:root{ --brand:#007bff; --brand-dark:#0056b3; }
html,body{height:100%}
body{
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(1200px 700px at 10% 0%, rgba(255,255,255,.22), rgba(255,255,255,0) 60%),
    radial-gradient(900px 600px at 90% 20%, rgba(255,255,255,.16), rgba(255,255,255,0) 55%),
    linear-gradient(to bottom right,#40a0ff,#007bff);
}
img,svg,video,canvas{max-width:100%; height:auto;}
*{ box-sizing:border-box; }

/* Cards & Buttons */
.card{ background:rgba(255,255,255,.95); border-radius:14px; box-shadow:0 6px 16px rgba(0,0,0,.12); overflow:hidden; }
.btn-primary{ background:var(--brand); color:#fff; font-weight:600; border-radius:10px; padding:.7rem 1rem; transition:.2s; }
.btn-primary:hover{ background:var(--brand-dark); }
.btn-primary:active{ transform:translateY(1px); }
.btn-primary:disabled{ opacity:.6; cursor:not-allowed; }
.btn-ghost{ padding:.5rem .8rem; border-radius:10px; transition:.2s; }
.btn-ghost:hover{ background:rgba(0,0,0,.05); }
.input-style{ width:100%; border:1px solid #d1d5db; border-radius:10px; padding:.68rem .85rem; background:white; transition:border-color .15s ease, box-shadow .15s ease; }
.input-style::placeholder{ color:#9ca3af; }
.input-style:focus{ outline:0; border-color:rgba(59,130,246,.75); box-shadow:0 0 0 4px rgba(59,130,246,.18); }

.field-label{ display:block; font-size:.86rem; font-weight:600; color:#374151; margin:0 0 .35rem; }
.field-error{ margin-top:.6rem; font-size:.88rem; color:#dc2626; min-height:1.25rem; }

/* App shell */
:root{
  --sidebar-expanded: 280px;
  --sidebar-collapsed: 88px;
  --sidebar-w: var(--sidebar-expanded);
}
body.sidebar-collapsed{ --sidebar-w: var(--sidebar-collapsed); }

.app-shell{
  display:grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height:100vh;
}

/* Sidebar */
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  width:var(--sidebar-w);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-right:1px solid rgba(255,255,255,.55);
  padding:14px 12px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:width .18s ease;
  z-index:52;
}
.sidebar-top{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 8px 4px;
}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:#111827;
  flex:1;
  min-width:0;
}
.sidebar-logo{ width:34px; height:34px; object-fit:contain; background:#fff; border-radius:10px; box-shadow:0 4px 12px rgba(0,0,0,.08); }
.sidebar-title{
  font-weight:800;
  font-size:1rem;
  line-height:1.1;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sidebar-collapse{
  width:36px; height:36px; border-radius:10px;
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid rgba(0,0,0,.08);
  background:rgba(255,255,255,.6);
  transition:background .15s ease, transform .08s ease;
}
.sidebar-collapse:hover{ background:rgba(0,0,0,.04); }
.sidebar-collapse svg{ width:18px; height:18px; opacity:.75; }
body.sidebar-collapsed .sidebar-collapse svg{ transform:rotate(180deg); }

.sidebar-nav{ display:flex; flex-direction:column; gap:6px; padding:4px 6px; }
.sidebar-link{ width:100%; justify-content:flex-start; }
.sidebar-link .ico{ width:18px; height:18px; display:inline-flex; }
.sidebar-link .ico svg{ width:18px; height:18px; }
.sidebar-link .lbl{ white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

.sidebar-sep{ height:1px; background:rgba(0,0,0,.06); margin:6px 6px; }
.sidebar-section-title{ font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:#6b7280; padding:6px 10px 2px; }
body.sidebar-collapsed .sidebar-title,
body.sidebar-collapsed .sidebar-section-title,
body.sidebar-collapsed .sidebar-link .lbl,
body.sidebar-collapsed .sidebar-me{ display:none; }
body.sidebar-collapsed .sidebar-top{ justify-content:center; }
body.sidebar-collapsed .sidebar-brand{ justify-content:center; }
body.sidebar-collapsed .sidebar-brand{ flex:0; }

.sidebar-bottom{
  margin-top:auto;
  padding:10px 8px 6px;
  display:flex;
  align-items:center;
  gap:10px;
  border-top:1px solid rgba(0,0,0,.06);
}
.sidebar-me{ min-width:0; }
.sidebar-me .name{ font-weight:700; font-size:.9rem; color:#111827; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sidebar-me .role{ font-size:.75rem; color:#6b7280; }
.sidebar-logout{
  margin-left:auto;
  padding:.55rem .8rem;
  border-radius:10px;
  border:1px solid rgba(0,0,0,.08);
  background:rgba(255,255,255,.6);
  transition:background .15s ease;
}
.sidebar-logout:hover{ background:rgba(0,0,0,.04); }

.sidebar-backdrop{
  position:fixed; inset:0;
  background:rgba(0,0,0,.35);
  z-index:51;
}

/* Main */
.app-main{ min-width:0; display:flex; flex-direction:column; }
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.55);
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:10px;
}
.sidebar-toggle{
  width:40px; height:40px; border-radius:12px;
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid rgba(0,0,0,.08);
  background:rgba(255,255,255,.6);
}
.sidebar-toggle:hover{ background:rgba(0,0,0,.04); }
.sidebar-toggle svg{ width:20px; height:20px; opacity:.8; }
.topbar-spacer{ flex:1; }
.app-content{ padding:24px 16px 34px; }

/* Auth (login) */
.auth-shell{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px 14px;
}
.auth-wrap{ width:100%; max-width:1060px; }
.auth-card{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  background:rgba(255,255,255,.92);
  border-radius:18px;
  box-shadow:0 14px 40px rgba(0,0,0,.16);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.55);
}
.auth-left{ padding:28px 28px 26px; }
.auth-brand{ display:flex; align-items:center; gap:12px; }
.auth-logo{ width:44px; height:44px; border-radius:14px; background:#fff; object-fit:contain; box-shadow:0 10px 22px rgba(0,0,0,.10); }
.auth-appname{ font-weight:900; color:#0f172a; letter-spacing:-.01em; }
.auth-tagline{ font-size:.9rem; color:#475569; margin-top:2px; }
.auth-hero{ margin-top:18px; }
.auth-title{ font-size:2rem; font-weight:900; color:#111827; letter-spacing:-.02em; }
.auth-subtitle{ margin-top:6px; color:#6b7280; }
.auth-form{ margin-top:18px; display:flex; flex-direction:column; gap:14px; }
.auth-right{
  position:relative;
  padding:28px;
  background:
    radial-gradient(600px 420px at 20% 20%, rgba(255,255,255,.20), rgba(255,255,255,0) 60%),
    radial-gradient(520px 420px at 70% 70%, rgba(255,255,255,.16), rgba(255,255,255,0) 55%),
    linear-gradient(to bottom right, rgba(64,160,255,.95), rgba(0,123,255,.95));
}
.auth-illus{ position:relative; height:100%; min-height:320px; }
.blob{ position:absolute; border-radius:999px; filter:blur(0); opacity:.70; }
.blob.b1{ width:240px; height:240px; left:-70px; top:20px; background:rgba(255,255,255,.20); }
.blob.b2{ width:320px; height:320px; right:-120px; bottom:-90px; background:rgba(255,255,255,.14); }
.auth-illus-card{
  position:absolute; left:24px; right:24px; bottom:26px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.55);
  border-radius:16px;
  padding:16px 16px 14px;
  box-shadow:0 18px 44px rgba(0,0,0,.20);
}
.kpi{ display:flex; align-items:flex-end; gap:10px; }
.kpi-num{ font-size:2.2rem; font-weight:900; color:#0f172a; line-height:1; }
.kpi-label{ font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; color:#64748b; padding-bottom:2px; }
.kpi-desc{ margin-top:8px; color:#475569; font-size:.92rem; }
.mini-list{ display:flex; flex-direction:column; gap:8px; margin-top:12px; color:#334155; font-size:.9rem; }
.mini-item{ display:flex; align-items:center; gap:10px; }
.mini-item .dot{ width:9px; height:9px; border-radius:99px; background:linear-gradient(180deg, #60a5fa, #3b82f6); box-shadow:0 0 0 4px rgba(59,130,246,.18); }

@media (max-width: 960px){
  .auth-card{ grid-template-columns:1fr; }
  .auth-right{ display:none; }
  .auth-left{ padding:24px 18px 20px; }
  .auth-title{ font-size:1.75rem; }
}

/* Nav link with underline + active pill */
.nav-link{
  position:relative; font-size:.92rem; padding:.55rem .8rem; border-radius:.6rem;
  display:inline-flex; align-items:center; gap:.4rem; color:#374151; transition:color .2s, background .2s, transform .08s;
  text-decoration:none; outline:0;
}
.nav-link:hover{ background:#f3f4f6; }
.nav-link:focus-visible{ box-shadow:0 0 0 3px rgba(59,130,246,.35); }
.nav-link::after{
  content:""; position:absolute; left:12px; right:12px; bottom:6px; height:2px;
  background:linear-gradient(90deg,#60a5fa,#3b82f6);
  transform:scaleX(0); transform-origin:right; transition:transform .18s ease-out; border-radius:2px;
}
.nav-link:hover::after{ transform:scaleX(1); transform-origin:left; }
.nav-link.active{ background:#e8f1ff; color:#0b5ed7; font-weight:600; }
.nav-link.active::after{ transform:scaleX(1); transform-origin:left; }

/* Sidebar active indicator */
.sidebar .nav-link::after{ display:none; }
.sidebar .nav-link.active{
  background:#e8f1ff;
  color:#0b5ed7;
  font-weight:700;
}
.sidebar .nav-link.active::before{
  content:"";
  position:absolute;
  left:6px;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:999px;
  background:linear-gradient(180deg,#60a5fa,#3b82f6);
}

/* Top progress bar */
#topbar{ position:fixed; top:0; left:0; height:3px; width:0; background:linear-gradient(90deg,#6ee7b7,#60a5fa,#f472b6); z-index:60; transition:width .2s ease; }

/* Global Loader */
#app-loader{ position:fixed; inset:0; background:rgba(255,255,255,.6); backdrop-filter:blur(3px); display:none; align-items:center; justify-content:center; z-index:55;}
.spinner{ width:64px; height:64px; border:5px solid rgba(0,0,0,.15); border-top-color:var(--brand); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg);} }

/* Toasts */
#toast-wrap{ position:fixed; right:16px; bottom:16px; display:flex; flex-direction:column; gap:10px; z-index:70; }
.toast{ display:flex; align-items:flex-start; gap:10px; background:#fff; border-left:6px solid var(--brand); padding:12px 14px; border-radius:12px; box-shadow:0 10px 25px rgba(0,0,0,.12); min-width:260px; max-width:360px; }
.toast.success{ border-left-color:#10b981; }
.toast.error{ border-left-color:#ef4444; }
.toast.info{ border-left-color:#3b82f6; }
.toast .title{ font-weight:700; margin-bottom:2px; }
.toast .msg{ font-size:.9rem; color:#4b5563; }
.toast .close{ margin-left:auto; opacity:.6; }
.toast .close:hover{ opacity:1; }

/* Confirm modal */
#confirm-modal{ position:fixed; inset:0; display:none; align-items:center; justify-content:center; z-index:65; }
#confirm-modal .bg{ position:absolute; inset:0; background:rgba(0,0,0,.2); }
#confirm-modal .box{ position:relative; background:#fff; border-radius:14px; padding:18px; width:100%; max-width:420px; box-shadow:0 10px 30px rgba(0,0,0,.18); }
#confirm-modal .actions{ display:flex; justify-content:flex-end; gap:10px; margin-top:14px; }

/* Mobile drawer */
.drawer{ max-height:70vh; overflow:auto; }

/* Dropdown animation */
.dropdown{ transform-origin:top right; transform:scale(.98); opacity:0; transition:opacity .12s ease, transform .12s ease; }
.dropdown.open{ opacity:1; transform:scale(1); }

/* Responsive sidebar */
@media (max-width: 768px){
  .app-shell{ grid-template-columns: 1fr; }
  .sidebar{
    position:fixed;
    left:0; top:0;
    transform:translateX(-104%);
    box-shadow:0 12px 30px rgba(0,0,0,.18);
    transition:transform .18s ease;
  }
  body.sidebar-open .sidebar{ transform:translateX(0); }
  .topbar{ padding:10px 12px; }
  .app-content{ padding:18px 12px 28px; }
}