:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#1f2733; --muted:#6b7684;
  --brand:#1f5fbf; --brand-dark:#174a97; --line:#e3e8ef;
  --ok:#188a4e; --err:#c0392b; --sidebar:#141b2d; --sidebar-ink:#c7d0e0;
}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Auth ---------- */
body.bare{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1f5fbf,#141b2d)}
.auth-wrap{width:100%;max-width:380px;padding:20px}
.auth-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.auth-title{margin:0;font-size:22px;text-align:center;color:var(--brand-dark)}
.auth-sub{margin:4px 0 18px;text-align:center;color:var(--muted)}
.auth-card label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted)}
.auth-card input{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px}
.auth-links{margin-top:14px;display:flex;justify-content:space-between;font-size:13px}
.remember-row{display:flex !important;align-items:center;gap:8px;margin-bottom:16px !important;font-size:13px;color:var(--ink)}
.remember-row input{width:auto !important;margin:0 !important}
.btn-primary{width:100%;padding:11px;background:var(--brand);color:#fff;border:0;border-radius:8px;font-size:15px;cursor:pointer}
.btn-primary:hover{background:var(--brand-dark)}
.btn-primary:disabled{opacity:.6;cursor:default}

/* ---------- Alerts ---------- */
.alert{padding:10px 12px;border-radius:8px;margin-bottom:14px;font-size:13px}
.alert-error{background:#fdecea;color:var(--err);border:1px solid #f5c6cb}
.alert-success{background:#eafaf1;color:var(--ok);border:1px solid #b7e4c7}

/* ---------- App shell ---------- */
.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 16px;position:sticky;top:0;z-index:20}
.topbar-left{display:flex;align-items:center;gap:12px}
.brand{font-weight:600;color:var(--brand-dark)}
.hamburger{background:none;border:0;font-size:20px;cursor:pointer;color:var(--muted)}
.topbar-right{display:flex;align-items:center;gap:14px}
.user-name{color:var(--muted)}
.btn-logout{padding:6px 12px;border:1px solid var(--line);border-radius:6px}
.app-body{display:flex;min-height:calc(100vh - 56px)}

/* ---------- Sidebar ---------- */
.sidebar{width:230px;background:var(--sidebar);color:var(--sidebar-ink);flex-shrink:0;transition:width .15s}
.sidebar.collapsed{width:0;overflow:hidden}
.menu{list-style:none;margin:0;padding:8px 0}
.menu-item>a{display:flex;align-items:center;gap:10px;padding:11px 18px;color:var(--sidebar-ink)}
.menu-item>a:hover{background:rgba(255,255,255,.06);text-decoration:none}
.menu-item.active>a{background:var(--brand);color:#fff}
.submenu{list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;background:rgba(0,0,0,.2);transition:max-height .2s}
.menu-item.open .submenu,.menu-item.active .submenu{max-height:400px}
.submenu li a{display:block;padding:9px 18px 9px 44px;color:var(--sidebar-ink);font-size:13px}
.submenu li a:hover{background:rgba(255,255,255,.06);text-decoration:none}
.submenu li.active a{color:#fff;font-weight:600}
.ico{width:16px;height:16px;display:inline-block;opacity:.8}

/* ---------- Content ---------- */
/* .content umple spatiul de langa sidebar; copiii sunt incadrati intr-o
   coloana centrata cu latime maxima, ca sa nu se intinda pe ecrane late. */
.content{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;padding:24px 30px;overflow-x:hidden}
.content > *{width:100%;max-width:1180px}
.page-title{margin:0 0 18px;font-size:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.stat .n{font-size:26px;font-weight:700;color:var(--brand-dark)}
.stat .l{color:var(--muted);font-size:13px;margin-top:4px}

/* ---------- Tables & forms ---------- */
table.tbl{width:100%;border-collapse:collapse;background:var(--panel)}
table.tbl th,table.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
table.tbl th{background:#f0f3f8;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.btn{display:inline-block;padding:7px 14px;border-radius:6px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13px}
.btn:hover{background:#f0f3f8;text-decoration:none}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.danger{background:var(--err);color:#fff;border-color:var(--err)}
.form-row{margin-bottom:14px}
.form-row label{display:block;margin-bottom:5px;color:var(--muted);font-size:13px}
.form-row input,.form-row select{width:100%;max-width:420px;padding:9px 11px;border:1px solid var(--line);border-radius:7px;font-size:14px}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.perm-table td{text-align:center}
.perm-table td:first-child{text-align:left}
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;background:#eef2f8;color:var(--muted)}
.badge.on{background:#eafaf1;color:var(--ok)}
.badge.off{background:#fdecea;color:var(--err)}

/* Backdrop pentru meniul mobil (overlay) */
.sidebar-backdrop{position:fixed;inset:56px 0 0 0;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:opacity .2s;z-index:29}
.sidebar-backdrop.show{opacity:1;visibility:visible}

/* ======================================================================
   RESPONSIVE
   ====================================================================== */

/* Tablete si ecrane medii */
@media (max-width: 1024px){
  .content{padding:18px 18px}
  .form-row input,.form-row select{max-width:100%}
}

/* Telefoane / ecrane mici: sidebar off-canvas ca overlay */
@media (max-width: 768px){
  .app-body{display:block}
  .content{padding:14px}

  .sidebar{
    position:fixed;top:56px;left:0;bottom:0;width:250px;max-width:82vw;
    transform:translateX(-100%);transition:transform .22s ease;
    z-index:30;box-shadow:2px 0 16px rgba(0,0,0,.35);overflow-y:auto
  }
  .sidebar.collapsed{width:250px}          /* neutralizeaza colapsul de desktop */
  .sidebar.open{transform:translateX(0)}

  /* pe mobil submeniurile stau deschise, ca sa fie accesibile la atingere */
  .menu-item.has-sub .submenu{max-height:none}

  .topbar{padding:0 12px}
  .brand{font-size:15px}
  .user-name{display:none}                 /* economisim spatiu */

  .page-title{font-size:18px}
  .card{padding:14px}

  .toolbar{flex-wrap:wrap;gap:10px;align-items:flex-start}
  .toolbar .page-title{margin-bottom:0}

  .grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}

  /* tabele: scroll orizontal in loc sa sparga layout-ul */
  table.tbl{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}

  /* butoanele din randuri de tabel se aseaza mai lejer */
  table.tbl td .btn{margin:2px 0}

  .auth-wrap{padding:14px}
  .auth-card{padding:22px}
}

/* Ecrane foarte mici */
@media (max-width: 420px){
  .stat .n{font-size:22px}
  .btn{padding:8px 12px}
  .btn-logout{padding:6px 10px}
}

/* Hamburgerul apare doar cand are sens (pe toate rezolutiile e util) */
.hamburger{display:inline-block}