.admin-body{background:var(--bg-void);min-height:100vh;}

/* ---------- login ---------- */
#login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.login-box{
  width:100%;max-width:340px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:16px;padding:30px 24px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;flex-direction:column;gap:12px;
}
.login-box h1{font-size:1.1rem;color:#e6eaf3;text-align:center;margin-bottom:10px;}
.login-box input{
  background:var(--bg-panel);border:1px solid var(--glass-border);
  color:#e6eaf3;padding:12px 14px;border-radius:10px;font-family:inherit;font-size:14px;
}
.login-box input:focus{outline:none;border-color:var(--blue-bold);}
.login-box button{
  background:var(--blue-bold);color:#fff;border:none;padding:12px;border-radius:10px;
  font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;margin-top:6px;
}
.login-box button:hover{background:var(--blue-bright);}
.login-error{color:#e0657a;font-size:12.5px;text-align:center;min-height:1.2em;}

/* ---------- header / tabs ---------- */
.admin-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(16px,4vw,40px);border-bottom:1px solid var(--glass-border);
}
.admin-brand{color:#e6eaf3;font-weight:700;font-size:15px;}
.admin-header-actions{display:flex;gap:8px;}

.admin-tabs{
  display:flex;gap:6px;overflow-x:auto;
  padding:12px clamp(16px,4vw,40px);border-bottom:1px solid var(--glass-border);
}
.tab-btn{
  flex-shrink:0;background:none;border:1px solid var(--glass-border);color:var(--gray-txt);
  padding:9px 16px;border-radius:999px;font-family:inherit;font-size:12.5px;cursor:pointer;
  transition:all .2s ease;
}
.tab-btn.active,.tab-btn:hover{border-color:var(--blue-bold);color:var(--blue-bright);}

.admin-main{padding:24px clamp(16px,4vw,40px) 80px;max-width:900px;margin:0 auto;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.tab-panel h2{color:#e6eaf3;font-size:1.1rem;margin-bottom:8px;}
.hint{color:var(--gray-dim);font-size:12px;margin-bottom:16px;}

/* ---------- buttons ---------- */
.admin-btn{
  background:var(--glass-bg);border:1px solid var(--glass-border);color:#e6eaf3;
  padding:10px 18px;border-radius:10px;font-family:inherit;font-size:13px;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;gap:6px;
  transition:all .2s ease;
}
.admin-btn:hover{border-color:var(--blue-bold);}
.admin-btn.primary{background:var(--blue-bold);border-color:var(--blue-bold);color:#fff;}
.admin-btn.primary:hover{background:var(--blue-bright);}
.admin-btn.danger{color:#e0657a;}
.admin-btn.danger:hover{border-color:#e0657a;}
.admin-btn.small{padding:7px 12px;font-size:12px;}
.admin-btn.ghost{background:none;}

/* ---------- forms ---------- */
.form-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.form-row input, .form-row select, .form-row textarea{
  background:var(--bg-panel);border:1px solid var(--glass-border);color:#e6eaf3;
  padding:10px 12px;border-radius:10px;font-family:inherit;font-size:13px;flex:1;min-width:150px;
}
textarea{
  width:100%;background:var(--bg-panel);border:1px solid var(--glass-border);color:#e6eaf3;
  padding:12px;border-radius:10px;font-family:var(--font-mono),monospace;font-size:12.5px;
  line-height:1.7;resize:vertical;direction:ltr;text-align:left;margin-bottom:10px;
}
#tutorial-editor{direction:rtl;text-align:right;font-family:inherit;}
.toolbar{margin-bottom:8px;}
.save-msg{font-size:12.5px;margin-top:8px;min-height:1.2em;color:var(--blue-bright);}
.save-msg.error{color:#e0657a;}

/* ---------- resource manager ---------- */
.res-form{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:14px;
  padding:18px;margin-bottom:22px;display:flex;flex-direction:column;gap:10px;
}
.res-form-row{display:flex;gap:10px;flex-wrap:wrap;}
.res-form-row > *{flex:1;min-width:140px;}
.res-form textarea{min-height:70px;}
.res-image-preview{width:90px;height:60px;object-fit:cover;border-radius:8px;background:var(--bg-panel);display:none;}
.res-image-preview.show{display:block;}

.res-item{
  display:flex;align-items:center;gap:12px;
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;
  padding:10px 14px;margin-bottom:8px;
}
.res-thumb{width:52px;height:36px;object-fit:cover;border-radius:6px;background:var(--bg-panel);flex-shrink:0;}
.res-info{flex:1;min-width:0;}
.res-name{font-size:13.5px;color:#e6eaf3;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.res-cat{font-size:11.5px;color:var(--gray-dim);}
.res-actions{display:flex;gap:6px;flex-shrink:0;}

/* ---------- nav manager ---------- */
.nav-row{
  display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap;
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px;padding:10px;
}
.nav-row input[type="text"]{flex:1;min-width:100px;}
.nav-row input[type="number"]{width:60px;}
.nav-row label{font-size:11.5px;color:var(--gray-dim);display:flex;align-items:center;gap:4px;white-space:nowrap;}