/* ===== Tasmio Drive — Windows 11 style UI ===== */
:root{
  --accent:#0067c0;
  --accent-2:#005ba1;
  --bg:#f3f3f3;
  --win:#f9f9f9;
  --panel:#ffffff;
  --stroke:#e3e3e3;
  --stroke-2:#d6d6d6;
  --text:#1b1b1b;
  --muted:#6b6b6b;
  --hover:#eef4fb;
  --sel:#cfe4fa;
  --sel-stroke:#9ecbf3;
  --danger:#c42b1c;
  --radius:8px;
  --shadow:0 10px 40px rgba(0,0,0,.14);
  --font:"Segoe UI Variable","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#202020;--win:#272727;--panel:#2b2b2b;--stroke:#3a3a3a;--stroke-2:#454545;
    --text:#f2f2f2;--muted:#a9a9a9;--hover:#333a44;--sel:#1e3a5f;--sel-stroke:#2f68a8;--win:#282828;
  }
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:linear-gradient(135deg,#4a6fa5,#7aa0c9);
  -webkit-font-smoothing:antialiased;
}

/* ===== Window shell ===== */
.window{
  position:fixed;inset:16px;display:flex;flex-direction:column;
  background:var(--win);border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.2);
}
.titlebar{
  height:44px;display:flex;align-items:center;gap:12px;padding:0 10px;
  background:var(--panel);border-bottom:1px solid var(--stroke);
}
.tb-left{display:flex;align-items:center;gap:8px;min-width:150px}
.tb-icon{font-size:18px}
.tb-title{font-weight:600;font-size:14px}
.tb-search{flex:1;display:flex;justify-content:center}
.tb-search input{
  width:min(440px,90%);height:30px;border:1px solid var(--stroke-2);border-radius:16px;
  padding:0 14px;background:var(--bg);color:var(--text);font-size:13px;outline:none;
}
.tb-search input:focus{border-color:var(--accent);background:var(--panel)}
.tb-right{display:flex;align-items:center;gap:6px;min-width:150px;justify-content:flex-end}
.tb-user{font-size:12px;color:var(--muted);max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tb-btn{
  width:30px;height:30px;display:grid;place-items:center;border-radius:6px;
  text-decoration:none;color:var(--text);font-size:15px;
}
.tb-btn:hover{background:var(--hover)}
.tb-controls{display:flex;gap:2px;margin-left:6px}
.tb-controls i{width:34px;height:30px;display:inline-block;position:relative;border-radius:4px}
.tb-controls i:hover{background:var(--hover)}
.c-close:hover{background:#e81123}
.tb-controls i::before,.tb-controls i::after{content:"";position:absolute;background:var(--muted)}
.c-min::before{width:10px;height:1px;left:12px;top:15px}
.c-max::before{width:10px;height:10px;left:12px;top:10px;border:1px solid var(--muted);background:none}
.c-close::before,.c-close::after{width:12px;height:1px;left:11px;top:15px}
.c-close::before{transform:rotate(45deg)}.c-close::after{transform:rotate(-45deg)}

/* ===== Toolbar ===== */
.toolbar{
  display:flex;align-items:center;gap:4px;padding:6px 10px;
  background:var(--win);border-bottom:1px solid var(--stroke);overflow-x:auto;
}
.tool{
  display:flex;align-items:center;gap:6px;border:0;background:transparent;color:var(--text);
  padding:7px 12px;border-radius:6px;font-size:13px;cursor:pointer;white-space:nowrap;font-family:inherit;
}
.tool:hover:not(:disabled){background:var(--hover)}
.tool:disabled{opacity:.4;cursor:default}
.tool.danger:hover:not(:disabled){background:#fde7e7;color:var(--danger)}
.tool-spacer{flex:1}
.view-toggle{display:flex;border:1px solid var(--stroke-2);border-radius:6px;overflow:hidden}
.vt{border:0;background:var(--panel);padding:6px 10px;cursor:pointer;color:var(--muted);font-size:14px}
.vt.active{background:var(--accent);color:#fff}

/* ===== Body layout ===== */
.body{flex:1;display:flex;min-height:0}
.sidebar{
  width:210px;background:var(--win);border-right:1px solid var(--stroke);
  padding:8px;display:flex;flex-direction:column;overflow-y:auto;
}
.side-group{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;padding:10px 8px 4px}
.side-item{
  display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:6px;
  text-decoration:none;color:var(--text);font-size:13px;cursor:pointer;
}
.side-item:hover{background:var(--hover)}
.side-item.active{background:var(--sel);border:1px solid var(--sel-stroke)}
.side-tree .side-item{padding-left:14px}
.side-spacer{flex:1}
.quota{font-size:11px;color:var(--muted);padding:8px}
.quota .qbar{height:6px;background:var(--stroke);border-radius:4px;overflow:hidden;margin-top:4px}
.quota .qbar>div{height:100%;background:var(--accent)}

.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--panel);position:relative}
.addressbar{padding:8px 14px;border-bottom:1px solid var(--stroke);background:var(--win)}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:2px;font-size:13px}
.crumb{padding:4px 8px;border-radius:5px;cursor:pointer;color:var(--text);text-decoration:none}
.crumb:hover{background:var(--hover)}
.crumb-sep{color:var(--muted);margin:0 1px}

.notice{margin:14px;padding:12px 16px;background:#fff7e6;border:1px solid #ffe0a3;border-radius:8px;font-size:13px}
@media (prefers-color-scheme: dark){.notice{background:#3a3420;border-color:#5c5124}}

/* ===== Files area ===== */
.files{flex:1;overflow-y:auto;padding:14px;align-content:start}
.files.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.files.list{display:block;padding:6px}

.item{
  border:1px solid transparent;border-radius:8px;cursor:pointer;user-select:none;
  display:flex;position:relative;
}
.files.grid .item{flex-direction:column;align-items:center;text-align:center;padding:14px 8px}
.files.grid .item .ic{font-size:44px;line-height:1;margin-bottom:8px}
.files.grid .item .thumb{width:48px;height:48px;object-fit:cover;border-radius:8px;
  margin-bottom:8px;border:1px solid var(--stroke);background:var(--bg)}
.files.grid .item .nm{font-size:12px;word-break:break-word;max-height:34px;overflow:hidden;line-height:1.4}
.files.grid .item .meta{display:none}

.files.list .item{align-items:center;gap:10px;padding:8px 12px;border-radius:6px}
.files.list .item .ic{font-size:22px}
.files.list .item .thumb{width:24px;height:24px;object-fit:cover;border-radius:4px;
  flex-shrink:0;border:1px solid var(--stroke);background:var(--bg)}
.files.list .item .nm{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files.list .item .meta{font-size:12px;color:var(--muted);white-space:nowrap;min-width:80px;text-align:right}
.files.list .head{display:flex;gap:10px;padding:6px 12px;font-size:11px;color:var(--muted);
  text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--stroke)}
.files.list .head .h-name{flex:1}.files.list .head .h-meta{min-width:80px;text-align:right}
.files.grid .head{display:none}

.item:hover{background:var(--hover)}
.item.selected{background:var(--sel);border-color:var(--sel-stroke)}

.empty,.loading{padding:40px;text-align:center;color:var(--muted);font-size:14px}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--stroke);
  border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}

.dropzone-overlay{
  position:absolute;inset:10px;border:3px dashed var(--accent);border-radius:12px;
  background:rgba(0,103,192,.08);display:grid;place-items:center;font-size:20px;color:var(--accent);
  font-weight:600;z-index:20;pointer-events:none;
}
.dropzone-overlay[hidden]{display:none}

.statusbar{
  height:26px;display:flex;align-items:center;gap:18px;padding:0 14px;font-size:12px;
  color:var(--muted);background:var(--win);border-top:1px solid var(--stroke);
}

/* ===== Context menu ===== */
.ctxmenu{
  position:fixed;z-index:100;min-width:170px;background:var(--panel);
  border:1px solid var(--stroke-2);border-radius:8px;box-shadow:var(--shadow);
  padding:5px;margin:0;list-style:none;font-size:13px;
}
.ctxmenu li{padding:8px 12px;border-radius:5px;cursor:pointer}
.ctxmenu li:hover{background:var(--hover)}
.ctxmenu li.danger:hover{background:#fde7e7;color:var(--danger)}
.ctxmenu li.sep{height:1px;padding:0;margin:4px 6px;background:var(--stroke);pointer-events:none}

/* ===== Modal ===== */
.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.4);display:grid;place-items:center;z-index:200}
.modal-back[hidden]{display:none}
.modal{background:var(--panel);border-radius:12px;padding:22px;width:min(420px,92vw);box-shadow:var(--shadow)}
.modal h3{margin:0 0 14px;font-size:16px}
.modal input{width:100%;height:36px;padding:0 12px;border:1px solid var(--stroke-2);
  border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;outline:none}
.modal input:focus{border-color:var(--accent)}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}

/* ===== Buttons ===== */
.btn-primary{
  background:var(--accent);color:#fff;border:0;padding:9px 18px;border-radius:6px;
  font-size:13px;cursor:pointer;font-family:inherit;text-decoration:none;display:inline-block;
}
.btn-primary:hover{background:var(--accent-2)}
.btn-primary.disabled{opacity:.5;pointer-events:none}
.btn-ghost{background:transparent;border:1px solid var(--stroke-2);color:var(--text);
  padding:8px 16px;border-radius:6px;font-size:13px;cursor:pointer;text-decoration:none;font-family:inherit}
.btn-ghost:hover{background:var(--hover)}
.btn-ghost.danger{color:var(--danger);border-color:#e6a9a2}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:#323130;color:#fff;padding:11px 20px;border-radius:8px;font-size:13px;
  box-shadow:var(--shadow);z-index:300;max-width:90vw;
}
.toast.error{background:#7a1a12}

/* ===== Auth pages ===== */
.auth-body,.settings-body{background:linear-gradient(135deg,#4a6fa5,#7aa0c9);min-height:100%}
.auth-card{
  background:var(--panel);width:min(380px,92vw);margin:10vh auto;padding:34px 30px;
  border-radius:14px;box-shadow:var(--shadow);text-align:center;
}
.auth-logo{font-size:40px}
.auth-card h1{margin:8px 0 2px;font-size:20px}
.auth-sub{color:var(--muted);margin:0 0 20px;font-size:13px}
.auth-card form{text-align:left}
.auth-card label{display:block;font-size:12px;color:var(--muted);margin-bottom:12px}
.auth-card input{width:100%;height:38px;margin-top:5px;padding:0 12px;border:1px solid var(--stroke-2);
  border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;outline:none}
.auth-card input:focus{border-color:var(--accent)}
.auth-card .btn-primary{width:100%;margin-top:6px;height:40px}
.auth-error{background:#fde7e7;color:var(--danger);padding:9px 12px;border-radius:6px;font-size:13px;margin-bottom:14px}
.auth-note{background:var(--hover);padding:9px 12px;border-radius:6px;font-size:12px;margin-bottom:14px;text-align:left}
.auth-foot{margin-top:16px;font-size:13px;color:var(--muted)}
.auth-foot a,.auth-card a{color:var(--accent)}

/* ===== Settings ===== */
.settings{max-width:820px;margin:0 auto;padding:24px 16px 60px}
.settings-head{color:#fff;margin-bottom:16px}
.settings-head .back{color:#fff;text-decoration:none;font-size:13px;opacity:.9}
.settings-head h1{margin:6px 0 0;font-size:24px}
.settings-msg{background:var(--panel);border-left:4px solid var(--accent);padding:12px 16px;
  border-radius:8px;margin-bottom:16px;font-size:13px}
.panel{background:var(--panel);border-radius:12px;padding:22px;margin-bottom:18px;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.panel h2{margin:0 0 12px;font-size:17px}
.panel h3{font-size:14px;margin:18px 0 8px}
.status-line{font-weight:600;font-size:14px;margin-bottom:6px}
.status-line.ok{color:#0f7b3f}.status-line.off{color:var(--muted)}
.warn{background:#fff7e6;border:1px solid #ffe0a3;padding:10px 14px;border-radius:8px;font-size:13px}
.muted{color:var(--muted)}
.quota-bar{height:8px;background:var(--stroke);border-radius:5px;overflow:hidden;margin:8px 0}
.quota-bar>div{height:100%;background:var(--accent)}
.help{margin-top:16px;font-size:13px}
.help summary{cursor:pointer;color:var(--accent)}
.kv{width:100%;font-size:13px;margin-top:8px;border-collapse:collapse}
.kv td{padding:5px 8px;border-bottom:1px solid var(--stroke);vertical-align:top}
.kv td:first-child{color:var(--muted);width:120px}
code{background:var(--bg);padding:2px 6px;border-radius:4px;font-size:12px}
.users{width:100%;border-collapse:collapse;font-size:13px}
.users th{text-align:left;color:var(--muted);font-weight:500;font-size:11px;text-transform:uppercase;
  padding:6px 8px;border-bottom:1px solid var(--stroke)}
.users td{padding:9px 8px;border-bottom:1px solid var(--stroke)}
.badge{font-size:11px;padding:2px 8px;border-radius:10px;background:var(--hover)}
.badge.admin{background:#e5f0ff;color:var(--accent)}
.row-actions form{display:inline}
.link-danger{background:0;border:0;color:var(--danger);cursor:pointer;font-size:13px;font-family:inherit}
.inline-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.inline-form input,.inline-form select{height:36px;padding:0 10px;border:1px solid var(--stroke-2);
  border-radius:6px;background:var(--bg);color:var(--text);font-size:13px}
.bullets{font-size:13px;line-height:1.9;color:var(--text);padding-left:18px}

/* ===== Mobile / Android ===== */
@media (max-width:760px){
  .window{inset:0;border-radius:0}
  .tb-search{order:3;flex-basis:100%}
  /* Off-canvas drawer via `left` (robust — no transform dependency). */
  .sidebar{position:absolute;z-index:30;left:-260px;top:0;bottom:0;width:210px;
    transition:left .2s;box-shadow:var(--shadow)}
  .sidebar.open{left:0}
  .tb-user{display:none}
  .tool span{display:none}
  .tool{padding:9px 11px;font-size:17px}
  .files.grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
  .statusbar{display:none}
  .titlebar{flex-wrap:wrap;height:auto;padding:8px 10px}
  .tb-search input{width:100%}
  .tb-controls{display:none}
}
/* touch: bigger tap targets */
@media (pointer:coarse){
  .item{min-height:44px}
  .ctxmenu li{padding:12px 14px}
}