/* ==========================================================================
   Artha - Premium Minimalist Fintech Design System
   Designed for clarity, precision, and modern financial workflows.
   No gimmicks, no cheesy AI-slop gradients, high visual ergonomics.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens & Color Palette
   -------------------------------------------------------------------------- */
:root, [data-theme="light"] {
  /* Canvas & Surfaces */
  --bg-app: #f8fafc;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(241, 245, 249, 0.9) 0px, transparent 50%),
                 radial-gradient(at 100% 100%, rgba(226, 232, 240, 0.7) 0px, transparent 50%),
                 #f8fafc;
  --surface-card: #ffffff;
  --surface-card-hover: #ffffff;
  --surface-subtle: #f1f5f9;
  --surface-elevated: #ffffff;

  /* Borders & Dividers */
  --border-subtle: #e2e8f0;
  --border-card: #e2e8f0;
  --border-focus: #0f172a;
  --border-hover: #cbd5e1;

  /* Shadows (Subtle, Linear/Stripe style) */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-card: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-modal: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);

  /* Typography Colors */
  --text-primary: #0f172a;     /* Deep slate */
  --text-secondary: #475569;   /* Muted body text */
  --text-muted: #94a3b8;       /* Subtle meta info */
  --text-inverse: #ffffff;

  /* Brand Accents */
  --brand-primary: #0f172a;    /* Clean dark slate primary */
  --brand-primary-hover: #1e293b;
  --brand-accent: #2563eb;     /* Refined royal blue accent */
  --brand-accent-subtle: rgba(37, 99, 235, 0.08);

  /* Functional Financial Semantics */
  --income-green: #059669;
  --income-green-bg: rgba(5, 150, 105, 0.08);
  --income-green-border: rgba(5, 150, 105, 0.2);

  --expense-red: #e11d48;
  --expense-red-bg: rgba(225, 29, 72, 0.08);
  --expense-red-border: rgba(225, 29, 72, 0.2);

  --warning-amber: #d97706;
  --warning-amber-bg: rgba(217, 119, 6, 0.08);
  --warning-amber-border: rgba(217, 119, 6, 0.2);

  --savings-indigo: #4f46e5;
  --savings-indigo-bg: rgba(79, 70, 229, 0.08);
  --savings-indigo-border: rgba(79, 70, 229, 0.2);

  --mom-pink: #db2777;
  --mom-pink-bg: rgba(219, 39, 119, 0.08);
  --mom-pink-border: rgba(219, 39, 119, 0.2);

  /* Controls & Table */
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --sidebar-bg: #ffffff;
  --sidebar-border: #e2e8f0;
  --table-header-bg: #f8fafc;
  --table-row-hover: #f1f5f9;
  --table-border: #e2e8f0;
  --modal-overlay-bg: rgba(15, 23, 42, 0.5);

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Sizing & Transitions */
  --sidebar-width: 250px;
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme (Obsidian & Deep Graphite) */
[data-theme="dark"] {
  --bg-app: #090d16;
  --bg-gradient: radial-gradient(at 10% 10%, rgba(30, 41, 59, 0.35) 0px, transparent 50%),
                 radial-gradient(at 90% 90%, rgba(15, 23, 42, 0.6) 0px, transparent 50%),
                 #090d16;
  --surface-card: #0f172a;
  --surface-card-hover: #131d35;
  --surface-subtle: #1e293b;
  --surface-elevated: #1e293b;

  --border-subtle: #1e293b;
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  --border-hover: rgba(255, 255, 255, 0.18);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 6px 20px -2px rgba(0, 0, 0, 0.6);
  --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.75);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --brand-primary: #f8fafc;
  --brand-primary-hover: #e2e8f0;
  --brand-accent: #38bdf8;
  --brand-accent-subtle: rgba(56, 189, 248, 0.1);

  --income-green: #34d399;
  --income-green-bg: rgba(52, 211, 153, 0.12);
  --income-green-border: rgba(52, 211, 153, 0.25);

  --expense-red: #fb7185;
  --expense-red-bg: rgba(251, 113, 133, 0.12);
  --expense-red-border: rgba(251, 113, 133, 0.25);

  --warning-amber: #fbbf24;
  --warning-amber-bg: rgba(251, 191, 36, 0.12);
  --warning-amber-border: rgba(251, 191, 36, 0.25);

  --savings-indigo: #818cf8;
  --savings-indigo-bg: rgba(129, 140, 248, 0.12);
  --savings-indigo-border: rgba(129, 140, 248, 0.25);

  --mom-pink: #f472b6;
  --mom-pink-bg: rgba(244, 114, 182, 0.12);
  --mom-pink-border: rgba(244, 114, 182, 0.25);

  --input-bg: #090d16;
  --input-border: rgba(255, 255, 255, 0.12);
  --sidebar-bg: #0f172a;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --table-header-bg: #090d16;
  --table-row-hover: rgba(255, 255, 255, 0.03);
  --table-border: rgba(255, 255, 255, 0.06);
  --modal-overlay-bg: rgba(0, 0, 0, 0.75);
}

/* --------------------------------------------------------------------------
   Global Reset & Base Typography
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  display: flex;
  overflow-x: hidden;
  transition: background var(--transition-fast), color var(--transition-fast);
}

/* Monospace & Tabular Number Helpers */
.tabular-nums, .metric-value, .tx-amount, [id^="val"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* Custom Minimal Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Card & Container Primitives
   -------------------------------------------------------------------------- */
.glass-card {
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.glass-card:hover {
  border-color: var(--border-hover);
}

/* Form Controls */
.glass-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-input:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px var(--brand-accent-subtle);
}

.glass-input::placeholder {
  color: var(--text-muted);
}

.custom-select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.custom-select:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px var(--brand-accent-subtle);
}

.custom-select option {
  background: var(--surface-card);
  color: var(--text-primary);
}

/* Buttons */
.glass-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--brand-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

[data-theme="dark"] .glass-button {
  background: #f8fafc;
  color: #0f172a;
}

.glass-button:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.glass-button:active {
  transform: translateY(0);
}

.glass-button.secondary {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-card);
  box-shadow: var(--shadow-sm);
}

.glass-button.secondary:hover {
  background: var(--surface-subtle);
  border-color: var(--border-hover);
  filter: none;
}

.glass-button.danger {
  background: var(--expense-red);
  color: #ffffff;
  border: none;
}

.glass-button.danger:hover {
  background: #be123c;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  background: var(--surface-subtle);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* --------------------------------------------------------------------------
   Application Layout & Sidebar
   -------------------------------------------------------------------------- */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.85rem;
  position: fixed;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 100;
  transition: width var(--transition-normal), padding var(--transition-normal), transform var(--transition-normal);
}

.brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.5rem 1rem 0.5rem;
  border-bottom: 1px solid var(--sidebar-border);
  margin-bottom: 1.25rem;
}

.brand-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #0f172a;
  color: #f59e0b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .brand-icon {
  background: #1e293b;
  color: #f59e0b;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.brand-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.sidebar-toggle-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-toggle-btn:hover {
  background: var(--surface-subtle);
  color: var(--text-primary);
  border-color: var(--border-card);
}

/* Sidebar Navigation Items */
.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-item:hover {
  background: var(--surface-subtle);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--surface-subtle);
  color: var(--text-primary);
  font-weight: 600;
}

[data-theme="dark"] .nav-item.active {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-item i {
  font-size: 1.15rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-item.active i, .nav-item:hover i {
  color: var(--text-primary);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.75rem;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  overflow: hidden;
}

.user-avatar-circle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}

.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.user-name-text {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status-text {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.status-dot-sm {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--income-green);
  display: inline-block;
}

.btn-sidebar-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-sidebar-logout:hover {
  background: var(--surface-subtle);
  color: var(--expense-red);
}

.pwa-install-banner {
  background: var(--surface-subtle);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pwa-install-banner p {
  font-size: 0.725rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* Collapsed Sidebar State */
body.sidebar-collapsed .app-sidebar {
  width: 68px;
  padding: 1.25rem 0.5rem;
}

body.sidebar-collapsed .app-sidebar .brand-header {
  padding: 0.25rem 0 1rem 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

body.sidebar-collapsed .app-sidebar .brand-logo-wrapper {
  justify-content: center;
  width: 100%;
}

body.sidebar-collapsed .app-sidebar .brand-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto;
}

body.sidebar-collapsed .app-sidebar .brand-info,
body.sidebar-collapsed .app-sidebar .nav-item span,
body.sidebar-collapsed .app-sidebar .pwa-install-banner,
body.sidebar-collapsed .app-sidebar .user-details,
body.sidebar-collapsed .app-sidebar .btn-sidebar-logout {
  display: none !important;
}

body.sidebar-collapsed .app-sidebar .sidebar-toggle-btn {
  width: 30px;
  height: 30px;
  margin: 0 auto;
}

body.sidebar-collapsed .app-sidebar .nav-item {
  justify-content: center;
  padding: 0.75rem 0;
}

body.sidebar-collapsed .app-sidebar .nav-item i {
  font-size: 1.25rem;
  margin: 0 auto;
}

body.sidebar-collapsed .app-sidebar .sidebar-user-card {
  padding: 0.4rem;
  justify-content: center;
}

body.sidebar-collapsed .app-sidebar .user-avatar-circle {
  margin: 0 auto;
}

body.sidebar-collapsed .app-main {
  margin-left: 68px;
  width: calc(100% - 68px);
}

/* --------------------------------------------------------------------------
   Main Workspace Area
   -------------------------------------------------------------------------- */
#appContainer {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  min-width: 0;
  position: relative;
}

.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1rem, 3vw, 2.5rem) 6rem clamp(1rem, 3vw, 2.5rem);
  max-width: 1600px;
  width: calc(100% - var(--sidebar-width));
  box-sizing: border-box;
  transition: margin-left var(--transition-normal), width var(--transition-normal);
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  gap: 1.25rem;
  min-width: 0;
}

.greeting-text {
  min-width: 0;
}

.greeting-text h1 {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.greeting-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.date-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
}

.meta-dot {
  color: var(--text-muted);
  font-size: 0.65rem;
}

.cloud-sync-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.status-dot.online {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--income-green);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.btn-text-desktop {
  font-size: 0.8rem;
  margin-left: 0.2rem;
}

.primary-cta {
  background: var(--text-primary);
  color: var(--bg-app);
  font-weight: 600;
  border: 1px solid var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.primary-cta:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

[data-theme="dark"] .primary-cta {
  background: #ffffff;
  color: #090d16;
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   Metrics Grid (Fintech Clean Style)
   -------------------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
  min-width: 0;
}

.metric-card {
  min-width: 0;
  padding: 1.15rem 1.25rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--border-subtle);
}

.metric-card.glow {
  border-top-color: var(--brand-accent);
}

.metric-card.income {
  border-top-color: var(--income-green);
}

.metric-card.expense {
  border-top-color: var(--expense-red);
}

.metric-card.savings {
  border-top-color: var(--savings-indigo);
}

.metric-card.mom {
  border-top-color: var(--mom-pink);
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  min-height: 32px;
}

.metric-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: var(--surface-subtle);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.metric-action-btn:hover {
  background: var(--surface-card);
  color: var(--mom-pink);
  border-color: var(--mom-pink);
}

.metric-title {
  font-size: 0.775rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.metric-card.income .metric-icon {
  color: var(--income-green);
  background: var(--income-green-bg);
}

.metric-card.expense .metric-icon {
  color: var(--expense-red);
  background: var(--expense-red-bg);
}

.metric-card.savings .metric-icon {
  color: var(--savings-indigo);
  background: var(--savings-indigo-bg);
}

.metric-card.mom .metric-icon {
  color: var(--mom-pink);
  background: var(--mom-pink-bg);
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.metric-subtitle {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Charts Section
   -------------------------------------------------------------------------- */
.charts-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
  min-width: 0;
}

.chart-card {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  min-width: 0;
  gap: 0.5rem;
}

.chart-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  min-width: 0;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 270px;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Budget & Financial Tips Grid
   -------------------------------------------------------------------------- */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
  min-width: 0;
}

.budget-card {
  padding: 1.35rem;
  min-width: 0;
}

.budget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.budget-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.budget-item {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.budget-item:hover {
  background: var(--surface-card);
  border-color: var(--border-card);
  box-shadow: var(--shadow-sm);
}

.budget-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
}

.budget-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-icon-sm {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.budget-values {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.budget-values .limit {
  color: var(--text-primary);
  font-weight: 600;
}

.budget-delimiter {
  color: var(--text-muted);
}

.budget-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
}

.budget-badge.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.3);
}

.budget-badge.danger {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
  border-color: rgba(239, 68, 68, 0.3);
}

.progress-bar-bg {
  width: 100%;
  height: 7px;
  background: #e2e8f0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

[data-theme="dark"] .progress-bar-bg {
  background: rgba(255, 255, 255, 0.09);
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--brand-accent);
  transition: width 0.4s ease;
}

.progress-bar-fill.warning {
  background: var(--warning-amber);
}

.progress-bar-fill.danger {
  background: var(--expense-red);
}

/* Tip Items (Clean List, No Cheesy Emojis) */
.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-card);
}

.tip-item:last-child {
  border-bottom: none;
}

.tip-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background: var(--surface-subtle);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.tip-content strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.tip-content p {
  font-size: 0.785rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Transactions View Toolbar & Table
   -------------------------------------------------------------------------- */
.transactions-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.search-box-large {
  position: relative;
  width: 100%;
}

.search-box-large i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

.search-box-large input {
  padding-left: 2.35rem;
  padding-right: 2.5rem;
  width: 100%;
}

.search-shortcut-hint {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-subtle);
  border: 1px solid var(--border-card);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  pointer-events: none;
}

.filter-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.segmented-control {
  display: inline-flex;
  background: var(--surface-subtle);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.2rem;
  gap: 0.2rem;
}

.seg-btn {
  padding: 0.35rem 0.85rem;
  font-size: 0.825rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.seg-btn:hover {
  color: var(--text-primary);
}

.seg-btn.active {
  background: var(--surface-card);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tx-table-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.25rem;
  margin-bottom: 0.65rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.tx-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
}

.tx-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.tx-table th {
  padding: 0.75rem 1rem;
  background: var(--table-header-bg);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--table-border);
}

.tx-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--table-border);
  font-size: 0.875rem;
  vertical-align: middle;
}

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

.tx-table tr:hover td {
  background: var(--table-row-hover);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge.income {
  background: var(--income-green-bg);
  color: var(--income-green);
  border: 1px solid var(--income-green-border);
}

.badge.expense {
  background: var(--expense-red-bg);
  color: var(--expense-red);
  border: 1px solid var(--expense-red-border);
}

/* --------------------------------------------------------------------------
   Recent Transactions List & Modern Action Buttons
   -------------------------------------------------------------------------- */
.recent-tx-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-fast);
  gap: 1.25rem;
}

.recent-tx-item:hover {
  background: var(--surface-subtle);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
}

.recent-tx-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
  flex: 1;
}

.recent-tx-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.recent-tx-item:hover .recent-tx-icon {
  transform: scale(1.05);
}

.recent-tx-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.recent-tx-title-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.recent-tx-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.35;
  word-break: break-word;
}

.recent-tx-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  line-height: 1.2;
  white-space: nowrap;
}

.recent-tx-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.recent-tx-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.recent-tx-meta .meta-dot {
  color: var(--border-hover);
  font-size: 0.65rem;
}

.recent-tx-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

.recent-tx-amount-col {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
}

.recent-tx-amount {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.recent-tx-type-tag {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.recent-tx-type-tag.income {
  background: var(--income-green-bg);
  color: var(--income-green);
  border: 1px solid var(--income-green-border);
}

.recent-tx-type-tag.expense {
  background: var(--expense-red-bg);
  color: var(--expense-red);
  border: 1px solid var(--expense-red-border);
}

.recent-tx-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 1.15rem;
  border-left: 1px solid var(--border-card);
}

/* --------------------------------------------------------------------------
   Action Buttons (Edit & Hapus) - Prominent, Unambiguous Fintech Micro-Buttons
   -------------------------------------------------------------------------- */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.425rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  white-space: nowrap;
  user-select: none;
}

.action-btn i {
  font-size: 0.95rem;
  display: inline-block;
}

/* Edit button state */
.action-btn:hover,
.action-btn.edit-btn:hover {
  background: var(--surface-subtle);
  border-color: var(--brand-accent);
  color: var(--brand-accent);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
}

/* Delete / Hapus button state - clearly marked in soft rose/red by default */
.action-btn.delete,
.action-btn.delete-btn {
  background: rgba(225, 29, 72, 0.05);
  border-color: rgba(225, 29, 72, 0.22);
  color: var(--expense-red);
}

.action-btn.delete:hover,
.action-btn.delete-btn:hover {
  background: var(--expense-red);
  border-color: var(--expense-red);
  color: #ffffff;
  box-shadow: 0 3px 8px rgba(225, 29, 72, 0.28);
  transform: translateY(-1px);
}

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

/* Mobile responsiveness for recent transactions */
@media (max-width: 680px) {
  .recent-tx-item {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
  }

  .recent-tx-right {
    justify-content: space-between;
    width: 100%;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border-card);
    gap: 0.75rem;
  }

  .recent-tx-amount-col {
    align-items: flex-start;
    text-align: left;
  }

  .recent-tx-actions {
    padding-left: 0;
    border-left: none;
  }
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  overflow-x: hidden;
  overflow-y: auto;
  box-sizing: border-box;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: 90%;
  max-width: 480px;
  max-height: 88vh;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
  padding: 1.75rem;
  transform: scale(0.97) translateY(8px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-modal);
  -webkit-overflow-scrolling: touch;
}

.modal-overlay.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.35rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Segmented Control Toggle (Type Toggle) */
.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  background: var(--surface-subtle);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-card);
}

.toggle-option {
  padding: 0.55rem;
  text-align: center;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
}

.toggle-option:hover {
  color: var(--text-primary);
}

.toggle-option.active {
  background: var(--surface-card);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.toggle-option.active.expense {
  background: var(--expense-red);
  color: #ffffff;
}

.toggle-option.active.income {
  background: var(--income-green);
  color: #ffffff;
}

/* Password Input with Visibility Toggle */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .glass-input {
  padding-right: 2.75rem;
}

.password-toggle-btn {
  position: absolute;
  right: 0.65rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.15rem;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.password-toggle-btn:hover {
  color: var(--text-primary);
}

/* Settings Modal Responsive Styles */
.settings-cloud-card {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid var(--glass-border-blue);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.settings-cloud-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.settings-auth-buttons {
  display: flex;
  gap: 0.65rem;
  width: 100%;
  box-sizing: border-box;
}

.settings-auth-buttons .glass-button {
  flex: 1;
  min-width: 0;
  font-size: 0.825rem;
  padding: 0.65rem 0.75rem;
  justify-content: center;
  box-sizing: border-box;
}

.settings-grid-buttons {
  display: flex;
  gap: 0.65rem;
  width: 100%;
  box-sizing: border-box;
}

.settings-grid-buttons .glass-button {
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
}

/* Admin Sub-Tabs & User List */
.admin-tab-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.admin-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.admin-tab-btn:hover {
  color: var(--text-primary);
  background: var(--surface-subtle);
}

.admin-tab-btn.active {
  background: var(--surface-card);
  color: var(--brand-accent);
  border-color: var(--border-card);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.admin-user-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.admin-user-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.25rem;
  background: var(--surface-subtle);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  gap: 1rem;
}

.admin-user-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-card);
  box-shadow: var(--shadow-sm);
}

.admin-user-main {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.admin-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f172a, #06b6d4);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .admin-user-avatar {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  color: #ffffff;
}

.admin-user-details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.admin-user-email {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  word-break: break-all;
}

.admin-user-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-user-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

.admin-user-stats {
  text-align: right;
  flex-shrink: 0;
}

.admin-user-stats .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.admin-user-stats .stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.admin-user-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-admin-action {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-admin-action:hover {
  background: var(--surface-subtle);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-admin-action.danger {
  color: var(--expense-red);
}

.btn-admin-action.danger:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--expense-red);
}

@media (max-width: 640px) {
  .admin-user-card {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    padding: 1rem;
  }

  .admin-user-right {
    width: 100%;
    justify-content: space-between;
    padding-top: 0.65rem;
    border-top: 1px solid var(--border-card);
  }

  .admin-user-stats {
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   Auth Gatekeeper Screen (Professional Minimalist Aesthetic)
   -------------------------------------------------------------------------- */
.auth-screen-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 1.5rem);
  z-index: 9999;
  background: var(--bg-gradient);
  overflow-y: auto;
  box-sizing: border-box;
}

.auth-screen-card {
  width: 100%;
  max-width: 400px;
  margin: auto;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 4vw, 2rem) clamp(1rem, 3.5vw, 1.75rem);
  box-shadow: var(--shadow-modal);
  text-align: center;
  box-sizing: border-box;
  animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-brand-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--text-primary);
  color: var(--bg-app);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 0.85rem auto;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .auth-brand-logo {
  background: #ffffff;
  color: #090d16;
}

.auth-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.auth-subtitle {
  font-size: 0.825rem;
  color: var(--text-secondary);
  margin-bottom: 1.35rem;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface-subtle);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-card);
}

.auth-tab-btn {
  padding: 0.55rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition-fast);
  user-select: none;
}

.auth-tab-btn.active {
  background: var(--surface-card);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.auth-security-badge {
  margin-top: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Animations */
@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* --------------------------------------------------------------------------
   Mobile Navigation & Responsive
   -------------------------------------------------------------------------- */
.fab-button {
  display: none;
  position: fixed;
  bottom: 5.25rem;
  right: 1.25rem;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--brand-primary);
  color: var(--text-inverse);
  border: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  font-size: 1.35rem;
  align-items: center;
  justify-content: center;
  z-index: 99;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

[data-theme="dark"] .fab-button {
  background: #ffffff;
  color: #090d16;
}

.fab-button:active {
  transform: scale(0.92);
}

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 1.5rem);
  max-width: 400px;
  height: 58px;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-modal);
  z-index: 99;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.5rem;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  color: var(--text-muted);
  font-size: 0.675rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.bottom-nav-item i {
  font-size: 1.15rem;
}

.bottom-nav-item.active {
  background: var(--surface-subtle);
  color: var(--text-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints (Desktop, Laptop, Tablet, Mobile)
   -------------------------------------------------------------------------- */

/* Laptops & Tablets Landscape (<= 1100px) */
@media (max-width: 1100px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablets Portrait (769px - 960px) */
@media (max-width: 960px) {
  :root {
    --sidebar-width: 72px;
  }

  .app-sidebar {
    width: var(--sidebar-width);
    padding: 1.25rem 0.5rem;
  }

  .app-sidebar .brand-info,
  .app-sidebar .nav-item span,
  .app-sidebar .sidebar-footer {
    display: none;
  }

  .app-sidebar .brand-header {
    padding: 0.25rem 0 1rem 0;
    justify-content: center;
  }

  .app-sidebar .nav-item {
    justify-content: center;
    padding: 0.75rem 0;
  }

  .app-sidebar .nav-item i {
    font-size: 1.25rem;
  }

  .app-main {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    padding: 1.5rem 1.25rem 6rem 1.25rem;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .app-sidebar {
    display: none;
  }

  .app-main {
    margin-left: 0;
    width: 100%;
    padding: 1rem 0.85rem 6rem 0.85rem;
  }

  .top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .top-bar > div:last-child {
    justify-content: space-between;
  }

  .fab-button {
    display: flex;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }

  .metric-card {
    padding: 1rem 0.85rem;
  }

  .metric-value {
    font-size: 1.25rem;
  }

  .charts-grid, .section-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .chart-container {
    height: 240px;
  }

  .table-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .search-box {
    width: 100%;
    min-width: 100%;
  }

  .filter-group {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .filter-group select {
    width: 100%;
  }

  /* Modal Dialog Mobile Viewport Lock */
  .modal-dialog {
    width: calc(100% - 1.5rem);
    max-width: 440px;
    padding: 1.25rem 1rem;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
  }
}

/* Mobile Small Screens (<= 480px) */
@media (max-width: 480px) {
  .settings-cloud-card {
    padding: 1rem 0.85rem;
  }

  .settings-auth-buttons {
    flex-direction: column;
    gap: 0.6rem;
  }

  .settings-auth-buttons .glass-button {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
  }
}

/* Extra Small Mobile (<= 420px) */
@media (max-width: 420px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .auth-screen-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }

  .filter-group {
    grid-template-columns: 1fr;
  }
}