/* Drums Dictée – εφαρμογή μαθητή (όλα τα στυλ περιορίζονται στο #dd-app) */
#dd-app{
  --bg:#e9edf1; --panel:#ffffff; --ink:#16202a; --muted:#5c6773; --line:#cfd6de;
  --accent:#a86f00; --accent-ink:#ffffff; --ok:#15803d; --bad:#c0262d; --ghost:#8a95a1;
  --btn:#f1f4f7; --sel:#16202a; --sel-ink:#ffffff; --staff:#ffffff;
  --t1:#fbf2dc; --t1b:#d9a53b; --t2:#e4eefb; --t2b:#4a86d4; --t3:#e2f3e8; --t3b:#3fa46a;
  --t4:#eee6fa; --t4b:#8a63c9; --t5:#fbe5e7; --t5b:#d0606e; --t6:#dff2f2; --t6b:#2f9f9f;
  box-sizing:border-box; background:var(--bg); color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px; line-height:1.45; padding:18px clamp(14px,3vw,40px); border-radius:16px; max-width:none; margin:0 auto;
  text-align:left;
}
#dd-app *,#dd-app *::before,#dd-app *::after{box-sizing:border-box;}
#dd-app p{margin:0 0 10px;}
#dd-app .dd-h1{font-size:1.8rem;font-weight:800;letter-spacing:-.02em;margin:0 0 2px;line-height:1.2;}
#dd-app .dd-h2{font-size:1.2rem;font-weight:800;margin:0 0 4px;line-height:1.25;}
#dd-app .sub{color:var(--muted);margin:0 0 16px;}
#dd-app button{font:inherit;font-size:.95rem;line-height:1.2;color:var(--ink);background:var(--btn);border:1px solid var(--line);
  border-radius:10px;padding:9px 14px;cursor:pointer;min-height:42px;margin:0;width:auto;text-transform:none;letter-spacing:normal;
  box-shadow:none;text-shadow:none;font-weight:600;text-decoration:none;}
#dd-app button:hover{border-color:var(--muted);background:var(--btn);color:var(--ink);}
#dd-app button:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
#dd-app button:disabled{opacity:.45;cursor:not-allowed;}
#dd-app button.on,#dd-app button.on:hover{background:var(--sel);color:var(--sel-ink);border-color:var(--sel);}
#dd-app button.primary,#dd-app button.primary:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700;}
#dd-app .panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px;}
#dd-app .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
#dd-app .between{justify-content:space-between;}
#dd-app .extitle{font-weight:800;font-size:1.1rem;}
#dd-app .meta{color:var(--muted);font-size:.92rem;}
#dd-app .mini{font-size:.85rem;color:var(--muted);margin:8px 0 6px;}
#dd-app .val{min-width:92px;}
#dd-app .val small{display:block;color:inherit;opacity:.7;font-size:.78rem;font-weight:400;}
#dd-app .staffbox{overflow-x:auto;background:var(--staff);border:1px solid var(--line);border-radius:12px;padding:8px 4px;}
#dd-app .staffbox svg{display:block;margin:0 auto;}
#dd-app .msg{min-height:1.4em;color:var(--bad);font-size:.92rem;margin-top:8px;}
#dd-app .score{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;}
#dd-app .ok{color:var(--ok);} #dd-app .bad{color:var(--bad);}
#dd-app ul.res{margin:6px 0 0;padding-left:18px;list-style:disc;}
#dd-app .chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;}
#dd-app .chip{border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:.85rem;color:var(--muted);}
#dd-app .chip.cur{border-color:var(--ink);color:var(--ink);font-weight:700;}
#dd-app .chip.done{color:var(--ink);}
#dd-app .hidden{display:none !important;}
#dd-app label.chk{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:.92rem;margin:0;}
#dd-app .legend{color:var(--muted);font-size:.85rem;margin-top:6px;}
#dd-app .zones{display:flex;gap:6px 16px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;margin-top:10px;}
#dd-app .zones b{color:var(--ink);font-weight:700;}
#dd-app svg.editable{cursor:default;touch-action:manipulation;}
#dd-app svg.editable.aim{cursor:pointer;}
#dd-app .menu-grid{display:grid;grid-template-columns:1fr 2fr;gap:12px;align-items:start;}
@media (max-width:760px){ #dd-app .menu-grid{grid-template-columns:1fr;} #dd-app{padding:10px;} }
#dd-app .kitgroup{display:flex;gap:8px;flex-wrap:wrap;}
#dd-app input[type=range]{width:220px;accent-color:var(--accent);}
#dd-app .sec{border-radius:12px;padding:12px 14px;margin-top:12px;border:1px solid var(--line);border-left:5px solid var(--sb);background:var(--sc);}
#dd-app .sec .sec-title{font-weight:800;font-size:.95rem;margin-bottom:8px;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;}
#dd-app .sec .sec-title small{font-weight:600;color:var(--muted);}
#dd-app .sec button:not(.on):not(.primary){background:var(--panel);}
#dd-app hr{border:0;border-top:1px dashed var(--line);margin:10px 0;height:0;background:none;}
#dd-app .s1{--sc:var(--t1);--sb:var(--t1b);} #dd-app .s2{--sc:var(--t2);--sb:var(--t2b);} #dd-app .s3{--sc:var(--t3);--sb:var(--t3b);}
#dd-app .s4{--sc:var(--t4);--sb:var(--t4b);} #dd-app .s5{--sc:var(--t5);--sb:var(--t5b);} #dd-app .s6{--sc:var(--t6);--sb:var(--t6b);}
#dd-app .panel.s1,#dd-app .panel.s2,#dd-app .panel.s3,#dd-app .panel.s4,#dd-app .panel.s5,#dd-app .panel.s6{background:var(--sc);border-left:5px solid var(--sb);}
#dd-app .fld{display:block;margin:10px 0;font-weight:600;font-size:.92rem;}
#dd-app .fld input{display:block;width:100%;max-width:320px;margin-top:4px;font:inherit;font-size:1.3rem;letter-spacing:.15em;text-transform:uppercase;
  padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink);box-shadow:none;}
#dd-app .login{max-width:460px;margin:20px auto;}
#dd-app .progress{height:10px;border-radius:99px;background:var(--panel);border:1px solid var(--line);overflow:hidden;margin:10px 0 4px;max-width:420px;}
#dd-app .progress div{height:100%;background:var(--sb);width:0;transition:width .4s;}
#dd-app .stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
#dd-app .stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 12px;min-width:92px;}
#dd-app .stat b{display:block;font-size:1.25rem;font-weight:800;}
#dd-app .stat span{font-size:.78rem;color:var(--muted);}
#dd-app .lvlup{background:var(--accent);color:var(--accent-ink);border-radius:10px;padding:10px 14px;font-weight:800;margin-top:10px;}
/* διαδρομή επιπέδων */
#dd-app .path{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:10px;}
#dd-app .lvl{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px;}
#dd-app .lvl.cur{border:2px solid var(--t1b);box-shadow:0 0 0 3px var(--t1);}
#dd-app .lvl.locked{opacity:.6;}
#dd-app .lvl .lvl-top{display:flex;justify-content:space-between;align-items:center;gap:8px;}
#dd-app .lvl .lvl-name{font-weight:800;}
#dd-app .lvl .badge{font-size:.75rem;font-weight:700;border-radius:99px;padding:2px 8px;background:var(--btn);color:var(--muted);white-space:nowrap;}
#dd-app .lvl.done .badge{background:var(--t3);color:var(--ok);}
#dd-app .lvl.cur .badge{background:var(--t1);color:var(--accent);}
#dd-app .lvl .desc{font-size:.82rem;color:var(--muted);}
#dd-app .lvl .progress{margin:4px 0 0;}
#dd-app .lvl button{margin-top:auto;}

/* διαχείριση μέσα στην εφαρμογή */
#dd-app #dd-admin{max-width:none;font-size:.95rem;}
#dd-app #dd-admin h2{font-size:1.1rem;font-weight:800;margin:0 0 8px;}
#dd-app #dd-admin .button{background:var(--btn);min-height:34px;padding:6px 12px;font-size:.9rem;}
#dd-app #dd-admin .button-primary,#dd-app #dd-admin .button-primary:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
#dd-app #dd-admin .button-small{min-height:28px;padding:3px 9px;font-size:.82rem;}
#dd-app #dd-admin .button-link-delete{color:var(--bad);}
#dd-app #dd-admin .nav-tab-wrapper{display:flex;gap:4px;flex-wrap:wrap;border-bottom:2px solid var(--line);margin:0 0 12px;padding:0;}
#dd-app #dd-admin .nav-tab{padding:8px 14px;border-radius:10px 10px 0 0;background:var(--btn);color:var(--ink);text-decoration:none;font-weight:700;border:1px solid var(--line);border-bottom:0;}
#dd-app #dd-admin .nav-tab-active{background:var(--sel);color:var(--sel-ink);}
#dd-app #dd-admin table.widefat{width:100%;border-collapse:collapse;display:block;overflow-x:auto;}
#dd-app #dd-admin table.widefat th,#dd-app #dd-admin table.widefat td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line);vertical-align:middle;}
#dd-app #dd-admin table.widefat th{font-size:.82rem;color:var(--muted);}
#dd-app #dd-admin .striped tbody tr:nth-child(odd){background:#f6f8fa;}
#dd-app #dd-admin input[type=text],#dd-app #dd-admin input[type=number],#dd-app #dd-admin input[type=date],#dd-app #dd-admin select{
  font:inherit;font-size:.92rem;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);max-width:100%;}
#dd-app #dd-admin .regular-text{width:320px;}
#dd-app #dd-admin .description{color:var(--muted);font-size:.85rem;}
#dd-app #dd-admin code{background:var(--btn);padding:1px 5px;border-radius:4px;}
#dd-app .fld input.nocaps{text-transform:none;letter-spacing:.05em;}
#dd-app #loginSwitch{color:var(--t2b);font-weight:700;text-decoration:underline;}
#dd-app #dd-admin .dd-codein{width:190px;text-transform:uppercase;letter-spacing:.08em;}
#dd-app button.sym{min-width:46px;min-height:52px;padding:4px 8px;display:inline-flex;align-items:center;justify-content:center;}
#dd-app button.sym svg{width:26px;height:40px;display:block;}
#dd-app .symrow{margin-top:6px;}
#dd-app .symlabel{font-size:.8rem;color:var(--muted);width:58px;}
#dd-app #valuePick button.sym{min-height:48px;}
#dd-app button.nextbtn,#dd-app button.nextbtn:hover{background:var(--ok);color:#fff;border-color:var(--ok);font-weight:700;}
#dd-app button.primary.stopping,#dd-app button.primary.stopping:hover{background:var(--bad);border-color:var(--bad);color:#fff;}

/* γραφικά drums */
#dd-app .dd-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:6px;}
#dd-app .dd-headtxt{flex:1;min-width:0;}
#dd-app .dd-kit{width:300px;height:auto;flex:0 0 auto;}
#dd-app .dd-sticks{width:90px;height:auto;display:block;margin:0 0 8px;}
@media (max-width:640px){ #dd-app .dd-kit{width:170px;} }
@media (max-width:440px){ #dd-app .dd-kit{display:none;} }
#dd-app .replay{margin-top:12px;}
#dd-app .replay button.stopping,#dd-app .replay button.stopping:hover{background:var(--bad);border-color:var(--bad);color:#fff;}

/* πλήρες πλάτος / πλήρης οθόνη */
#dd-app > *{max-width:1700px;margin-left:auto;margin-right:auto;}
#dd-app:fullscreen{overflow:auto;border-radius:0;padding:20px clamp(14px,3vw,48px);}
#dd-app:-webkit-full-screen{overflow:auto;border-radius:0;width:100%;height:100%;}
#dd-app .dd-head{flex-wrap:wrap;}
#dd-app button.fsbtn{order:3;flex:0 0 auto;font-size:.85rem;min-height:36px;padding:6px 12px;}

/* κουμπί Μενού: ξεχωριστό χρώμα */
#dd-app button.menubtn,#dd-app button.menubtn:hover{background:#56152f;border-color:#56152f;color:#fff;font-weight:700;}
#dd-app button.menubtn:hover{background:#7a1d3f;}
#dd-app .kitlbl select{font:inherit;font-size:.88rem;padding:5px 6px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);}
/* ψευδο-πλήρης οθόνη (όταν ο browser δεν υποστηρίζει fullscreen) */
#dd-app.dd-pseudofs{position:fixed !important;inset:0;z-index:999999;width:auto !important;margin:0 !important;border-radius:0;overflow:auto;}
#dd-app button.fsbtn{display:inline-flex !important;visibility:visible !important;}
#dd-app .replbl input{width:54px;font:inherit;font-size:.9rem;padding:5px 6px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);text-align:center;}

/* λίστα ασκήσεων καθηγητή */
#dd-app .tlist{display:flex;flex-direction:column;gap:6px;max-height:420px;overflow:auto;margin-top:6px;padding-right:2px;}
#dd-app .tlist button.titem{flex-shrink:0;display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 10px;min-height:0;font-weight:600;}
#dd-app .tlist button.titem:hover{border-color:var(--t4b);background:var(--panel);}
#dd-app .titem .tnum{flex:0 0 28px;height:28px;border-radius:50%;background:var(--t4);color:var(--t4b);display:grid;place-items:center;font-size:.8rem;font-weight:800;}
#dd-app .titem .ttxt{flex:1;min-width:0;}
#dd-app .titem .ttitle{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
#dd-app .titem .tmeta{display:block;font-size:.78rem;color:var(--muted);font-weight:400;}
#dd-app .titem .tbest{flex:0 0 auto;font-size:.8rem;font-weight:800;border-radius:99px;padding:2px 8px;}
#dd-app .titem .tbest.ok{background:var(--t3);color:var(--ok);} #dd-app .titem .tbest.bad{background:var(--t5);color:var(--bad);}
#dd-app input.tfilter{width:100%;font:inherit;font-size:.92rem;padding:7px 10px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);margin-top:6px;}

/* v2.1 – γρήγορη γραφή, τραγούδι */
#dd-app kbd{display:inline-block;min-width:1.5em;padding:1px 5px;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;background:var(--panel);color:var(--ink);font:700 .78rem/1.3 ui-monospace,Consolas,monospace;text-align:center;}
#dd-app .kbdhelp{margin-top:10px;padding:10px 14px;border:1px dashed var(--line);border-radius:10px;font-size:.88rem;color:var(--ink);}
#dd-app .kbdhelp ul{margin:6px 0 0;padding-left:18px;} #dd-app .kbdhelp li{margin:4px 0;color:var(--muted);}
#dd-app .songload{font-size:.85rem;color:var(--muted);}
#dd-app .savestate{font-size:.85rem;color:var(--muted);align-self:center;}
#dd-app .savestate.bad{color:var(--bad);}
#dd-app #staff{-webkit-user-select:none;user-select:none;}
#dd-app .vsym{display:inline-flex;align-items:center;gap:6px;width:auto;padding:0 12px;font-size:.85rem;}