@font-face{font-family:'Vazir';src:url('/assets/Vazir-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Vazir';src:url('/assets/Vazir-Bold.woff2') format('woff2');font-weight:700;font-display:swap}
:root{--teal:#12A594;--blue:#1C6FB5;--ink:#0E3A5C;--body:#243746;--muted:#6A7C8A;--hair:#D8E2E9;--paper:#F4F8FB}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Vazir',Tahoma,Arial,sans-serif;color:var(--body);background:var(--paper);-webkit-user-select:none;user-select:none}
a{color:inherit;text-decoration:none}
h1{margin:0}

/* ---------- auth ---------- */
body.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0E3A5C 0%,#12A594 100%)}
.auth-wrap{width:100%;max-width:420px;padding:20px;text-align:center}
.card{background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(14,58,92,.28)}
.auth-card{padding:34px 28px}
.auth-card .logo{width:72px;height:72px;border-radius:16px}
.auth-card h1{font-size:21px;color:var(--ink);margin:14px 0 4px}
.auth-card .sub{color:var(--muted);font-size:13px;margin:0 0 18px}
.auth-card label{display:block;text-align:right;font-size:13px;color:var(--ink);margin:12px 0 0;font-weight:700}
.auth-card input{width:100%;margin-top:6px;padding:12px 14px;border:1.5px solid var(--hair);border-radius:11px;
  font-family:inherit;font-size:15px;background:#fbfdfe;transition:.15s}
.auth-card input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(18,165,148,.15)}
.auth-card button{width:100%;margin-top:20px;padding:13px;border:0;border-radius:11px;color:#fff;font-family:inherit;
  font-size:16px;font-weight:700;cursor:pointer;background:linear-gradient(135deg,var(--teal),var(--blue))}
.auth-card button:hover{filter:brightness(1.05)}
.auth-card .note{margin-top:16px;font-size:11.5px;color:var(--muted)}
.auth-card .err{background:#fdecec;color:#b53636;border-radius:10px;padding:10px;font-size:13px;margin-bottom:6px}
.brand-foot{margin-top:18px;color:rgba(255,255,255,.85);font-size:12px}

/* ---------- topbar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:#fff;
  border-bottom:1px solid var(--hair);position:sticky;top:0;z-index:5}
.tb-right{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.logo-sm{width:30px;height:30px;border-radius:8px}
.tb-left{display:flex;align-items:center;gap:14px}
.who{font-size:13px;color:var(--muted)}
.logout{font-size:13px;color:#b53636;font-weight:700}
.back{color:var(--teal);font-weight:700}
.pl-title{color:var(--ink);font-weight:700;margin-right:10px}

/* ---------- library ---------- */
.lib-main{max-width:1040px;margin:0 auto;padding:26px 22px 50px}
.lib-head h1{font-size:22px;color:var(--ink)}
.lib-head p{color:var(--muted);font-size:14px;margin:6px 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.tile{background:#fff;border:1px solid var(--hair);border-radius:16px;overflow:hidden;transition:.18s;display:block}
.tile:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(14,58,92,.14);border-color:transparent}
.thumb{height:120px;background:linear-gradient(135deg,var(--teal),var(--blue));position:relative;display:flex;align-items:center;justify-content:center}
.thumb .num{position:absolute;top:10px;right:12px;color:rgba(255,255,255,.9);font-weight:700;font-size:14px}
.thumb .play{color:#fff;font-size:30px;opacity:.95}
.t-title{padding:13px 14px;font-weight:700;color:var(--ink);font-size:15px}
.confidential{margin-top:28px;background:#fff;border:1px dashed var(--hair);border-radius:12px;padding:14px 16px;
  color:var(--muted);font-size:12.5px;line-height:1.8}

/* ---------- player ---------- */
.play-main{max-width:1180px;margin:0 auto;padding:20px 22px 44px;display:grid;grid-template-columns:1fr 290px;gap:22px}
.stage{min-width:0}
.video-box{position:relative;background:#000;border-radius:14px;overflow:hidden;aspect-ratio:1440/740;box-shadow:0 18px 44px rgba(14,58,92,.25)}
.video-box video{width:100%;height:100%;display:block;background:#000}
.video-box.hidden-blur video{filter:blur(22px)}
.wm-tile{position:absolute;inset:0;pointer-events:none;background-repeat:repeat;mix-blend-mode:screen;opacity:.9}
.wm-move{position:absolute;top:10%;left:10%;pointer-events:none;color:rgba(255,255,255,.5);font-size:12px;
  background:rgba(0,0,0,.18);padding:3px 9px;border-radius:20px;transition:top 1.2s ease,left 1.2s ease;white-space:nowrap}
.noplay{color:#fff;padding:40px;text-align:center}
.nav-row{display:flex;justify-content:space-between;align-items:center;margin-top:16px;gap:10px}
.nav-btn{background:#fff;border:1px solid var(--hair);border-radius:11px;padding:10px 16px;font-weight:700;color:var(--ink);font-size:14px}
.nav-btn.primary{background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;border:0}
.playlist{background:#fff;border:1px solid var(--hair);border-radius:14px;padding:10px;height:max-content}
.pl-h{font-weight:700;color:var(--ink);padding:8px 10px 10px;border-bottom:1px solid var(--hair)}
.pl-item{display:flex;align-items:center;gap:10px;padding:11px 10px;border-radius:10px;font-size:14px;color:var(--body)}
.pl-item:hover{background:var(--paper)}
.pl-item.active{background:linear-gradient(135deg,rgba(18,165,148,.12),rgba(28,111,181,.12));color:var(--ink);font-weight:700}
.pl-num{width:24px;height:24px;flex:none;border-radius:7px;background:var(--paper);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--teal)}
@media(max-width:880px){.play-main{grid-template-columns:1fr}}