/* ============================================================
   Coolfresh Admin — Main Stylesheet
   Design System: Navy (#041172) + Orange (#FF5F03)
   Fonts: Ubuntu (body), Oswald (headings)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,400&family=Oswald:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS Custom Properties (Design Tokens)
   ============================================================ */
:root {
  /* Brand Colors */
  --color-primary:       #041172;
  --color-primary-dark:  #030d55;
  --color-primary-light: #0a25c9;
  --color-secondary:     #FF5F03;
  --color-secondary-dark:#e05300;

  /* Semantic Colors */
  --color-success:       #16A34A;
  --color-success-light: #dcfce7;
  --color-warning:       #D97706;
  --color-warning-light: #fef3c7;
  --color-danger:        #DC2626;
  --color-danger-light:  #fee2e2;
  --color-info:          #0284C7;
  --color-info-light:    #e0f2fe;

  /* Neutrals */
  --color-white:         #FFFFFF;
  --color-surface:       #F8FAFC;
  --color-border:        #E2E8F0;
  --color-border-dark:   #CBD5E1;
  --color-muted:         #94A3B8;
  --color-text:          #1E293B;
  --color-text-light:    #64748B;

  /* Typography */
  --font-body:     'Ubuntu', sans-serif;
  --font-display:  'Oswald', sans-serif;

  /* Spacing Scale */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --sidebar-width:    260px;
  --header-height:    64px;
  --border-radius:    0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;

  /* Shadows */
  --shadow-sm:  0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.3s ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-light);
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5625rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(4, 17, 114, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(255, 95, 3, 0.35);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-outline-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-danger {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: var(--color-white);
}

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: var(--color-white);
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-text-light);
}

.btn-ghost:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}

.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  transform: none !important;
  box-shadow: none !important;
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  outline: none;
  line-height: 1.5;
}

.form-control::placeholder {
  color: var(--color-muted);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(4, 17, 114, 0.12);
}

.form-control:disabled {
  background-color: var(--color-surface);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.form-text {
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.invalid-feedback {
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  color: var(--color-danger);
}

/* Input Group (for password toggle etc.) */
.input-group {
  position: relative;
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-append {
  display: flex;
}

.input-group-append .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
  padding: 0.625rem 0.875rem;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-light);
}

.input-group-append .btn:hover {
  background-color: var(--color-surface);
  color: var(--color-text);
  transform: none;
  box-shadow: none;
}

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.alert-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}

.alert-danger {
  background-color: var(--color-danger-light);
  border-color: #fca5a5;
  color: #991b1b;
}

.alert-success {
  background-color: var(--color-success-light);
  border-color: #86efac;
  color: #166534;
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-color: #fcd34d;
  color: #92400e;
}

.alert-info {
  background-color: var(--color-info-light);
  border-color: #7dd3fc;
  color: #075985;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin: 0;
}

.card-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================================
   Stat Cards
   ============================================================ */
.stat-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-border);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card.primary   { border-left-color: var(--color-primary); }
.stat-card.success   { border-left-color: var(--color-success); }
.stat-card.warning   { border-left-color: var(--color-warning); }
.stat-card.secondary { border-left-color: var(--color-secondary); }
.stat-card.danger    { border-left-color: var(--color-danger); }

.stat-card-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.stat-card-content {
  flex: 1;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.stat-change {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.stat-change.up   { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card.primary   .stat-icon { background-color: rgba(4, 17, 114, 0.1); color: var(--color-primary); }
.stat-card.success   .stat-icon { background-color: rgba(22, 163, 74, 0.1); color: var(--color-success); }
.stat-card.warning   .stat-icon { background-color: rgba(217, 119, 6, 0.1); color: var(--color-warning); }
.stat-card.secondary .stat-icon { background-color: rgba(255, 95, 3, 0.1);  color: var(--color-secondary); }
.stat-card.danger    .stat-icon { background-color: rgba(220, 38, 38, 0.1); color: var(--color-danger); }

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-white);
}

/* Left brand panel */
.login-brand {
  width: 45%;
  background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--space-12) var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-brand::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.login-brand::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.login-brand-inner {
  position: relative;
  z-index: 1;
}

.login-brand-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.login-brand-name {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.login-brand-tagline {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  margin-bottom: var(--space-10);
  letter-spacing: 0.02em;
}

.login-brand-divider {
  width: 48px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: 2px;
  margin-bottom: var(--space-8);
}

.login-brand-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-brand-feature {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.login-brand-feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.login-brand-feature-text strong {
  display: block;
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 500;
}

.login-brand-feature-text span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
}

/* Right form panel */
.login-form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-white);
}

.login-form-inner {
  width: 100%;
  max-width: 420px;
}

.login-form-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.login-form-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.login-form-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

.login-footer {
  margin-top: var(--space-8);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* ============================================================
   App Layout
   ============================================================ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-primary) 0%, #030e65 100%);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 900;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}
.sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
}

/* Sidebar Logo */
.sidebar-logo {
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.sidebar-logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.sidebar-logo-sub {
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Sidebar Nav */
.sidebar-nav-container {
  flex: 1;
  padding: var(--space-4) 0;
}

.sidebar-section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-4) var(--space-5) var(--space-2);
}

.sidebar-nav {
  padding: 0 var(--space-3);
}

.sidebar-nav-item {
  margin-bottom: 2px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.5625rem var(--space-3);
  border-radius: var(--border-radius);
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.sidebar-nav-link:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.95);
}

.sidebar-nav-link.active {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  font-weight: 500;
}

/* Active indicator bar using a span element */
.sidebar-nav-link .active-indicator {
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--color-secondary);
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sidebar-nav-link.active .active-indicator {
  opacity: 1;
}

.sidebar-nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-nav-link.active .sidebar-nav-icon,
.sidebar-nav-link:hover .sidebar-nav-icon {
  opacity: 1;
}

.sidebar-nav-label {
  flex: 1;
}

/* Submenu */
.sidebar-submenu-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.5625rem var(--space-3);
  border-radius: var(--border-radius);
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  position: relative;
}

.sidebar-submenu-toggle:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.95);
}

.sidebar-submenu-toggle.open {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.95);
}

.sidebar-submenu-arrow {
  width: 16px;
  height: 16px;
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.2s ease;
  color: rgba(255,255,255,0.5);
}

.sidebar-submenu-toggle.open .sidebar-submenu-arrow {
  transform: rotate(180deg);
}

.sidebar-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: var(--space-5);
}

.sidebar-submenu.open {
  max-height: 300px;
}

.sidebar-submenu-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4375rem var(--space-3);
  border-radius: var(--border-radius);
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.sidebar-submenu-link::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.sidebar-submenu-link:hover {
  color: rgba(255,255,255,0.95);
  background: rgba(255,255,255,0.08);
}

.sidebar-submenu-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.12);
}

.sidebar-submenu-link.active::before {
  background: var(--color-secondary);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-4) var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-white);
  text-transform: uppercase;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.sidebar-logout-btn {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  flex-shrink: 0;
  text-decoration: none;
}

.sidebar-logout-btn:hover {
  background: rgba(220, 38, 38, 0.3);
  color: #fca5a5;
}

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 850;
}

.sidebar-overlay.show {
  display: block;
}

/* ============================================================
   Main Content
   ============================================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================================
   Top Header
   ============================================================ */
.top-header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  z-index: 800;
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
}

.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  color: var(--color-text-light);
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

.breadcrumb-item a {
  color: var(--color-text-light);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
}

.breadcrumb-item.active {
  color: var(--color-text);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--color-muted);
  font-size: 0.75rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-user-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.header-avatar {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  cursor: pointer;
}

.header-btn {
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-light);
  transition: var(--transition);
  text-decoration: none;
}

.header-btn:hover {
  background: var(--color-surface);
  color: var(--color-danger);
  border-color: var(--color-border-dark);
}

/* ============================================================
   Page Wrapper
   ============================================================ */
.page-wrapper {
  margin-top: var(--header-height);
  padding: 1.75rem 2rem;
  flex: 1;
}

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
  margin-bottom: var(--space-6);
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

.page-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ============================================================
   Welcome Banner
   ============================================================ */
.welcome-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6) var(--space-8);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: 120px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}

.welcome-text h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.welcome-text p {
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
}

.welcome-decoration {
  opacity: 0.15;
  flex-shrink: 0;
}

/* ============================================================
   Grid System
   ============================================================ */
.grid {
  display: grid;
  gap: var(--space-5);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  white-space: nowrap;
  line-height: 1.4;
}

.badge-primary {
  background-color: rgba(4, 17, 114, 0.1);
  color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

.badge-secondary {
  background-color: rgba(255, 95, 3, 0.1);
  color: var(--color-secondary);
}

.badge-neutral {
  background-color: var(--color-surface);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

/* ============================================================
   Tables
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table thead th {
  background-color: var(--color-surface);
  color: var(--color-text-light);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover td {
  background-color: var(--color-surface);
}

/* ============================================================
   Spinner
   ============================================================ */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

.spinner-dark {
  border: 2px solid rgba(4, 17, 114, 0.15);
  border-top-color: var(--color-primary);
}

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

/* ============================================================
   Mini Bar Chart (CSS only)
   ============================================================ */
.mini-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.mini-chart-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mini-chart-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  width: 32px;
  flex-shrink: 0;
  text-align: right;
}

.mini-chart-bar-wrap {
  flex: 1;
  background: var(--color-surface);
  border-radius: 4px;
  height: 10px;
  overflow: hidden;
}

.mini-chart-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.mini-chart-value {
  font-size: 0.75rem;
  color: var(--color-text-light);
  width: 56px;
  flex-shrink: 0;
  font-weight: 500;
}

/* ============================================================
   Quick Actions
   ============================================================ */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.quick-action-btn:hover {
  background: var(--color-white);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.quick-action-btn-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============================================================
   Utilities
   ============================================================ */
.text-muted   { color: var(--color-text-light); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger  { color: var(--color-danger); }
.text-sm      { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.fw-500       { font-weight: 500; }
.fw-600       { font-weight: 600; }
.mb-0         { margin-bottom: 0; }
.mb-4         { margin-bottom: var(--space-4); }
.mb-6         { margin-bottom: var(--space-6); }
.mt-4         { margin-top: var(--space-4); }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-3        { gap: var(--space-3); }
.w-100        { width: 100%; }

/* ============================================================
   Responsive Design
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* Hide brand panel on mobile login */
  .login-brand {
    display: none;
  }

  .login-form-panel {
    padding: var(--space-6) var(--space-4);
  }

  /* Mobile sidebar — off-canvas */
  .sidebar {
    transform: translateX(-100%);
    z-index: 1000;
  }

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

  /* Main content fills full width on mobile */
  .main-content {
    margin-left: 0;
  }

  /* Header spans full width on mobile */
  .top-header {
    left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .header-user-text {
    display: none;
  }

  .page-wrapper {
    padding: var(--space-4) var(--space-4);
  }

  /* Grid collapses on mobile */
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }

  .welcome-banner {
    padding: var(--space-5) var(--space-5);
  }

  .welcome-decoration {
    display: none;
  }
}

@media (max-width: 480px) {
  .login-form-inner {
    max-width: 100%;
  }

  .stat-value {
    font-size: 1.5rem;
  }
}