/* Box sizing reset */
*{box-sizing:border-box}
html{
  font-size: 16px; /* Base font size - 1rem = 16px */
  height:100%;
}
body{
  height:100%;
  margin:0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a{
  color:var(--blue);
  text-decoration:none;
  transition: color 0.2s ease;
}
a:hover{
  text-decoration:none;
}

.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.py-6{padding-block:24px}

/* ==============================================
   HEADER / TOPBAR
   ============================================== */

.topbar{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.topbar .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--spacing-4);
}

/* Brand / Logo */
.brand{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.brand:hover{
  color: var(--blue);
  text-decoration: none;
}

.brand i{
  font-size: 1.5rem;
}

/* Navigation */
.nav{
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.nav-link{
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--text);
  opacity: 0.8;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none !important;
  text-underline-offset: 0 !important;
  -webkit-text-decoration: none !important;
  -moz-text-decoration: none !important;
  border-bottom: 0 solid transparent !important;
  box-shadow: none !important;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-base);
  transition: opacity 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.nav-link:focus,
.nav-link:active,
.nav-link:visited,
.nav-link:link{
  opacity: 1;
  background: var(--table-hover-bg);
  text-decoration: none !important;
  -webkit-text-decoration: none !important;
  -moz-text-decoration: none !important;
  border-bottom: 0 solid transparent !important;
  box-shadow: none !important;
}

/* User Profile Navigation - extends nav-link styling */
.user-profile-nav {
  text-decoration: none !important;
  -webkit-text-decoration: none !important;
  border-bottom: 0 solid transparent !important;
}

.user-profile-nav:focus,
.user-profile-nav:active,
.user-profile-nav:visited,
.user-profile-nav:link {
  text-decoration: none !important;
  -webkit-text-decoration: none !important;
  border-bottom: 0 solid transparent !important;
}

.user-profile-nav *,
.nav-link *,
.user-name-nav {
  text-decoration: none !important;
  border-bottom: 0 solid transparent !important;
}

.user-avatar-mini {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  flex-shrink: 0;
}

.avatar-mini-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar-mini i {
  font-size: 1.5rem;
}

.user-name-nav {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none !important;
  border-bottom: none !important;
}

.user-name-nav:hover {
  text-decoration: none !important;
  border-bottom: none !important;
}

@media (max-width: 768px) {
  .user-name-nav {
    display: none;
  }
}

/* =================================
   NAVIGATION - NO UNDERLINES EVER
   ================================= */
.topbar,
.topbar *,
.topbar a,
.topbar a:hover,
.topbar a:focus,
.topbar a:active,
.topbar a:visited,
.topbar .nav-link,
.topbar .nav-link:hover,
.topbar .nav-link:focus,
.topbar .user-profile-nav,
.topbar .user-profile-nav:hover,
.topbar .user-profile-nav:focus {
  text-decoration: none !important;
  border-bottom: none !important;
}

/* Theme Toggle Button */
.theme-toggle{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
}

.theme-toggle:active{
  transform: scale(0.95);
}

.theme-toggle i{
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.theme-toggle:hover i{
  transform: rotate(20deg);
}

/* User Profile Dropdown */
.user-menu{
  position: relative;
}

.user-menu-toggle{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.user-menu-toggle:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
}

.user-avatar{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

.user-info{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.user-name{
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
}

.user-email{
  font-size: var(--font-size-xs);
  color: var(--muted);
  line-height: 1.2;
}

.user-menu-dropdown{
  position: absolute;
  top: calc(100% + var(--spacing-2));
  right: 0;
  min-width: 200px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  z-index: 1000;
}

.user-menu.active .user-menu-dropdown{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu-item{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  color: var(--text);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background-color 0.2s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.user-menu-item:first-child{
  border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.user-menu-item:last-child{
  border-radius: 0 0 var(--radius-base) var(--radius-base);
}

.user-menu-item:hover{
  background: var(--table-hover-bg);
  text-decoration: none;
}

.user-menu-item i{
  width: 16px;
  text-align: center;
}

.user-menu-divider{
  height: 1px;
  background: var(--border);
  margin: var(--spacing-1) 0;
}

/* Notification Bell */
.notification-bell{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.notification-bell:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
}

.notification-bell i{
  font-size: 1.25rem;
}

.notification-badge{
  position: absolute;
  top: -4px;
  right: -4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  border-radius: 9px;
  border: 2px solid var(--surface);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover{
  background: var(--table-hover-bg);
}

.mobile-menu-toggle i{
  font-size: 1.5rem;
}

/* ==============================================
   SIDEBAR NAVIGATION
   ============================================== */

.app-layout{
  display: flex;
  min-height: 100vh;
}

.sidebar{
  position: fixed;
  top: 64px;
  left: 0;
  width: 260px;
  height: calc(100vh - 64px);
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  transition: transform 0.3s ease, width 0.3s ease;
  z-index: 90;
}

.sidebar-header{
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--border);
}

.sidebar-title{
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--muted);
  margin: 0;
}

.sidebar-nav{
  padding: var(--spacing-2) 0;
}

.sidebar-section{
  padding: var(--spacing-2) 0;
}

.sidebar-section-title{
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--muted);
}

.sidebar-link{
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
}

.sidebar-link i{
  width: 20px;
  font-size: 1.25rem;
  text-align: center;
}

.sidebar-link:hover{
  background: var(--table-hover-bg);
  text-decoration: none;
}

.sidebar-link.active{
  background: rgba(77, 163, 255, 0.1);
  color: var(--blue);
}

.sidebar-link.active::before{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--blue);
}

/* Sidebar Badge (for counts) */
.sidebar-badge{
  margin-left: auto;
  padding: 2px 6px;
  background: var(--blue);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
}

/* Sidebar Toggle */
.sidebar-toggle{
  position: fixed;
  bottom: var(--spacing-4);
  left: var(--spacing-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  z-index: 91;
  transition: transform 0.3s ease;
}

.sidebar-toggle:hover{
  background: var(--table-hover-bg);
}

/* Collapsed Sidebar */
.sidebar.collapsed{
  width: 72px;
}

.sidebar.collapsed .sidebar-header,
.sidebar.collapsed .sidebar-section-title{
  display: none;
}

.sidebar.collapsed .sidebar-link span{
  display: none;
}

.sidebar.collapsed .sidebar-link{
  justify-content: center;
  padding: var(--spacing-2);
}

.sidebar.collapsed .sidebar-link i{
  margin: 0;
}

/* Main Content with Sidebar */
.main-content{
  flex: 1;
  margin-left: 260px;
  padding: var(--spacing-6) var(--spacing-4);
  min-height: calc(100vh - 64px);
  transition: margin-left 0.3s ease;
}

.sidebar.collapsed + .main-content{
  margin-left: 72px;
}

/* ==============================================
   BREADCRUMBS
   ============================================== */

.breadcrumb{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  padding: var(--spacing-3) 0;
  margin: 0;
  list-style: none;
  font-size: var(--font-size-sm);
}

.breadcrumb-item{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--muted);
}

.breadcrumb-item a{
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-item a:hover{
  color: var(--blue);
  text-decoration: underline;
}

.breadcrumb-item.active{
  color: var(--text);
  font-weight: var(--font-weight-medium);
}

.breadcrumb-separator{
  color: var(--muted);
  user-select: none;
}

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

@media (max-width: 768px){
  /* Hide sidebar by default on mobile */
  .sidebar{
    transform: translateX(-100%);
  }

  .sidebar.mobile-open{
    transform: translateX(0);
  }

  /* No margin for main content on mobile */
  .main-content{
    margin-left: 0;
  }

  /* Show mobile menu toggle */
  .mobile-menu-toggle{
    display: flex;
  }

  /* Hide some header elements on mobile */
  .user-info{
    display: none;
  }

  /* Overlay when sidebar is open */
  .sidebar-overlay{
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 89;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .sidebar-overlay.active{
    opacity: 1;
    visibility: visible;
  }
}

.bg-surface{background:var(--surface)}

/* ==============================================
   CARD SYSTEM
   ============================================== */

/* Base Card */
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.card.pad,
.card-body{
  padding: var(--spacing-md);
}

/* Card Variants */
.card-default{
  box-shadow: var(--shadow-base);
}

.card-elevated{
  box-shadow: var(--shadow-lg);
}

.card-outlined{
  box-shadow: none;
  border: 2px solid var(--border);
}

.card-flat{
  box-shadow: none;
  border: none;
}

/* Interactive/Clickable Card */
.card-interactive{
  cursor: pointer;
  user-select: none;
}

.card-interactive:hover{
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.card-interactive:active{
  transform: translateY(0);
  box-shadow: var(--shadow-base);
}

/* Card Header */
.card-header{
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
  background: transparent;
}

.card-header-title,
.card-title{
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text);
}

.card-header-subtitle,
.card-subtitle{
  margin: var(--spacing-1) 0 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--muted);
}

/* Card Body */
.card-body{
  padding: var(--spacing-md);
}

.card-body > *:first-child{
  margin-top: 0;
}

.card-body > *:last-child{
  margin-bottom: 0;
}

/* Card Footer */
.card-footer{
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
  border-top: 1px solid var(--border-light);
  background: transparent;
}

/* Card Sizes */
.card-sm{
  border-radius: var(--radius-base);
}

.card-sm .card-header,
.card-sm .card-body,
.card-sm .card-footer{
  padding: var(--spacing-sm);
}

.card-lg .card-header,
.card-lg .card-body,
.card-lg .card-footer{
  padding: var(--spacing-lg);
}

/* Card with Image */
.card-img-top{
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-img-bottom{
  width: 100%;
  height: auto;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Card Flex (header with actions) */
.card-header-flex{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.card-header-actions{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}

/* Typography - Headings */
h1, .h1{
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin: 0 0 1rem;
  color: var(--text);
}

h2, .h2{
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin: 0 0 0.75rem;
  color: var(--text);
}

h3, .h3{
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin: 0 0 0.5rem;
  color: var(--text);
}

h4, .h4{
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0 0 0.5rem;
  color: var(--text);
}

h5, .h5{
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0 0 0.5rem;
  color: var(--text);
}

h6, .h6{
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0 0 0.5rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap: var(--spacing-md)}
.kpi{
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background:var(--kpi-bg);
  border:1px solid var(--kpi-border);
  box-shadow: var(--shadow-sm);
}
.kpi .label{
  color:var(--muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom:6px;
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}
.kpi .value{
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
}
.kpi.income .value{color:var(--green)}
.kpi.expense .value{color:var(--red)}
.kpi.balance .value{color:var(--text)}

/* ==============================================
   FORM & INPUT SYSTEM
   ============================================== */

.row{display:flex;gap: var(--spacing-sm);flex-wrap:wrap;align-items:end}

/* Form Group */
.form-group{
  margin-bottom: var(--spacing-4);
}

.form-label{
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text);
}

.form-label.required::after{
  content: ' *';
  color: var(--red);
}

/* Base Input Styles */
.input,
.form-input,
.form-select,
.form-textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="search"],
input[type="tel"],
input[type="url"],
select,
textarea{
  display: block;
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  padding: var(--spacing-2) var(--spacing-sm);
  border-radius: var(--radius-base);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus,
input:focus,
select:focus,
textarea:focus{
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--ring);
}

.input:disabled,
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled,
input:disabled,
select:disabled,
textarea:disabled{
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--cat-row-bg);
}

/* Input Sizes */
.input-sm,
.form-input-sm{
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-sm);
  min-height: 32px;
}

.input-md,
.form-input-md{
  padding: var(--spacing-2) var(--spacing-sm);
  font-size: var(--font-size-base);
  min-height: 44px;
}

.input-lg,
.form-input-lg{
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

/* Validation States */
.input-success,
.form-input.is-valid,
.was-validated input:valid{
  border-color: var(--green);
}

.input-success:focus,
.form-input.is-valid:focus{
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(40, 192, 129, 0.25);
}

.input-error,
.form-input.is-invalid,
.was-validated input:invalid{
  border-color: var(--red);
}

.input-error:focus,
.form-input.is-invalid:focus{
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.25);
}

.input-warning,
.form-input.is-warning{
  border-color: var(--warning);
}

.input-warning:focus,
.form-input.is-warning:focus{
  border-color: var(--warning);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.25);
}

/* Helper Text */
.form-helper,
.form-text{
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--muted);
}

/* Feedback Messages */
.form-feedback,
.invalid-feedback,
.valid-feedback{
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.form-feedback-error,
.invalid-feedback{
  color: var(--red);
}

.form-feedback-success,
.valid-feedback{
  color: var(--green);
}

.form-feedback-warning{
  color: var(--warning);
}

.form-feedback-info{
  color: var(--info);
}

/* Input with Icon */
.input-group{
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-left{
  padding-left: calc(var(--spacing-4) + var(--spacing-5));
}

.input-icon-right{
  padding-right: calc(var(--spacing-4) + var(--spacing-5));
}

.input-group-icon{
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--spacing-5);
  height: 100%;
  color: var(--muted);
  pointer-events: none;
}

.input-group-icon-left{
  left: var(--spacing-sm);
}

.input-group-icon-right{
  right: var(--spacing-sm);
}

/* Textarea */
textarea.form-textarea{
  min-height: 100px;
  resize: vertical;
}

/* Select */
select.form-select{
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa3b2' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  background-size: 12px;
  padding-right: var(--spacing-6);
}

/* Checkbox & Radio */
.form-check{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.form-check-input{
  width: 20px;
  height: 20px;
  margin: 0;
  cursor: pointer;
}

.form-check-label{
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  cursor: pointer;
  user-select: none;
}

/* ==============================================
   BUTTON SYSTEM
   ============================================== */

/* Base Button Styles */
.btn{
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  padding: var(--spacing-2) var(--spacing-4);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  background: var(--btn-default-bg);
  color: var(--btn-default-text);
  transition: filter 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  min-height: 44px; /* Touch target */
}

.btn:hover{
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active{
  transform: translateY(0);
  box-shadow: none;
}

.btn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.btn:disabled,
.btn.disabled{
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

/* Button Sizes */
.btn-sm{
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  min-height: 32px;
  gap: var(--spacing-1);
}

.btn-md{
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  min-height: 44px;
  gap: var(--spacing-2);
}

.btn-lg{
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-base);
  min-height: 52px;
  gap: var(--spacing-2);
}

/* Button Variants */
.btn-primary,
.btn.primary{
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.btn-primary:hover,
.btn.primary:hover{
  filter: brightness(1.1);
}

.btn-success,
.btn.green{
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.btn-success:hover,
.btn.green:hover{
  filter: brightness(1.1);
}

.btn-danger,
.btn.red{
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

.btn-danger:hover,
.btn.red:hover{
  filter: brightness(1.1);
}

.btn-warning{
  background: var(--warning);
  color: #212529;
  border-color: var(--warning);
}

.btn-warning:hover{
  filter: brightness(1.1);
}

.btn-info,
.btn.blue{
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.btn-info:hover,
.btn.blue:hover{
  filter: brightness(1.1);
}

.btn.purple{
  background: var(--purple);
  color: #fff;
  border-color: var(--purple);
}

.btn.purple:hover{
  filter: brightness(1.1);
}

/* Secondary/Outline Buttons */
.btn-secondary,
.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover,
.btn-outline:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
}

.btn-outline-primary{
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

.btn-outline-primary:hover{
  background: var(--blue);
  color: #fff;
}

.btn-outline-success{
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-outline-success:hover{
  background: var(--green);
  color: #fff;
}

.btn-outline-danger{
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}

.btn-outline-danger:hover{
  background: var(--red);
  color: #fff;
}

/* Ghost/Tertiary Buttons */
.btn-ghost,
.btn.ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--ghost-border);
}

.btn-ghost:hover,
.btn.ghost:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
}

/* Icon-only Buttons */
.btn-icon{
  padding: var(--spacing-2);
  min-width: 44px;
  width: 44px;
  height: 44px;
}

.btn-icon.btn-sm{
  padding: var(--spacing-1);
  min-width: 32px;
  width: 32px;
  height: 32px;
}

.btn-icon.btn-lg{
  padding: var(--spacing-3);
  min-width: 52px;
  width: 52px;
  height: 52px;
}

/* Loading State */
.btn-loading{
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn-loading::after{
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-top-color: transparent;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* Block Button (full width) */
.btn-block{
  display: flex;
  width: 100%;
}

/* ==============================================
   TABLE SYSTEM
   ============================================== */

/* Base Table */
.table{
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

/* Table Cells */
.table th,
.table td{
  padding: var(--spacing-sm) var(--spacing-4);
  border-top: 1px solid var(--table-border);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  text-align: left;
  vertical-align: middle;
}

/* Table Header */
.table thead th{
  color: var(--muted);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  text-align: left;
  border-top: 0;
  border-bottom: 2px solid var(--table-border-thick);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  background: var(--surface);
  white-space: nowrap;
}

/* Table Body */
.table tbody tr{
  transition: background-color 0.2s ease, transform 0.1s ease;
}

/* Zebra Striping */
.table-striped tbody tr:nth-child(odd){
  background: transparent;
}

.table-striped tbody tr:nth-child(even){
  background: var(--cat-row-bg);
}

/* Hover State */
.table-hover tbody tr:hover{
  background: var(--table-hover-bg);
  cursor: pointer;
}

.table-striped.table-hover tbody tr:hover{
  background: var(--table-hover-bg);
}

/* Table Footer */
.table tfoot td,
.table tfoot th{
  font-weight: var(--font-weight-extrabold);
  border-top: 2px solid var(--table-border-thick);
  background: var(--surface);
}

/* Table Variants */
.table-bordered{
  border: 1px solid var(--table-border);
}

.table-bordered th,
.table-bordered td{
  border: 1px solid var(--table-border);
}

.table-borderless th,
.table-borderless td,
.table-borderless thead th{
  border: 0;
}

/* Sticky Header */
.table-sticky thead th{
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsive Table */
.table-responsive{
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-responsive > .table{
  margin-bottom: 0;
}

/* Table Sizes */
.table-sm th,
.table-sm td{
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
}

.table-lg th,
.table-lg td{
  padding: var(--spacing-4) var(--spacing-5);
  font-size: var(--font-size-base);
}

/* Sortable Columns */
.table th.sortable{
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: var(--spacing-6);
}

.table th.sortable:hover{
  color: var(--text);
  background: var(--table-hover-bg);
}

.table th.sortable::after{
  content: '⇅';
  position: absolute;
  right: var(--spacing-2);
  opacity: 0.3;
  font-size: var(--font-size-xs);
}

.table th.sortable.sort-asc::after{
  content: '↑';
  opacity: 1;
  color: var(--blue);
}

.table th.sortable.sort-desc::after{
  content: '↓';
  opacity: 1;
  color: var(--blue);
}

/* Table Actions Column */
.table-actions{
  width: 120px;
  text-align: right;
  white-space: nowrap;
}

.table-actions .btn{
  margin-left: var(--spacing-1);
}

/* Row Selection */
.table-select{
  width: 40px;
  text-align: center;
}

.table-select input[type="checkbox"]{
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Selected Row Highlight */
.table tbody tr.selected{
  background: rgba(77, 163, 255, 0.1);
}

.table tbody tr.selected:hover{
  background: rgba(77, 163, 255, 0.15);
}

/* ==============================================
   EMPTY STATE
   ============================================== */

.empty-state{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) var(--spacing-4);
  text-align: center;
  min-height: 300px;
}

.empty-state-icon{
  font-size: 4rem;
  color: var(--muted);
  margin-bottom: var(--spacing-4);
  opacity: 0.5;
}

.empty-state-title{
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  margin-bottom: var(--spacing-2);
}

.empty-state-description{
  font-size: var(--font-size-base);
  color: var(--muted);
  margin-bottom: var(--spacing-5);
  max-width: 400px;
}

.empty-state-actions{
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ==============================================
   PAGINATION
   ============================================== */

.pagination{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-4) 0;
  flex-wrap: wrap;
}

.pagination-info{
  font-size: var(--font-size-sm);
  color: var(--muted);
}

.pagination-pages{
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination-item{
  display: inline-flex;
}

.pagination-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: var(--spacing-1) var(--spacing-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: transparent;
  color: var(--text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.pagination-link:hover{
  background: var(--table-hover-bg);
  border-color: var(--border-hover);
  text-decoration: none;
}

.pagination-link.active{
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  cursor: default;
}

.pagination-link.disabled{
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-link-prev,
.pagination-link-next{
  padding: var(--spacing-1) var(--spacing-3);
}

.pagination-ellipsis{
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  color: var(--muted);
}

/* Page Size Selector */
.pagination-size{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--muted);
}

.pagination-size select{
  padding: var(--spacing-1) var(--spacing-6) var(--spacing-1) var(--spacing-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  background: var(--input-bg);
  color: var(--text);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

/* ==============================================
   BULK ACTIONS TOOLBAR
   ============================================== */

.bulk-actions{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-4);
  background: rgba(77, 163, 255, 0.1);
  border: 1px solid rgba(77, 163, 255, 0.3);
  border-radius: var(--radius-base);
  margin-bottom: var(--spacing-4);
}

.bulk-actions-info{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text);
}

.bulk-actions-buttons{
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* ==============================================
   TOOLTIP
   ============================================== */

.tooltip{
  position: relative;
  display: inline-block;
}

.tooltip-text{
  visibility: hidden;
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-1) var(--spacing-2);
  background: var(--gray-900);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

.tooltip-text::after{
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--gray-900);
}

.tooltip:hover .tooltip-text{
  visibility: visible;
  opacity: 1;
}

/* Alternative: Use title attribute for browser native tooltips */
[data-tooltip]{
  position: relative;
  cursor: help;
}

.mt-4{margin-top:16px}
.mt-6{margin-top:24px}
.center{display:flex;align-items:center;justify-content:center}

.actions{display:flex;gap:8px;flex-wrap:wrap}
.quick-links .btn{min-width:220px;text-align:center}

.chart-area{min-height:320px}
.muted{
  color:var(--muted);
  font-size: var(--font-size-sm);
}

/* Categories layout */
.cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-2);
}

.cat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-2) var(--spacing-sm);
  border-radius: var(--radius-base);
  background: var(--cat-row-bg);
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.cat-row:hover {
  background: var(--table-hover-bg);
  transform: translateX(2px);
}

.cat-name {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--text);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* Fixed actions column so buttons line up in the same vertical column */
.cat-actions {
  flex: 0 0 180px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--spacing-2);
}

/* Add row */
.cat-add-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.cat-input {
  flex: 1 1 320px;
  min-width: 240px;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-base);
  padding: var(--spacing-2) var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cat-input:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--ring);
}

.cat-input--inline {
  flex: 1 1 auto;
  min-width: 220px;
}

/* Buttons (reuse across the app) */
.btn {
  border: 0;
  border-radius: var(--radius-base);
  padding: var(--spacing-2) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  cursor: pointer;
  transition: filter .15s ease, transform 0.1s ease, box-shadow 0.2s ease;
}
.btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-danger {
  background: var(--red);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--ghost-border);
  color: var(--text);
}

.muted { color: var(--muted); }

/* Optional: nicer empty state */
.cat-empty {
  padding: 16px 0;
  text-align: center;
}

/* ==============================================
   PHASE 6: TOAST NOTIFICATIONS
   ============================================== */

/* Toast Container */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--spacing-4);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  max-width: 400px;
  pointer-events: none;
}

/* Toast Base */
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: toast-slide-in 0.3s ease-out;
  min-width: 300px;
  max-width: 400px;
}

.toast.toast-exit {
  animation: toast-slide-out 0.3s ease-in;
}

/* Toast Animations */
@keyframes toast-slide-in {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

/* Toast Icon */
.toast-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border-radius: 50%;
}

/* Toast Content */
.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  margin: 0 0 var(--spacing-1) 0;
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--muted);
  margin: 0;
  word-wrap: break-word;
}

/* Toast Close Button */
.toast-close {
  flex-shrink: 0;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.toast-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text);
}

/* Toast Variants */
.toast-success {
  border-left: 4px solid var(--green);
}

.toast-success .toast-icon {
  color: var(--green);
  background: rgba(40, 167, 69, 0.1);
}

.toast-error {
  border-left: 4px solid var(--red);
}

.toast-error .toast-icon {
  color: var(--red);
  background: rgba(239, 68, 68, 0.1);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
  background: rgba(255, 193, 7, 0.1);
}

.toast-info {
  border-left: 4px solid var(--blue);
}

.toast-info .toast-icon {
  color: var(--blue);
  background: rgba(77, 163, 255, 0.1);
}

/* ==============================================
   PHASE 6: CONFIRMATION MODAL
   ============================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  animation: modal-fade-in 0.2s ease-out;
}

.modal-overlay.modal-exit {
  animation: modal-fade-out 0.2s ease-in;
}

@keyframes modal-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-fade-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.modal {
  position: relative;
  z-index: 10001;
  background: var(--panel);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: 500px;
  width: 100%;
  animation: modal-scale-in 0.2s ease-out;
}

/* Make modal more visible in dark theme */
:root .modal {
  background: #1a2237;
}

[data-theme="light"] .modal {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-overlay.modal-exit .modal {
  animation: modal-scale-out 0.2s ease-in;
}

@keyframes modal-scale-in {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes modal-scale-out {
  from {
    transform: scale(1);
    opacity: 1;
  }
  to {
    transform: scale(0.95);
    opacity: 0;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-5);
  border-bottom: 1px solid var(--border);
}

.modal-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border-radius: 50%;
}

.modal-icon-warning {
  background: rgba(255, 193, 7, 0.1);
  color: var(--color-warning);
}

.modal-icon-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
}

.modal-icon-info {
  background: rgba(77, 163, 255, 0.1);
  color: var(--blue);
}

.modal-title {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  margin: 0;
}

.modal-body {
  padding: var(--spacing-5);
  color: var(--muted);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-2);
  padding: var(--spacing-5);
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}

/* ==============================================
   PHASE 6: EMPTY STATES
   ============================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) var(--spacing-4);
  text-align: center;
  min-height: 300px;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--muted);
  opacity: 0.5;
  margin-bottom: var(--spacing-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  margin: 0 0 var(--spacing-2) 0;
}

.empty-state-message {
  font-size: var(--font-size-base);
  color: var(--muted);
  margin: 0 0 var(--spacing-5) 0;
  max-width: 400px;
}

.empty-state-action {
  /* Uses existing button styles */
}

/* ==============================================
   PHASE 6: LOADING SPINNER
   ============================================== */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spinner-spin 0.6s linear infinite;
}

.spinner-lg {
  width: 24px;
  height: 24px;
  border-width: 3px;
}

.spinner-xl {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

@keyframes spinner-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Button with spinner */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spinner-spin 0.6s linear infinite;
}

/* ==============================================
   PHASE 6: MOBILE RESPONSIVE
   ============================================== */

@media (max-width: 768px) {
  .toast-container {
    top: 70px;
    right: var(--spacing-2);
    left: var(--spacing-2);
    max-width: none;
  }

  .toast {
    min-width: 0;
    max-width: none;
  }

  .modal-overlay {
    padding: var(--spacing-2);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-4);
  }

  .modal-footer {
    flex-direction: column;
  }

  .modal-footer .btn {
    width: 100%;
  }
}

/* ==============================================
   PHASE 6: LIGHT THEME OVERRIDES
   ============================================== */

[data-theme="light"] .toast-close:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .empty-state-icon {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .modal-overlay {
  background: rgba(0, 0, 0, 0.4);
}

/* ==============================================
   PHASE 7: RESPONSIVE & MOBILE OPTIMIZATION
   ============================================== */

/* Mobile-first base improvements */
@media (max-width: 1024px) {
  /* Tablet adjustments */
  .wrap {
    padding: 0 var(--spacing-4);
  }

  /* Reduce padding on sections */
  .kpis {
    gap: var(--spacing-3);
  }

  /* Stack grids earlier */
  .grid-2 {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
  }
}

/* Primary mobile breakpoint */
@media (max-width: 768px) {
  /* ===== TYPOGRAPHY ===== */
  html {
    font-size: 15px; /* Slightly smaller base for mobile */
  }

  h1, .h1 {
    font-size: var(--font-size-xl); /* 24px instead of 32px */
  }

  h2, .h2 {
    font-size: var(--font-size-lg); /* 20px instead of 24px */
  }

  /* ===== LAYOUT ===== */
  .wrap {
    padding: 0 var(--spacing-3);
  }

  .py-6 {
    padding-block: var(--spacing-4);
  }

  /* ===== HEADER ===== */
  .topbar .wrap {
    height: 56px; /* Slightly shorter on mobile */
    gap: var(--spacing-2);
  }

  .brand {
    font-size: var(--font-size-base);
  }

  .brand i {
    font-size: 1.25rem;
  }

  .nav {
    gap: var(--spacing-2);
  }

  .nav-link {
    padding: var(--spacing-2);
    font-size: 0.813rem;
  }

  /* ===== BUTTONS ===== */
  /* Ensure minimum touch target */
  .btn {
    min-height: 44px;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
  }

  .btn-sm {
    min-height: 40px;
    padding: var(--spacing-2) var(--spacing-3);
  }

  .btn-lg {
    min-height: 52px;
    padding: var(--spacing-4) var(--spacing-5);
  }

  /* Icon-only buttons */
  .btn i:only-child {
    font-size: 1.25rem;
  }

  /* ===== FORMS ===== */
  /* Prevent zoom on iOS */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  input[type="url"],
  input[type="search"],
  input[type="date"],
  input[type="time"],
  textarea,
  select,
  .form-input {
    font-size: 16px !important; /* Prevent iOS zoom */
    min-height: 44px;
    padding: var(--spacing-3);
  }

  textarea {
    min-height: 120px;
  }

  /* Form groups stack on mobile */
  .form-group {
    margin-bottom: var(--spacing-4);
  }

  /* ===== CARDS ===== */
  .card {
    border-radius: var(--radius-base);
    padding: var(--spacing-4);
  }

  .card-header {
    padding: var(--spacing-4);
  }

  .card-body {
    padding: var(--spacing-4);
  }

  .card-footer {
    padding: var(--spacing-4);
  }

  /* ===== TABLES ===== */
  .table {
    font-size: 0.875rem;
  }

  .table th,
  .table td {
    padding: var(--spacing-2) var(--spacing-3);
  }

  /* Enable horizontal scroll for wide tables */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(var(--spacing-3) * -1); /* Bleed to edges */
  }

  .table-responsive table {
    min-width: 600px; /* Ensure table doesn't collapse */
  }

  /* ===== MODALS ===== */
  .modal {
    max-width: 100%;
    margin: var(--spacing-2);
  }

  .modal-header {
    padding: var(--spacing-4);
    flex-wrap: wrap;
  }

  .modal-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .modal-title {
    font-size: var(--font-size-base);
  }

  .modal-body {
    padding: var(--spacing-4);
    font-size: var(--font-size-sm);
  }

  .modal-footer {
    padding: var(--spacing-4);
    flex-direction: column-reverse;
    gap: var(--spacing-2);
  }

  .modal-footer .btn {
    width: 100%;
  }

  /* ===== PAGINATION ===== */
  .pagination {
    flex-wrap: wrap;
    gap: var(--spacing-2);
  }

  .pagination-link {
    min-width: 44px;
    min-height: 44px;
    padding: var(--spacing-2);
  }

  .pagination-info {
    width: 100%;
    text-align: center;
    order: -1;
  }

  /* ===== BREADCRUMBS ===== */
  .breadcrumb {
    font-size: 0.813rem;
    flex-wrap: wrap;
  }

  /* ===== EMPTY STATES ===== */
  .empty-state {
    padding: var(--spacing-6) var(--spacing-3);
    min-height: 250px;
  }

  .empty-state-icon {
    width: 64px;
    height: 64px;
    font-size: 2rem;
  }

  .empty-state-title {
    font-size: var(--font-size-lg);
  }

  .empty-state-message {
    font-size: var(--font-size-sm);
  }

  /* ===== SPACING ===== */
  .mt-6, .my-6 {
    margin-top: var(--spacing-5) !important;
  }

  .mb-6, .my-6 {
    margin-bottom: var(--spacing-5) !important;
  }

  .mt-4, .my-4 {
    margin-top: var(--spacing-4) !important;
  }

  .mb-4, .my-4 {
    margin-bottom: var(--spacing-4) !important;
  }
}

/* Small mobile devices */
@media (max-width: 480px) {
  /* ===== TYPOGRAPHY ===== */
  html {
    font-size: 14px;
  }

  h1, .h1 {
    font-size: var(--font-size-lg); /* 20px */
  }

  /* ===== LAYOUT ===== */
  .wrap {
    padding: 0 var(--spacing-2);
  }

  /* ===== HEADER ===== */
  .topbar .wrap {
    height: 52px;
  }

  .brand {
    font-size: 0.875rem;
  }

  .brand i {
    font-size: 1.125rem;
  }

  /* Hide text on small screens, keep icons */
  .nav-link span {
    display: none;
  }

  /* ===== BUTTONS ===== */
  .btn {
    font-size: 0.875rem;
  }

  /* ===== CARDS ===== */
  .card {
    padding: var(--spacing-3);
  }

  .card-header,
  .card-body,
  .card-footer {
    padding: var(--spacing-3);
  }

  /* ===== TABLES ===== */
  .table {
    font-size: 0.813rem;
  }

  .table th,
  .table td {
    padding: var(--spacing-2);
  }

  /* ===== MODALS ===== */
  .modal {
    margin: var(--spacing-1);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-3);
  }

  /* ===== TOASTS ===== */
  .toast {
    min-width: 0;
    max-width: 100%;
  }

  .toast-title {
    font-size: 0.813rem;
  }

  .toast-message {
    font-size: 0.75rem;
  }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
  /* Reduce vertical spacing in landscape */
  .topbar .wrap {
    height: 48px;
  }

  .py-6 {
    padding-block: var(--spacing-3);
  }

  .empty-state {
    min-height: 200px;
    padding: var(--spacing-4) var(--spacing-3);
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Increase touch targets for touch devices */
  .btn,
  .nav-link,
  a,
  button,
  [role="button"],
  input[type="submit"],
  input[type="button"] {
    min-height: 44px;
    min-width: 44px;
  }

  /* Add more spacing between interactive elements */
  .btn + .btn {
    margin-left: var(--spacing-2);
  }

  /* Remove hover effects on touch devices */
  .btn:hover,
  .nav-link:hover,
  a:hover {
    transform: none;
  }

  /* Add active/tap feedback */
  .btn:active,
  .nav-link:active,
  a:active {
    transform: scale(0.98);
    opacity: 0.8;
  }

  /* Larger checkboxes and radio buttons */
  input[type="checkbox"],
  input[type="radio"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
  }
}

/* High resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Crisper borders on retina displays */
  .card,
  .modal,
  .toast,
  .btn {
    border-width: 0.5px;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  /* Disable scroll animations */
  html {
    scroll-behavior: auto !important;
  }
}

/* Print styles */
@media print {
  /* Hide interactive elements */
  .btn,
  .nav,
  .toast-container,
  .modal-overlay,
  .topbar {
    display: none !important;
  }

  /* Optimize for print */
  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid black;
    box-shadow: none;
    page-break-inside: avoid;
  }

  /* Show full URLs for links */
  a[href]:after {
    content: " (" attr(href) ")";
  }
}

/* ==============================================
   DISPLAY PREFERENCES
   ============================================== */

/* Compact Mode - Reduce spacing */
html.compact-mode {
  --spacing-1: 2px;
  --spacing-2: 4px;
  --spacing-3: 8px;
  --spacing-4: 12px;
  --spacing-5: 16px;
  --spacing-6: 20px;
}

html.compact-mode .card {
  padding: var(--spacing-3);
}

html.compact-mode .topbar .wrap {
  height: 56px;
}

html.compact-mode .form-group {
  margin-bottom: var(--spacing-3);
}

html.compact-mode .table td,
html.compact-mode .table th {
  padding: 8px 12px;
}

/* Disable Animations */
html.no-animations *,
html.no-animations *::before,
html.no-animations *::after {
  animation-duration: 0s !important;
  animation-delay: 0s !important;
  transition-duration: 0s !important;
  transition-delay: 0s !important;
}

/* Font Size Preferences */
html[data-font-size="small"] {
  font-size: 14px;
}

html[data-font-size="medium"] {
  font-size: 16px;
}

html[data-font-size="large"] {
  font-size: 18px;
}

html[data-font-size="extra-large"] {
  font-size: 20px;
}

/* ============================================
   NAVIGATION - NO UNDERLINES (FINAL OVERRIDE)
   Must be at the end to override all other CSS
   ============================================ */
.topbar *,
.topbar a,
.topbar a:hover,
.topbar a:focus,
.topbar a:active,
.topbar a:visited,
.topbar a:link,
a.nav-link,
a.nav-link:hover,
a.nav-link:focus,
a.nav-link:active,
a.nav-link:visited,
a.nav-link:link,
a.user-profile-nav,
a.user-profile-nav:hover,
a.user-profile-nav:focus,
a.user-profile-nav:active,
a.user-profile-nav:visited,
a.user-profile-nav:link,
.topbar nav a,
.topbar nav a:hover,
.topbar nav a:focus,
header a,
header a:hover,
header a:focus,
.user-name-nav,
.user-name-nav:hover,
.nav-link *,
.user-profile-nav * {
  text-decoration: none !important;
  text-decoration-line: none !important;
  text-decoration-style: none !important;
  text-decoration-color: transparent !important;
  border-bottom: none !important;
  border-bottom-width: 0 !important;
  box-shadow: none !important;
}