*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f4f3ef;
  --surface:#ffffff;
  --surface2:#eceae3;
  --surface3:#e2e0d8;
  --border:#dddbd2;
  --border2:#c9c7be;
  --text:#18170f;
  --text2:#6b6a61;
  --text3:#a8a79e;
  --accent:#1d4ed8;
  --accent-l:#dbeafe;
  --accent-b:#93c5fd;
  --green:#15803d;
  --green-l:#dcfce7;
  --green-b:#86efac;
  --amber:#92400e;
  --amber-l:#fef3c7;
  --amber-b:#fcd34d;
  --red:#b91c1c;
  --red-l:#fee2e2;
  --red-b:#fca5a5;
  --purple:#6d28d9;
  --purple-l:#ede9fe;
  --r:12px;--rs:8px;--rxs:6px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.04);
  --shadow-lg:0 8px 32px rgba(0,0,0,.14),0 2px 8px rgba(0,0,0,.08);
}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}

/* ── AUTH PAGES (login/register/index) ─────────────── */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}
.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2.5rem;width:400px;max-width:100%;box-shadow:var(--shadow-lg)}
.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:1.75rem}
.auth-logo-icon{width:38px;height:38px;background:var(--text);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;color:#fff}
.auth-logo-text{font-size:18px;font-weight:700;letter-spacing:-.3px}
.auth-box h1{font-size:22px;font-weight:700;margin-bottom:.4rem;letter-spacing:-.4px}
.auth-box p.sub{font-size:13px;color:var(--text2);margin-bottom:1.75rem;font-weight:500}
.fg{display:flex;flex-direction:column;gap:5px;margin-bottom:1rem}
.fg label{font-size:12px;color:var(--text2);font-weight:600}
.fg input,.fg select{padding:10px 13px;border:1.5px solid var(--border2);border-radius:var(--rs);background:var(--bg);color:var(--text);font-family:inherit;font-size:14px;font-weight:500;outline:none;transition:border-color .15s,box-shadow .15s;width:100%}
.fg input:focus,.fg select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,78,216,.1)}
.btn-full{width:100%;padding:12px;background:var(--text);color:#fff;border:none;border-radius:var(--rs);font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:opacity .12s;margin-top:.5rem}
.btn-full:hover{opacity:.88}
.btn-full:disabled{opacity:.5;cursor:not-allowed}
.auth-alt{text-align:center;margin-top:1.25rem;font-size:13px;color:var(--text2);font-weight:500}
.auth-alt a{color:var(--accent);font-weight:600;text-decoration:none}
.auth-error{background:var(--red-l);color:var(--red);border:1px solid var(--red-b);border-radius:var(--rs);padding:.7rem .9rem;font-size:13px;font-weight:600;margin-bottom:1rem;display:none}
.auth-role-links{display:flex;flex-direction:column;gap:10px;margin-top:1.5rem}
.role-link-btn{display:block;text-align:center;padding:11px;border:1.5px solid var(--border2);border-radius:var(--rs);text-decoration:none;color:var(--text);font-weight:600;font-size:14px;transition:all .12s}
.role-link-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-l)}

/* ── DASHBOARD SHELL (shared by student/teacher/admin) ── */
.dash{max-width:1000px;margin:0 auto;padding:2rem 1.25rem}
.dash-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.75rem;flex-wrap:wrap;gap:1rem}
.dash-brand{display:flex;align-items:center;gap:12px}
.dash-brand-icon{width:40px;height:40px;background:var(--text);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}
.dash-title{font-size:19px;font-weight:700;letter-spacing:-.3px}
.dash-sub{font-size:12px;color:var(--text3);margin-top:1px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.dash-user{display:flex;align-items:center;gap:12px}
.dash-user-name{font-size:13px;font-weight:600;color:var(--text2)}
.btn-logout{padding:8px 16px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--rs);font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;color:var(--text2);transition:all .12s}
.btn-logout:hover{background:var(--surface3);color:var(--text)}

.tabs{display:flex;gap:1px;margin-bottom:1.5rem;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:4px;width:fit-content;flex-wrap:wrap}
.tab{padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600;background:transparent;border:none;cursor:pointer;color:var(--text2);border-radius:9px;transition:all .18s;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.tab-panel{display:none;animation:fadeIn .2s ease}.tab-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;margin-bottom:1rem;box-shadow:var(--shadow)}
.card-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text3);margin-bottom:1.1rem}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem;flex-wrap:wrap;gap:.75rem}
.card-header .card-title{margin-bottom:0}

.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.form-row .fg{flex:1;min-width:130px;margin-bottom:0}
.btn-add{padding:10px 20px;background:var(--text);color:#fff;border:none;border-radius:var(--rs);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:opacity .15s}
.btn-add:hover{opacity:.88}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:1.25rem}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1rem 1.15rem;box-shadow:var(--shadow)}
.stat-val{font-size:26px;font-weight:700;letter-spacing:-.5px;line-height:1}
.stat-label{font-size:11px;color:var(--text2);margin-top:5px;font-weight:500}

.list-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--rs);margin-bottom:8px;font-size:13px;flex-wrap:wrap}
.list-row-main{flex:1;min-width:180px}
.list-row-title{font-weight:700;font-size:14px}
.list-row-sub{color:var(--text2);font-size:12px;margin-top:2px;font-family:'JetBrains Mono',monospace}
.list-row-actions{display:flex;gap:6px;flex-wrap:wrap}

.pill{padding:2px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.02em}
.pill-blue{background:var(--accent-l);color:var(--accent)}
.pill-green{background:var(--green-l);color:var(--green)}
.pill-amber{background:var(--amber-l);color:var(--amber)}
.pill-red{background:var(--red-l);color:var(--red)}
.pill-purple{background:var(--purple-l);color:var(--purple)}

.btn-sm{padding:6px 14px;font-size:12px;font-family:inherit;border-radius:var(--rxs);cursor:pointer;font-weight:600;border:1.5px solid;transition:all .12s;background:transparent}
.btn-confirm{color:var(--green);border-color:var(--green-b)}.btn-confirm:hover{background:var(--green-l)}
.btn-reject{color:var(--red);border-color:var(--red-b)}.btn-reject:hover{background:var(--red-l)}
.btn-neutral{color:var(--text2);border-color:var(--border2)}.btn-neutral:hover{background:var(--surface2)}

.empty{text-align:center;padding:2.5rem;color:var(--text3);font-size:13px;font-weight:500}
.loading-bar{text-align:center;padding:4rem;color:var(--text2);font-size:14px;font-weight:500}
.spinner{width:28px;height:28px;border:2.5px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 1.25rem}
@keyframes spin{to{transform:rotate(360deg)}}

.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(12px);background:var(--text);color:#fff;padding:11px 24px;border-radius:var(--r);font-size:13px;font-weight:600;z-index:300;opacity:0;transition:all .25s;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.overlay{position:fixed;inset:0;background:rgba(24,23,15,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem}
.modal{background:var(--surface);border-radius:16px;padding:1.75rem;width:420px;max-width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--border)}
.modal h3{font-size:17px;font-weight:700;margin-bottom:1.1rem}
.modal-btns{display:flex;gap:8px;margin-top:1rem}
.btn-cancel{padding:10px 18px;background:transparent;border:1.5px solid var(--border2);border-radius:var(--rs);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;color:var(--text2)}
.btn-cancel:hover{background:var(--surface2)}

/* ── KALENDARZ TYGODNIOWY (współdzielony: uczeń/nauczyciel/admin) ── */
.week-nav{display:flex;align-items:center;gap:10px;margin-bottom:1rem}
.week-nav button{padding:6px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--rs);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;color:var(--text)}
.week-nav button:hover{background:var(--surface3)}
.week-label{font-size:14px;font-weight:700;flex:1;text-align:center;letter-spacing:-.2px}
.cal-wrap{overflow-x:auto;border-radius:var(--rs);border:1px solid var(--border)}
.cal-grid{display:grid;grid-template-columns:54px repeat(7,minmax(0,1fr));gap:0;min-width:560px}
.cal-cell{background:var(--surface);display:flex;align-items:center;justify-content:center;min-height:38px;font-size:12px;border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
.cal-cell:nth-child(8n){border-right:none}
.cal-head{background:var(--surface2);flex-direction:column;gap:2px;padding:8px 4px;font-size:10px;color:var(--text2);font-weight:600;letter-spacing:.04em;text-transform:uppercase;border-bottom:2px solid var(--border2)}
.cal-head .dn{font-size:14px;font-weight:700;color:var(--text);text-transform:none}
.cal-head.today-col{background:#eff6ff}
.cal-head.today-col .dn{color:var(--accent)}
.cal-time{background:var(--surface2);color:var(--text3);font-size:11px;font-family:'JetBrains Mono',monospace}
.slot-wrap{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:3px}
.slot{width:100%;height:30px;border-radius:5px;border:none;font-size:10px;font-weight:700;cursor:pointer;transition:all .15s;font-family:inherit}
.slot-available{background:var(--accent-l);color:var(--accent);border:1.5px solid var(--accent-b)}
.slot-available:hover{background:#bfdbfe;transform:scale(1.05)}
.slot-booked{background:var(--green-l);color:var(--green);border:1.5px solid var(--green-b);cursor:pointer}
.slot-done{background:#f1eefc;color:var(--purple);border:1.5px solid #ddd6fe;cursor:pointer}
.slot-pending{background:var(--amber-l);color:var(--amber);border:1.5px solid var(--amber-b);cursor:pointer}
.slot-locked{background:var(--surface2);color:var(--text3);border:1.5px solid var(--border);cursor:not-allowed;opacity:.6}
.slot-booked:hover,.slot-pending:hover,.slot-done:hover{opacity:.8;transform:scale(1.05)}
.cal-tooltip{position:absolute;z-index:50;background:var(--text);color:#fff;border-radius:var(--rs);padding:9px 12px;font-size:11px;font-weight:400;line-height:1.6;pointer-events:none;box-shadow:var(--shadow-lg);opacity:0;transition:opacity .15s;top:calc(100% + 6px);left:50%;transform:translateX(-50%);min-width:170px}
.cal-tooltip.show{opacity:1}
.cal-tooltip strong{font-weight:700;display:block;font-size:12px;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:4px;margin-bottom:4px}
.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}
.leg{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text2);font-weight:500}
.leg-dot{width:10px;height:10px;border-radius:3px}
.credits-badge{display:inline-flex;align-items:center;gap:5px;background:var(--green-l);color:var(--green);padding:3px 11px;border-radius:20px;font-size:12px;font-weight:700}

@media(max-width:640px){
  .stats{grid-template-columns:repeat(2,1fr)}
}