/* ScenDrive app — light, Google-Drive-inspired theme */
:root{
  --blue1:#2EA1FF; --blue2:#1A56E8; --deep:#1746C8;
  --ink:#0E1A3C; --muted:#5B6680; --line:#E6ECF5; --soft:#F1F6FF;
  --bg:#F7FAFF; --card:#ffffff; --danger:#E5484D; --ok:#15a06b;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
button{font-family:inherit;cursor:pointer}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:12px}
.msg{font-size:13px;min-height:18px;margin:6px 0 0}
.msg.err{color:var(--danger)} .msg.ok{color:var(--ok)}
a{color:var(--blue2);text-decoration:none}

/* ---------- Auth (logged-out) ---------- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 420px at 50% -10%,var(--soft),var(--bg))}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;width:100%;max-width:400px;
  box-shadow:0 12px 40px rgba(26,86,232,.08)}
.card .logo{display:block;text-align:center;margin-bottom:18px}
.card .logo img{height:46px}
.tabs{display:flex;gap:8px;margin-bottom:18px}
.tab{flex:1;background:transparent;color:var(--muted);border:1px solid var(--line);padding:10px;border-radius:10px;font-size:14px}
.tab.active{color:var(--blue2);border-color:var(--blue1);background:var(--soft)}
form{display:flex;flex-direction:column;gap:12px}
input{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--ink);font-size:14px}
input:focus{outline:none;border-color:var(--blue1)}
.pw-wrap{position:relative;display:flex;flex-direction:column}
.pw-wrap input{padding-right:62px}
.pw-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--blue2);font-size:12px;font-weight:600;cursor:pointer;padding:6px 8px}
.pw-toggle:hover{text-decoration:underline}
.btn,button.primary{background:linear-gradient(135deg,var(--blue1),var(--blue2));color:#fff;border:none;border-radius:10px;padding:12px;font-size:14px;font-weight:600}
.btn:hover,button.primary:hover{opacity:.94}
.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:10px 14px;font-size:14px;font-weight:500}
.ghost:hover{border-color:var(--blue1);color:var(--blue2)}

/* ---------- App shell ---------- */
.shell{display:grid;grid-template-columns:240px 1fr;grid-template-rows:64px 1fr;height:100vh;
  grid-template-areas:"side top" "side main"}
.topbar{grid-area:top;display:flex;align-items:center;gap:16px;padding:0 24px;background:#fff;border-bottom:1px solid var(--line)}
.sidebar{grid-area:side;background:#fff;border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:6px}
.main{grid-area:main;overflow:auto;padding:24px 28px}

.brand{display:flex;align-items:center;gap:8px;padding:4px 8px 16px}
.brand img{height:34px}
.search{flex:1;max-width:560px}
.search input{width:100%;background:var(--soft);border:1px solid transparent;border-radius:12px;padding:11px 14px}
.search input:focus{background:#fff;border-color:var(--blue1)}
.topbar .who{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--blue1),var(--blue2));color:#fff;display:grid;place-items:center;font-weight:700}

.newbtn{display:flex;align-items:center;gap:10px;justify-content:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px;font-weight:600;color:var(--ink);box-shadow:0 2px 8px rgba(26,86,232,.08);margin-bottom:10px}
.newbtn:hover{border-color:var(--blue1);color:var(--blue2)}
.navitem{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--ink);font-size:14px;font-weight:500;border:none;background:transparent;width:100%;text-align:left}
.navitem .ic{font-size:18px;width:20px;text-align:center}
.navitem:hover{background:var(--soft)}
.navitem.active{background:var(--soft);color:var(--blue2)}
.sidebar .spacer{flex:1}
.storage-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--soft)}
.storage-card .label{font-size:12px;color:var(--muted);margin-bottom:6px}
.qbar{height:7px;background:#e3ebf7;border-radius:6px;overflow:hidden;margin:8px 0}
.qbar>div{height:100%;background:linear-gradient(90deg,var(--blue1),var(--blue2))}
.storage-card .up{width:100%;margin-top:8px;font-size:13px;padding:8px}

/* ---------- Content ---------- */
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.toolbar h2{font-size:22px;margin:0}
.toolbar .spacer{flex:1}
.crumb{color:var(--muted);font-size:14px}
.upload-label{background:linear-gradient(135deg,var(--blue1),var(--blue2));color:#fff;border-radius:10px;
  padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}

.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:18px 0 10px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.tile{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;cursor:pointer;transition:.12s;position:relative}
.tile:hover{border-color:var(--blue1);box-shadow:0 8px 22px rgba(26,86,232,.10);transform:translateY(-1px)}
.tile .ic{font-size:30px}
.tile .nm{margin-top:10px;font-weight:600;font-size:14px;word-break:break-word}
.tile .meta{color:var(--muted);font-size:12px;margin-top:2px}
.tile .menu{position:absolute;top:10px;right:10px;opacity:0;transition:.12s}
.tile:hover .menu{opacity:1}
.tile .menu button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:3px 7px;font-size:12px;margin-left:4px}
.tile .menu .del{color:var(--danger)}

.list{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.row{display:flex;align-items:center;gap:14px;padding:13px 16px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row:hover{background:var(--soft)}
.row .ic{font-size:20px}
.row .nm{flex:1;font-size:14px;font-weight:500;cursor:pointer;word-break:break-word}
.row .sz{color:var(--muted);font-size:13px}
.row .acts{display:flex;gap:6px}
.row .acts button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12px}
.row .acts .del{color:var(--danger)}
.row .acts .pri{color:var(--blue2);border-color:#cfe0ff}
.empty{padding:48px;text-align:center;color:var(--muted)}
.empty .big{font-size:40px;margin-bottom:8px}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(14,26,60,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;width:min(720px,92vw);max-height:88vh;overflow:auto}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-head h3{margin:0}
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.plan{border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.plan.current{border-color:var(--blue1);background:var(--soft)}
.plan h4{margin:0 0 6px}
.plan .price{font-size:26px;font-weight:800;margin:8px 0}
.plan .price small{font-size:13px;color:var(--muted);font-weight:500}
.plan .cap{color:var(--muted);font-size:13px;margin-bottom:14px}
.plan button,.plan .badge{width:100%}
.plan .badge{display:inline-block;font-size:12px;color:var(--blue2);border:1px solid var(--line);border-radius:8px;padding:6px}

@media(max-width:760px){
  .shell{grid-template-columns:64px 1fr}
  .sidebar .label-text,.brand span,.storage-card{display:none}
  .navitem{justify-content:center}
  .topbar .who span.email{display:none}
}