@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-gradient: radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                 radial-gradient(circle at 90% 90%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
                 linear-gradient(135deg, #0b0f19 0%, #0f172a 50%, #111827 100%);
  --app-bg: #f8fafc;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);
  --primary-hover: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%);
  --primary-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.35);

  --secondary-bg: #f1f5f9;
  --secondary-text: #334155;
  --secondary-border: #cbd5e1;

  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

  --sidebar-bg: #0f172a;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --sidebar-text: #94a3b8;
  --sidebar-hover-bg: rgba(255, 255, 255, 0.06);

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.05), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--app-bg);
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

/* Base App Shell Layout */
.app-shell {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  background-image: radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 40%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  border-right: 1px solid var(--sidebar-border);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: visible;
}

/* Collapsed Sidebar State */
.sidebar.collapsed,
html.sidebar-collapsed-init .sidebar {
  width: 72px;
}

.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .nav-label,
html.sidebar-collapsed-init .sidebar-brand-text,
html.sidebar-collapsed-init .nav-label {
  display: none !important;
}

.sidebar.collapsed .sidebar-brand,
html.sidebar-collapsed-init .sidebar-brand {
  justify-content: center;
  padding: 20px 10px;
}

.sidebar.collapsed .page-tabs,
html.sidebar-collapsed-init .page-tabs {
  padding: 14px 6px;
}

.sidebar.collapsed .tab-btn,
html.sidebar-collapsed-init .tab-btn {
  justify-content: center;
  padding: 0;
  width: 46px;
  height: 46px;
  min-height: 46px;
  margin: 0 auto;
  border-radius: 14px;
  gap: 0;
}

.sidebar.collapsed .sidebar-toggle-btn .material-symbols-outlined,
html.sidebar-collapsed-init .sidebar-toggle-btn .material-symbols-outlined {
  transform: rotate(180deg);
}

/* Sidebar Elements */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--sidebar-border);
  position: relative;
}

.sidebar-mark {
  background: var(--primary-gradient);
  box-shadow: var(--primary-shadow);
  color: #fff;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.sidebar-brand-text strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  white-space: nowrap;
}

.sidebar-brand-text span {
  font-size: 0.78rem;
  color: var(--sidebar-text);
  white-space: nowrap;
}

.sidebar-toggle-btn {
  position: absolute;
  right: -15px;
  top: 50%;
  transform: translateY(-50%);
  background: #ffffff;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  color: var(--text-main);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-toggle-btn:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.5);
  transform: translateY(-50%) scale(1.1);
}

.sidebar.collapsed .sidebar-toggle-btn {
  position: absolute;
  right: -15px;
  top: 50%;
  transform: translateY(-50%);
  margin-top: 0;
}

.trial-badge {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  margin: 14px 16px 4px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Sidebar Navigation Tabs & Sleek Dark Scrollbar */
.page-tabs {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.page-tabs::-webkit-scrollbar {
  width: 4px;
}

.page-tabs::-webkit-scrollbar-track {
  background: transparent;
}

.page-tabs::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 10px;
}

.page-tabs::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
  white-space: nowrap;
}

.tab-btn:hover {
  background: var(--sidebar-hover-bg);
  color: #f8fafc;
}

.tab-btn.active {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: var(--primary-shadow);
}

.tab-btn .material-symbols-outlined {
  font-size: 22px;
  min-width: 22px;
}

.logout-btn {
  margin: 16px 12px;
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-md);
}

.sidebar.collapsed .logout-btn,
html.sidebar-collapsed-init .logout-btn {
  margin: 14px auto;
  padding: 0;
  width: 46px;
  height: 46px;
  min-height: 46px;
  justify-content: center;
  border-radius: 14px;
}

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

/* Content Area - Full Width & Fluid */
.content-shell {
  flex: 1;
  margin-left: 260px;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  width: calc(100% - 260px);
  min-height: 100vh;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-shell.collapsed,
html.sidebar-collapsed-init .content-shell {
  margin-left: 72px;
  width: calc(100% - 72px);
}

.content-topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 20px;
}

/* Cards & Components - Stretching Full Width */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  padding: 28px 32px;
  margin-bottom: 24px;
  width: 100%;
}

.card-title {
  font-family: 'Outfit', sans-serif;
  margin-top: 0;
  margin-bottom: 22px;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Dashboard Metrics */
.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
  width: 100%;
}

.metric-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -6px rgba(15, 23, 42, 0.08);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-gradient);
}

.metric-card.warning::before {
  background: var(--warning-gradient);
}

.metric-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.metric-card strong {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Inputs & Form Styling */
.stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.grid {
  display: grid;
  gap: 18px;
  width: 100%;
}

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

@media (max-width: 900px) {
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
}

label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  max-width: 100%;
  resize: vertical !important;
  padding: 10px 14px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: #ffffff;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Filter Bar for Dashboard and Index pages */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  background: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.filter-search-input {
  flex: 1;
  min-width: 240px;
}

.filter-date-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.filter-date-item input[type="date"],
.filter-bar input[type="date"] {
  width: 165px !important;
}

.filter-reset-btn {
  height: 42px;
  padding: 0 18px;
  font-weight: 700;
}

/* Table Item Selects & Units */
.item-unit {
  min-width: 110px !important;
  width: 110px !important;
  padding-right: 28px !important;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn.primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: var(--primary-shadow);
}

.btn.primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -6px rgba(99, 102, 241, 0.5);
}

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

.btn.secondary:hover {
  background-color: #e2e8f0;
}

.btn.danger {
  background: var(--danger-gradient);
  color: #ffffff;
  box-shadow: 0 10px 20px -5px rgba(239, 68, 68, 0.35);
}

.btn.danger:hover {
  transform: translateY(-2px);
}

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

.btn.ghost:hover {
  background: #f1f5f9;
  color: var(--text-main);
}

/* Modern Full Width Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
}

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

th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-main);
}

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

tr:hover td {
  background-color: #f8fafc;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge.paid {
  background: #dcfce7;
  color: #15803d;
}

.badge.partial {
  background: #fef3c7;
  color: #b45309;
}

.badge.unpaid {
  background: #fee2e2;
  color: #b91c1c;
}

.badge.secondary {
  background: #f1f5f9;
  color: #475569;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
}

.modal-card {
  background: #ffffff;
  width: min(560px, 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  padding: 32px;
}

/* Full Viewport Split Screen Auth Page */
.auth-wrapper {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: stretch;
  background: var(--bg-gradient);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.auth-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  min-height: 100vh;
  background: transparent;
  margin: 0;
}

@media (max-width: 900px) {
  .auth-container {
    grid-template-columns: 1fr;
  }
  .auth-hero {
    display: none;
  }
}

.auth-hero {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 60px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.auth-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.auth-hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.auth-panel {
  padding: 60px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #ffffff;
  width: 100%;
}

@media (max-width: 1200px) {
  .auth-hero { padding: 40px; }
  .auth-panel { padding: 40px; }
}

.auth-tabs {
  display: flex;
  background: #f1f5f9;
  padding: 5px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.auth-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.auth-tab.active {
  background: #ffffff;
  color: #6366f1;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

/* Custom Switch Toggle */
.switch-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 46px;
  height: 24px;
  user-select: none;
}

.switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: .25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 24px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

input:checked + .slider-round {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

input:checked + .slider-round:before {
  transform: translateX(22px);
}

/* Time Period Filter Tabs */
.period-tabs-container {
  display: inline-flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: var(--radius-md);
  gap: 4px;
  border: 1px solid var(--card-border);
}

.period-tab-btn {
  padding: 8px 16px;
  background: transparent;
  border: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.period-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.6);
}

.period-tab-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

/* Toast Notification Styles */
#toastContainer {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast-notification {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  background: #0f172a;
  color: #ffffff;
  padding: 14px 18px;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  border-left: 4px solid #3b82f6;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-notification.success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 12px 25px -5px rgba(16, 185, 129, 0.45), 0 8px 10px -6px rgba(5, 150, 105, 0.25);
}

.toast-notification.success .toast-icon {
  color: #ffffff !important;
  font-size: 22px;
}

.toast-notification.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 12px 25px -5px rgba(239, 68, 68, 0.45);
}

.toast-notification.error .toast-icon {
  color: #ffffff !important;
  font-size: 22px;
}

.toast-notification.info {
  background: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 12px 25px -5px rgba(99, 102, 241, 0.45);
}

.toast-notification.info .toast-icon {
  color: #ffffff !important;
  font-size: 22px;
}