/* =========================================================
   THEME / LAYOUT (FULLSCREEN READY) — Sidebar Biru Gelap
   ========================================================= */

/* Reset & base */
* { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; line-height:1.5; }

:root{
  --primary:#0d6efd;
  --gray:#6c757d;
  --dark:#343a40;
  --sidebar-w:220px;

  --sidebar-bg-top:#0f308d;
  --sidebar-bg-bottom:#0f308d;
  --sidebar-text:#ffffff;
  --sidebar-text-weak:#bbdefb;
  --sidebar-icon:#e3f2fd;
  --sidebar-icon-active:#ffeb3b;
  --sidebar-hover-bg:rgba(255,255,255,.12);
  --sidebar-active-bg:rgba(255,255,255,.2);
  --sidebar-active-border:#ffeb3b;

  --header-h:56px;
  --gutter:20px;
}

/* ========================
   BODY
   ======================== */
body {
  font-family:'Source Sans Pro', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size:14px;
  color:#222;
  background:#f4f6f9;
  display:flex;
  flex-direction:column;
  min-height:100vh;
  overflow-x:hidden;
  --sidebar-current: var(--sidebar-w);
}
body.sidebar-closed { --sidebar-current: 0px; }

a{ color:inherit; text-decoration:none; }
a:hover, a:focus{ color: var(--primary); }
a:focus-visible{ outline: 3px solid rgba(13,110,253,.18); outline-offset: 2px; }

/* ========================
   WRAPPER
   ======================== */
.wrapper {
  display:flex;
  flex:1;
  min-height:0;
  position:relative;
}

/* ========================
   SIDEBAR
   ======================== */
.main-sidebar{
  width: var(--sidebar-w);
  position: fixed;
  top:0; bottom:0; left:0;
  background: linear-gradient(180deg, var(--sidebar-bg-top), var(--sidebar-bg-bottom));
  color:#fff;
  z-index:1040;
  overflow-y:auto;
  box-shadow:2px 0 10px rgba(0,0,0,.12);
  transform: translateX(0);
  transition: transform 0.25s ease;
}
body.sidebar-closed .main-sidebar{ transform:translateX(-100%); }

/* Branding */
.main-sidebar .brand-link{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:16px;
  font-weight:700;
  font-size:1.15rem;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.main-sidebar .brand-link img{
  height:42px; width:42px;
  object-fit:cover;
  border-radius:8px;
}

/* User panel */
.user-panel{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.user-panel .image img{
  width:46px; height:46px;
  object-fit:cover;
  border-radius:50%;
}
.user-panel .info a{
  font-size:1rem;
  font-weight:600;
  color:#fff;
}

/* Sidebar Search */
.form-inline{
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.form-control.form-control-sidebar{
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color:#fff;
  padding:8px 10px;
  border-radius:6px;
}
.form-control.form-control-sidebar::placeholder{ color:#bbdefb; }
.btn.btn-sidebar{
  background: rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
  padding:8px 10px;
  border-radius:6px;
}

/* ========================
   SIDEBAR MENU
   ======================== */
.nav-sidebar .nav-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 18px;
  color: var(--sidebar-text);
  font-size:1rem;
  font-weight:500;
  transition: background .2s ease, padding-left .2s ease;
}
.nav-sidebar .nav-link i{
  font-size:1.25rem;
  width:26px;
  text-align:center;
  color: var(--sidebar-icon);
}
.nav-sidebar .nav-link:hover{
  background: var(--sidebar-hover-bg);
}
.nav-sidebar .nav-link.active{
  background: var(--sidebar-active-bg);
  border-left:4px solid var(--sidebar-active-border);
  padding-left:16px;
  font-weight:600;
}
.nav-sidebar .nav-link.active i{
  color: var(--sidebar-icon-active);
}

/* Submenu */
.nav-item.has-submenu > .nav-treeview{ display:none; }
.nav-item.has-submenu.menu-open > .nav-treeview{ display:block; }
.nav-treeview .nav-link{
  font-size:.95rem;
  padding:9px 14px;
  color: var(--sidebar-text-weak);
}
.nav-treeview .nav-link.active{
  background: var(--sidebar-active-bg);
  border-left:3px solid var(--sidebar-active-border);
  font-weight:600;
}

/* ========================
   HEADER
   ======================== */
.main-header{
  position: fixed;
  top:0;
  left: calc(var(--sidebar-current));
  right:0;
  height: var(--header-h);
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 16px;
  background:#fff;
  border-bottom:1px solid #e6e6e6;
  z-index:1035;
  box-shadow:0 2px 6px rgba(0,0,0,.04);
  transition:left 0.25s ease;
}

/* Toggle sidebar */
.toggle-sidebar{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px; height:36px;
  border-radius:8px;
  border:1px solid #eee;
  background:#fff;
  cursor:pointer;
  font-size:16px;
}

/* ========================
   CONTENT
   ======================== */
.content-wrapper{
  flex:1;
  display:flex;
  flex-direction:column;
  min-height:0;
  padding-top: calc(var(--header-h) + 10px);
  padding-left: calc(var(--sidebar-current) + 20px);
  transition: padding-left 0.25s ease;
}
body.sidebar-closed .content-wrapper{ padding-left:20px; }

/* ========================
   FOOTER
   ======================== */
.main-footer{
  background:#fff;
  border-top:1px solid #e6e6e6;
  color:#555;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-shrink:0;
  margin-top:auto;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width:992px){
  body{ --sidebar-current:0px; }
  .main-header{ left:0; }
  .main-sidebar{
    left:-240px;
    width:240px;
    transition:left 0.3s ease-in-out;
  }
  body.sidebar-open .main-sidebar{ left:0; }

  /* Overlay belakang sidebar */
  .sidebar-overlay{
    position:fixed;
    top:0; left:0;
    width:100%; height:100%;
    background:rgba(0,0,0,0.4);
    z-index:1000;
    display:none;
  }
  body.sidebar-open .sidebar-overlay{ display:block; }

  /* Konten tidak geser berlebihan */
  .content-wrapper{
    padding-left:16px;
    padding-right:16px;
    transition:margin-left 0.3s ease-in-out;
  }
  body.sidebar-open .content-wrapper{
    margin-left:240px;
  }
}

/* Lebih kecil lagi (HP) */
@media (max-width:576px){
  .main-header{ height:52px; }
  .toggle-sidebar{ width:34px; height:34px; }
  .card-body{ padding:12px; }
  footer.main-footer{
    font-size:0.8rem;
    text-align:center;
  }
}
/* ==========================
   RESPONSIVE IMPROVEMENT
   ========================== */

/* Tablet dan bawah */
@media (max-width: 992px) {
  body { --sidebar-current: 0px; }

  .main-sidebar {
    position: fixed;
    top: 0;
    left: -240px;
    width: 240px;
    height: 100%;
    z-index: 1050;
    transition: left 0.3s ease-in-out;
  }

  /* Saat sidebar dibuka */
  body.sidebar-open .main-sidebar {
    left: 0;
  }

  /* Overlay belakang */
  .sidebar-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.45);
    z-index: 1040;
    display: none;
  }

  body.sidebar-open .sidebar-overlay {
    display: block;
  }

  /* Konten */
  .content-wrapper {
    padding: 12px;
    margin-left: 0 !important;
    transition: all 0.3s ease-in-out;
  }

  /* Tombol toggle muncul hanya di HP */
  .toggle-sidebar {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #ddd;
    font-size: 18px;
  }
}

/* HP kecil */
@media (max-width: 576px) {
  .main-sidebar {
    width: 200px;
  }

  .brand-link img {
    width: 34px;
    height: 34px;
  }

  .user-panel .info a {
    font-size: 0.9rem;
  }

  .content-header h1 {
    font-size: 1.1rem;
  }

  footer.main-footer {
    font-size: 0.8rem;
    text-align: center;
    flex-direction: column;
    gap: 4px;
  }
}