/* ==========================================================================
   DESIGN SYSTEM & GLOBAL SETUP
   ========================================================================== */

:root {
  /* Common Design Tokens */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 50px -10px rgba(0, 0, 0, 0.5);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* HSL Accents (Adaptive Glows) */
  --color-primary-hue: 238;
  --color-primary-sat: 82%;
  --color-primary: hsl(var(--color-primary-hue), var(--color-primary-sat), 67%); /* Indigo */
  
  --color-secondary-hue: 262;
  --color-secondary-sat: 83%;
  --color-secondary: hsl(var(--color-secondary-hue), var(--color-secondary-sat), 58%); /* Violet */
  
  --color-success-hue: 156;
  --color-success-sat: 72%;
  --color-success: hsl(var(--color-success-hue), var(--color-success-sat), 45%); /* Emerald */
  
  --color-danger-hue: 350;
  --color-danger-sat: 89%;
  --color-danger: hsl(var(--color-danger-hue), var(--color-danger-sat), 60%); /* Crimson */
}

/* ==========================================================================
   THEME STYLES (DARK/LIGHT VARIABLE MAPPING)
   ========================================================================== */

/* Dark Mode Variables (Default) */
.dark-theme {
  --bg-app: #07070c;
  --bg-surface: rgba(16, 17, 28, 0.6);
  --bg-sidebar: rgba(12, 13, 24, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.18);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #030712;
  
  --glass-bg: rgba(20, 21, 38, 0.45);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-shadow: rgba(0, 0, 0, 0.4);
  --glass-blur: 16px;
  
  --input-bg: rgba(10, 11, 22, 0.7);
  --input-border: rgba(255, 255, 255, 0.08);
  --input-focus: rgba(99, 102, 241, 0.4);
  
  --accent-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 80%);
}

/* Light Mode Variables */
.light-theme {
  --bg-app: #f4f6fa;
  --bg-surface: rgba(255, 255, 255, 0.75);
  --bg-sidebar: rgba(255, 255, 255, 0.98);
  --border-color: rgba(0, 0, 0, 0.06);
  --border-active: rgba(99, 102, 241, 0.25);
  
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --text-inverse: #f9fafb;
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.05);
  --glass-shadow: rgba(31, 41, 55, 0.06);
  --glass-blur: 16px;
  
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.1);
  --input-focus: rgba(99, 102, 241, 0.2);
  
  --accent-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 80%);
}

/* ==========================================================================
   RESET & CORE RULES
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  background-color: var(--bg-app);
  color: var(--text-main);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  height: 100vh;
}

button, input, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

.hidden {
  display: none !important;
}

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

/* ==========================================================================
   PREMIUM GLASSMORPHISM & UTILITIES
   ========================================================================== */

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border var(--transition-normal);
}

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

/* Buttons styling */
button {
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.glow-btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.glow-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

.simple-btn {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.simple-btn:hover {
  background: var(--border-color);
  border-color: var(--border-active);
}

.danger-btn {
  color: var(--color-danger);
}
.danger-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-danger);
}

.text-btn {
  background: transparent;
  border: none;
  padding: 4px 8px;
}
.text-btn:hover {
  color: var(--color-primary);
  background: transparent;
}

.icon-only-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

.w-100 { width: 100%; }
.mt-auto { margin-top: auto; }

/* Icons sizing */
.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

/* ==========================================================================
   APP STRUCTURE (SIDEBAR + MAIN PANEL)
   ========================================================================== */

.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Sidebar Layout (Desktop) */
.desktop-sidebar {
  width: 280px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-subtitle {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-top: -4px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-nav .nav-btn {
  background: transparent;
  color: var(--text-muted);
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-start;
}

.sidebar-nav .nav-btn:hover,
.sidebar-nav .nav-btn.active {
  color: var(--text-main);
  background: var(--border-color);
}

.sidebar-nav .nav-btn.active {
  border-left: 4px solid var(--color-primary);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  display: inline-block;
}

.dot.pulse {
  animation: pulse-animation 2s infinite;
}

.dot.offline {
  background: var(--text-muted);
}

/* Theme Toggle Button setup */
.theme-toggle-btn {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.dark-theme .sun-icon { display: block; }
.dark-theme .moon-icon { display: none; }
.light-theme .sun-icon { display: none; }
.light-theme .moon-icon { display: block; }

/* Main Viewport Panel */
.main-viewport {
  flex-grow: 1;
  overflow-y: auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-header, .mobile-nav {
  display: none;
}

/* ==========================================================================
   TAB ROUTING PANELS & CONTENTS
   ========================================================================== */

.tabs-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.tab-pane {
  display: none;
  animation: fadeIn var(--transition-normal);
  flex-direction: column;
  gap: 24px;
}

.tab-pane.active {
  display: flex;
}

/* Welcome Banner */
.welcome-banner {
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-image: var(--accent-glow);
  background-size: cover;
  gap: 24px;
}

.banner-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

#push-bell-btn.subscribed {
  border-color: var(--color-success);
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.08);
}


.welcome-text h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.welcome-text p {
  color: var(--text-muted);
  max-width: 600px;
}

/* Gradient Text helpers */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text {
  color: var(--color-primary);
}

/* ==========================================================================
   DASHBOARD CARDS & WIDGETS
   ========================================================================== */

/* Progress indicator styling */
.sync-status-card {
  padding: 20px 24px;
  border-left: 4px solid var(--color-primary);
}

.sync-progress-container {
  display: flex;
  align-items: center;
  gap: 20px;
}

.progress-ring-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-bg {
  stroke: var(--border-color);
}

.progress-ring-indicator {
  stroke-dasharray: 213.6;
  stroke-dashoffset: 213.6;
  transition: stroke-dashoffset 0.3s ease;
  stroke-linecap: round;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-size: 14px;
}

.sync-progress-details h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.sync-progress-details p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Statistics Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.stat-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.sales-icon {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
}

.expense-icon {
  background: rgba(168, 85, 247, 0.15);
  color: var(--color-secondary);
}

.vat-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.stat-info h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.stat-info h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 2px;
}

.stat-info p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Dashboard Visuals layout */
.dashboard-visuals {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.visual-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chart-card {
  min-height: 280px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.badge {
  background: var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.chart-container {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Responsive SVG Chart styling */
.svg-chart {
  width: 100%;
  height: 180px;
  overflow: visible;
}

.chart-grid-lines line {
  stroke: var(--border-color);
  stroke-width: 1;
}

.chart-grid-lines text {
  fill: var(--text-muted);
  font-size: 9px;
  font-family: var(--font-body);
}

.chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0px 4px 8px rgba(99, 102, 241, 0.2));
}

.sales-line { stroke: var(--color-primary); }
.expense-line { stroke: var(--color-secondary); }

.chart-dots circle {
  stroke-width: 2;
  transition: r 0.2s ease;
  cursor: pointer;
}
.sales-dot-c { fill: #07070c; stroke: var(--color-primary); }
.expense-dot-c { fill: #07070c; stroke: var(--color-secondary); }
.chart-dots circle:hover { r: 6; }

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 12px;
  margin-top: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.sales-dot { background: var(--color-primary); }
.expense-dot { background: var(--color-secondary); }

/* Offline Database row details */
.db-details-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.db-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
}

.db-row span {
  color: var(--text-muted);
}

/* ==========================================================================
   INVOICES VIEW & FILTERS
   ========================================================================== */

.filter-bar {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-row {
  display: flex;
  gap: 16px;
  align-items: center;
}

.input-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group.flex-2 { flex: 2; }
.input-group.flex-1 { flex: 1; }

.input-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

/* Input Fields design */
input[type="text"],
input[type="password"],
input[type="date"],
select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-main);
  width: 100%;
  transition: all var(--transition-fast);
}

input:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--input-focus);
}

/* Input absolute icons helper */
.input-group .input-icon {
  position: absolute;
  right: 16px;
  top: 14px;
  color: var(--text-muted);
}

.second-filter-row {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.second-filter-row .input-group {
  flex-direction: row;
  align-items: center;
}

.second-filter-row .input-group input {
  padding: 8px 12px;
}

/* Invoice List Layout */
.invoice-list-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.invoice-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Invoice List Card (Interactive glass list card) */
.invoice-card {
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.invoice-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 15px var(--glass-shadow);
}

.invoice-meta-side {
  display: flex;
  align-items: center;
  gap: 16px;
}

.role-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.role-badge.out {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
}

.role-badge.in {
  background: rgba(168, 85, 247, 0.1);
  color: var(--color-secondary);
}

.invoice-title-block h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}

.invoice-title-block p {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
}

.invoice-contractor-name {
  font-weight: 500;
  color: var(--text-main);
  max-width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.invoice-financial-side {
  display: flex;
  align-items: center;
  gap: 20px;
}

.invoice-amount-block {
  text-align: right;
}

.invoice-brutto-amt {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.invoice-vat-amt {
  font-size: 11px;
  color: var(--text-muted);
}

.empty-state {
  padding: 60px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.large-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
}

/* ==========================================================================
   SETTINGS & FORM CONTROLLERS
   ========================================================================== */

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.settings-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
}

.form-row {
  display: flex;
  gap: 16px;
}

.help-text {
  font-size: 11px;
  color: var(--text-muted);
}

.password-input-wrapper {
  position: relative;
}

.visibility-btn {
  position: absolute;
  right: 16px;
  top: 12px;
  background: transparent;
  color: var(--text-muted);
}

.visibility-btn:hover {
  color: var(--text-main);
}

.maintenance-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-alert {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--text-muted);
}

.info-alert .icon {
  color: var(--color-primary);
}

.db-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.action-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.action-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.action-desc h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.action-desc p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   LOGS GRAPH & SYSTEM TERMINAL
   ========================================================================== */

.logs-wrapper {
  display: flex;
  flex-direction: column;
  height: 480px;
  overflow: hidden;
}

.logs-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logs-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.logs-actions {
  display: flex;
  gap: 8px;
}

.logs-console {
  flex-grow: 1;
  background: #030408;
  color: #10b981; /* Matrix green default */
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  padding: 20px;
  overflow-y: auto;
}

.log-line {
  margin-bottom: 6px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.log-line.error { color: #f87171; }
.log-line.info { color: #9ca3af; }
.log-line.success { color: #34d399; }
.log-line.warn { color: #fbbf24; }

/* ==========================================================================
   PREMIUM DYNAMIC TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight var(--transition-normal);
  color: #ffffff;
  font-weight: 500;
  font-size: 14px;
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 280px;
  max-width: 400px;
}

.toast.toast-success { background: rgba(16, 185, 129, 0.9); }
.toast.toast-error { background: rgba(239, 68, 68, 0.9); }
.toast.toast-info { background: rgba(59, 130, 246, 0.9); }

/* ==========================================================================
   INTERACTIVE INVOICE MODAL VIEWER
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-fast);
}

.modal-card {
  width: 90%;
  max-width: 900px;
  height: 85%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.modal-controls-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-body-scrollable {
  flex-grow: 1;
  overflow-y: auto;
  padding: 32px;
  background: #ffffff; /* Base white for documents reading */
  color: #1f2937;
}

.loading-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 16px;
  color: #6b7280;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(99, 102, 241, 0.1);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin-anim 1s linear infinite;
}

/* Printable Document Grid styles */
.printable-invoice {
  font-family: Arial, Helvetica, sans-serif;
  color: #111111;
  font-size: 13px;
  line-height: 1.4;
  background: #ffffff;
}

.printable-invoice * {
  box-sizing: border-box;
}

.invoice-header-block {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #000000;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.logo-eagle-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pl-ribbon {
  display: flex;
  width: 60px;
  height: 12px;
  border: 1px solid #d1d5db;
}
.pl-ribbon-w { width: 50%; background: #ffffff; }
.pl-ribbon-r { width: 50%; background: #dc2626; }

.logo-eagle-badge h2 {
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.logo-eagle-badge p {
  font-size: 10px;
  color: #4b5563;
  margin-top: -4px;
}

.invoice-doc-details {
  text-align: right;
}

.invoice-doc-details h1 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.invoice-doc-details p {
  font-size: 12px;
  margin-bottom: 2px;
}

.invoice-contractors-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}

.contractor-box {
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 16px;
  min-height: 150px;
}

.contractor-box h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #4b5563;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.contractor-box h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.contractor-box p {
  font-size: 12px;
  color: #1f2937;
  margin-bottom: 2px;
}

.invoice-table-block {
  margin-bottom: 24px;
  overflow-x: auto;
}

.invoice-items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.invoice-items-table th {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  padding: 8px 6px;
  font-weight: 700;
  text-align: center;
}

.invoice-items-table td {
  border: 1px solid #d1d5db;
  padding: 8px 6px;
  vertical-align: middle;
}

.text-right { text-align: right; }
.text-center { text-align: center; }

.invoice-summaries-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}

.payment-summary-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.payment-row {
  font-size: 13px;
}

.payment-row strong {
  font-size: 16px;
}

.tax-summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.tax-summary-table th {
  background: #f9fafb;
  border: 1px solid #d1d5db;
  padding: 6px;
  font-weight: 700;
}

.tax-summary-table td {
  border: 1px solid #d1d5db;
  padding: 6px;
}

.tax-summary-table tr.total-row {
  font-weight: 700;
  background: #f3f4f6;
}

/* ==========================================================================
   RESPONSIVE DESIGN & MOBILE LAYOUTS
   ========================================================================== */

@media (max-width: 1024px) {
  .dashboard-visuals {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 72px; /* mobile-nav offset */
  }

  .app-layout {
    flex-direction: column;
  }

  .desktop-sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-logo {
    color: var(--color-primary);
  }

  .mobile-brand h2 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 800;
  }

  .main-viewport {
    padding: 20px;
    gap: 20px;
  }

  .welcome-banner {
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
  }

  .banner-actions {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }

  .banner-actions button {
    width: 100%;
    justify-content: center;
  }

  .welcome-text h1 {
    font-size: 22px;
  }

  /* Bottom Navigation Bar */
  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 72px;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border-color);
    z-index: 999;
    padding: 8px 12px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .mobile-nav .nav-btn {
    flex: 1;
    background: transparent;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
  }

  .mobile-nav .nav-btn.active {
    color: var(--color-primary);
  }

  .mobile-nav .nav-btn .icon {
    width: 22px;
    height: 22px;
  }

  .filter-row {
    flex-direction: column;
    align-items: stretch;
  }

  .second-filter-row .input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .invoice-card {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .invoice-financial-side {
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
  }

  .invoice-amount-block {
    text-align: left;
  }

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

  .modal-card {
    width: 96%;
    height: 94%;
  }

  .modal-header {
    padding: 16px 20px;
  }

  .modal-body-scrollable {
    padding: 16px;
  }

  .invoice-contractors-section {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .invoice-summaries-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { transform: translateX(120%); }
  to { transform: translateX(0); }
}

@keyframes spin-anim {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-icon {
  animation: spin-anim 2s linear infinite;
  animation-play-state: paused;
}
.syncing .spin-icon {
  animation-play-state: running;
}

@keyframes pulse-animation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   @MEDIA PRINT OPTIMIZED SETTINGS
   ========================================================================== */

@media print {
  /* Hide all app shells, headers, navigations and overlays */
  body, .app-layout, .mobile-header, .mobile-nav, .desktop-sidebar, .modal-header, .toast-container {
    display: none !important;
    background: #ffffff !important;
    color: #000000 !important;
  }

  #invoice-viewer-modal.modal-overlay {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: auto !important;
    background: #ffffff !important;
    display: block !important;
  }

  .modal-card {
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    height: auto !important;
    background: #ffffff !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  .modal-body-scrollable {
    padding: 0 !important;
    background: #ffffff !important;
    overflow: visible !important;
  }

  .printable-invoice {
    width: 100% !important;
    background: #ffffff !important;
  }

  .contractor-box {
    border: 1px solid #000000 !important;
  }

  .invoice-items-table th, .invoice-items-table td,
  .tax-summary-table th, .tax-summary-table td {
    border: 1px solid #000000 !important;
  }
}