px solid var(--border);padding:24px 0;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar .brand{padding:0 22px 24px;font-size:22px;font-weight:700;color:var(--primary);letter-spacing:-.5px}
.sidebar nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 12px}
.sidebar nav a{
  display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:8px;
  color:var(--text);font-weight:500;font-size:14px;transition:.12s;
}
.sidebar nav a:hover{background:var(--bg);text-decoration:none}
.sidebar nav a.active{background:var(--accent-light);color:var(--primary)}
.sidebar nav a .icon{font-size:16px;width:18px;text-align:center}
.sidebar .foot{padding:14px 22px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}

.main{flex:1;padding:32px 40px;min-width:0}
.main h1{margin:0 0 6px;font-size:26px;font-weight:700;letter-spacing:-.3px}
.main .sub{color:var(--muted);margin:0 0 24px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}

/* ---------- card ---------- */
.card{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.card h2{margin:0 0 12px;font-size:18px}
.card .desc{color:var(--muted);font-size:14px;margin:0 0 16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:8px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  font-weight:600;font-size:14px;cursor:pointer;transition:.12s;text-decoration:none
}
.btn:hover{background:var(--bg);text-decoration:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d);border-color:var(--primary-d);color:#fff}
.btn-ok{color:var(--ok);border-color:var(--ok)}
.btn-ok:hover{background:var(--ok-light)}
.btn-blue{color:var(--primary);border-color:var(--primary)}
.btn-blue:hover{background:var(--accent-light)}
.btn-danger{color:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:var(--danger-light)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- forms ---------- */
label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin:14px 0 6px}
input[type=text],input[type=email],input[type=password]{
  width:100%;padding:11px 14px;border-radius:8px;border:1px solid var(--border);
  font-size:15px;color:var(--text);background:#fff;transition:.12s;
}
input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--accent-light)}
.form-err{color:var(--danger);font-size:13px;margin-top:8px;min-height:18px}

/* ---------- table ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
table{width:100%;border-collapse:collapse}
th,td{padding:14px 18px;text-align:left;font-size:14px}
thead th{background:#fafbfd;color:var(--muted);font-weight:600;font-size:12px;
  letter-spacing:.5px;text-transform:uppercase;border-bottom:1px solid var(--border)}
tbody tr{border-bottom:1px solid var(--border)}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:#fafbfd}
td.actions{text-align:right;white-space:nowrap}
td.actions .btn{padding:6px 11px;font-size:13px;margin-left:6px}

/* ---------- pills ---------- */
.pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;
  font-weight:600;letter-spacing:.4px;text-transform:uppercase}
.pill-warn{background:var(--warn-light);color:var(--warn)}
.pill-ok{background:var(--ok-light);color:var(--ok)}
.pill-blue{background:var(--accent-light);color:var(--primary)}
.pill-danger{background:var(--danger-light);color:var(--danger)}
.pill-muted{background:#eef0f5;color:var(--muted)}

/* ---------- empty state ---------- */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .icon{font-size:36px;margin-bottom:8px;display:block}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.4);
  display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-bg.show{display:flex}
.modal{background:var(--surface);border-radius:14px;max-width:500px;width:100%;
  padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.2)}
.modal h2{margin:0 0 6px;font-size:20px}
.modal .desc{color:var(--muted);margin:0 0 18px;font-size:14px}
.modal .close{float:right;background:none;border:none;font-size:22px;color:var(--muted);cursor:pointer;line-height:1}

/* ---------- drop area ---------- */
.drop{
  border:2px dashed var(--border);border-radius:10px;padding:24px;text-align:center;
  cursor:pointer;transition:.12s;background:#fafbfd
}
.drop:hover,.drop.drag{border-color:var(--primary);background:var(--accent-light)}
.drop.has-file{border-style:solid;border-color:var(--ok);background:var(--ok-light)}
.drop strong{color:var(--text);font-weight:600}
.drop small{display:block;color:var(--muted);margin-top:4px;font-size:13px}

/* ---------- mode selector ---------- */
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.mode{
  border:2px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;
  transition:.12s;background:#fff
}
.mode.selected{border-color:var(--primary);background:var(--accent-light)}
.mode h3{margin:0 0 4px;font-size:15px}
.mode small{color:var(--muted);font-size:12px;display:block;margin-bottom:8px}
.mode .price{font-size:20px;font-weight:700;color:var(--text)}
.mode.express h3::after{content:" ⚡";color:var(--warn)}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:20px;right:20px;padding:12px 20px;border-radius:10px;
  font-size:14px;font-weight:500;box-shadow:0 8px 30px rgba(0,0,0,.15);
  z-index:100;display:none}
.toast.show{display:block;animation:slideIn .25s ease}
.toast.ok{background:var(--ok-light);color:var(--ok)}
.toast.err{background:var(--danger-light);color:var(--danger)}
@keyframes slideIn{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ---------- auth pages (sin sidebar) ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:36px;width:100%;max-width:420px;box-shadow:var(--shadow)}
.auth-card .brand{font-size:24px;font-weight:700;color:var(--primary);text-align:center;margin-bottom:6px}
.auth-card h1{font-size:22px;margin:0 0 4px;text-align:center}
.auth-card .sub{text-align:center;color:var(--muted);margin:0 0 24px;font-size:14px}
.auth-card button{width:100%;margin-top:18px;padding:12px}
.auth-card .alt{text-align:center;margin-top:16px;font-size:14px;color:var(--muted)}

/* ---------- landing pública ---------- */
.lp-nav{display:flex;justify-content:space-between;align-items:center;
  padding:18px 40px;background:var(--surface);border-bottom:1px solid var(--border)}
.lp-nav .brand{font-size:22px;font-weight:700;color:var(--primary)}
.lp-nav .nav-links{display:flex;gap:24px;align-items:center}
.lp-nav .nav-links a{color:var(--text);font-weight:500;font-size:14px}

.lp-hero{padding:80px 40px;text-align:center;max-width:780px;margin:0 auto}
.lp-hero h1{font-size:44px;margin:0 0 14px;letter-spacing:-1px;line-height:1.15}
.lp-hero .lead{font-size:18px;color:var(--muted);margin:0 0 30px}
.lp-hero .cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.lp-hero .cta .btn{padding:14px 28px;font-size:15px}

.lp-feats{max-width:1000px;margin:20px auto 60px;padding:0 40px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lp-feats .feat{background:var(--surface);border:1px solid var(--border);
  padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.lp-feats .feat .ico{font-size:28px;margin-bottom:10px}
.lp-feats .feat h3{margin:0 0 6px;font-size:16px}
.lp-feats .feat p{margin:0;color:var(--muted);font-size:14px}

.lp-section{padding:60px 40px;max-width:900px;margin:0 auto}
.lp-section h2{text-align:center;font-size:30px;margin:0 0 32px;letter-spacing:-.5px}

.faq details{border-bottom:1px solid var(--border);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);margin:10px 0 0;font-size:14px}

footer.lp-foot{padding:30px 40px;text-align:center;color:var(--muted);
  font-size:13px;border-top:1px solid var(--border);background:var(--surface)}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .sidebar{position:fixed;left:-240px;transition:left .2s;z-index:30;box-shadow:var(--shadow)}
  .sidebar.open{left:0}
  .main{padding:18px}
  .menu-btn{display:inline-block;margin-bottom:16px;font-size:18px;background:none;border:none;cursor:pointer}
  .lp-hero{padding:50px 20px}
  .lp-hero h1{font-size:32px}
  .lp-feats{grid-template-columns:1fr;padding:0 20px}
  .lp-section{padding:40px 20px}
  td.actions .btn{padding:6px 8px;font-size:12px;margin-left:3px}
  thead{display:none}
  tbody tr{display:block;padding:12px 14px}
  tbody td{display:block;padding:4px 0;text-align:left!important}
}
.menu-btn{display:none}