/* Custom UI enhancements for mobile-friendly, more attractive, animated interface */

:root {
  --ui-bg: #f4f7fb;
  --ui-surface: rgba(255, 255, 255, 0.92);
  --ui-surface-strong: #ffffff;
  --ui-primary: #3b82f6;
  --ui-primary-dark: #1d4ed8;
  --ui-accent: #8b5cf6;
  --ui-text: #1f2937;
  --ui-muted: #6b7280;
  --ui-border: rgba(148, 163, 184, 0.18);
  --ui-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --ui-radius-xl: 24px;
  --ui-radius-lg: 18px;
}

html, body {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
  color: var(--ui-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrapper,
.content-wrapper,
.main-sidebar,
.main-header,
.main-footer {
  transition: all 0.25s ease;
}

.main-header .logo,
.main-header .navbar {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 55%, #7c3aed 100%);
  color: #fff !important;
  border: none;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
}

.main-header .logo {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.main-header .navbar {
  min-height: 58px;
}

.main-header .sidebar-toggle,
.main-header .navbar-nav > li > a {
  color: #fff !important;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.main-header .sidebar-toggle:hover,
.main-header .navbar-nav > li > a:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  transform: translateY(-1px);
}

.main-sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  box-shadow: 12px 0 30px rgba(15, 23, 42, 0.22);
}

.sidebar-menu > li.header {
  color: rgba(255, 255, 255, 0.68) !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  padding-top: 18px;
}

.sidebar-menu > li > a,
.sidebar-menu .treeview-menu > li > a {
  border-radius: 12px;
  margin: 4px 10px;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.sidebar-menu > li > a:hover,
.sidebar-menu .treeview-menu > li > a:hover {
  background: rgba(59, 130, 246, 0.18);
  transform: translateX(4px);
}

.sidebar-menu .treeview-menu {
  background: rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
}

.sidebar-menu--custom > li > a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-menu--custom > li > a > span {
  flex: 1 1 auto;
  min-width: 0;
}

.sidebar-menu--custom .treeview-menu > li > a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-menu--custom .treeview-menu > li > a > span {
  flex: 1 1 auto;
  min-width: 0;
}

.sidebar-collapse .sidebar-menu--custom > li > a,
.sidebar-collapse .sidebar-menu--custom .treeview-menu > li > a {
  justify-content: center;
  padding-left: 12px;
  padding-right: 12px;
}

.sidebar-collapse .sidebar-menu--custom > li > a > span,
.sidebar-collapse .sidebar-menu--custom .treeview-menu > li > a > span,
.sidebar-collapse .sidebar-menu--custom > li > a .pull-right,
.sidebar-collapse .sidebar-menu--custom .treeview-menu > li > a .pull-right,
.sidebar-collapse .sidebar-menu--custom > li.header {
  display: none !important;
}

.sidebar-collapse .sidebar-menu--custom > li > a > i {
  margin-right: 0;
  width: 20px;
  text-align: center;
}

.content-wrapper {
  background: transparent;
}

.box,
.login-box {
  box-shadow: var(--ui-shadow);
  border-radius: var(--ui-radius-xl);
  overflow: hidden;
  border: 1px solid var(--ui-border);
  animation: fadeUp 0.55s ease both;
}

.box {
  background: var(--ui-surface);
  backdrop-filter: blur(10px);
}

.box.box-success {
  border-top-color: var(--ui-primary);
}

.main-footer {
  background: rgba(255, 255, 255, 0.88);
  color: var(--ui-muted);
  border-top: 1px solid var(--ui-border);
  backdrop-filter: blur(10px);
}

.main-footer strong,
.main-footer a {
  color: var(--ui-text);
}

.login-page {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 50%, #7c3aed 100%);
}

.login-box {
  background: var(--ui-surface-strong);
  backdrop-filter: blur(8px);
}

.login-left {
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 35%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.login-logo {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--ui-text);
  margin-bottom: 16px;
}

.login-box-msg {
  color: var(--ui-muted);
}

.login-left .form-control {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  height: 54px;
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.login-left .form-control:focus {
  border-color: var(--ui-primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
  transform: translateY(-1px);
}

.login-left .btn-primary,
.btn.ui-primary {
  background: linear-gradient(135deg, var(--ui-primary) 0%, var(--ui-accent) 100%);
  border: none;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(59, 130, 246, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.login-left .btn-primary:hover,
.btn.ui-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(59, 130, 246, 0.34);
  filter: brightness(1.03);
}

.login-right {
  position: relative;
  overflow: hidden;
}

.login-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  animation: gentleZoom 14s ease-in-out infinite alternate;
}

.login-right::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.28));
}

.hidden-xs {
  white-space: nowrap;
}

.fade-in-up,
.box-body,
.login-left,
.sidebar-menu > li,
.main-header .navbar-nav > li {
  animation: fadeUp 0.45s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gentleZoom {
  from { transform: scale(1.03); }
  to { transform: scale(1.08); }
}

@media (max-width: 767px) {
  .main-header .logo {
    width: 170px;
  }

  .main-header .navbar-custom-menu {
    float: right;
  }

  .main-header .navbar-nav > li > a {
    padding: 14px 10px;
  }

  .content-wrapper,
  .main-footer {
    margin-left: 0;
  }

  .box,
  .login-box {
    border-radius: 18px;
  }

  .login-box {
    margin: 10px;
  }

  .login-right {
    height: 220px;
  }

  .main-sidebar {
    box-shadow: none;
  }

  .sidebar-menu > li > a,
  .sidebar-menu .treeview-menu > li > a {
    margin: 4px 6px;
  }
}