:root {
  /* Modern Glassmorphism Palette */
  --color-primary: #ff5733;
  --color-primary-soft: rgba(255, 87, 51, 0.1);
  --color-accent: #a0d49a;
  --color-bg-dark: #121212;
  --color-sidebar: rgba(20, 20, 20, 0.7);
  --color-content: rgba(255, 255, 255, 0.03);
  --color-text: #ffffff;
  --color-text-dim: rgba(255, 255, 255, 0.5);
  --color-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 30, 30, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
  --radius-lg: 24px;
  --radius-md: 12px;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background: #0a0a0a;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(255, 87, 51, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(160, 212, 154, 0.1) 0%, transparent 40%),
    url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=2000&q=80');
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-text);
}

.window-container {
  width: 95%;
  max-width: 1100px;
  height: 85vh;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Window Title Bar */
.window-title-bar {
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--glass-border);
  position: relative;
  z-index: 10;
}

.window-controls {
  display: flex;
  gap: 8px;
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.control:hover { opacity: 1; }
.control.close { background: #ff5f56; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #27c93f; }

.window-title-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

/* Redesigned Header */
.app-header {
  background: linear-gradient(90deg, var(--color-primary), #ff7e5f);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.header-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0;
  color: white;
}

/* Secondary Nav - Integrated */
.app-nav {
  background: rgba(0, 0, 0, 0.2);
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  color: white;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
}

.nav-left {
  display: flex;
  align-items: center;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-weight: 500;
}

.nav-right {
  width: 24px;
}

.company-link {
  text-decoration: none;
  display: block;
}

.nav-btn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

/* Main Content Area */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 300px;
  background: var(--color-sidebar);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border-right: 1px solid var(--glass-border);
}

.company-list {
  flex: 1;
  list-style: none;
  padding: 0;
  margin: 0;
}

.company-item {
  display: flex;
  align-items: center;
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--color-text);
  border: 1px solid transparent;
}

.company-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(4px);
}

.company-item.active {
  background: var(--color-primary-soft);
  border-color: rgba(255, 87, 51, 0.3);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  margin-right: 16px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.avatar.orange { 
  background: linear-gradient(135deg, #ff5733, #ff8c6b); 
}
.avatar.blue { 
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); 
}

.company-name {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.delete-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-text-dim);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.2s;
}

.company-item:hover .delete-btn {
  opacity: 1;
}

.delete-btn:hover {
  background: #ff5f56;
  color: white;
}

.add-company-btn {
  background: white;
  color: black;
  border: none;
  padding: 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: auto;
  transition: all 0.2s;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.add-company-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

/* Tasks View */
.tasks-view {
  flex: 1;
  background: var(--color-content);
  display: flex;
  flex-direction: column;
}

.tasks-header {
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.tasks-header h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -2px;
  color: white;
}

.add-task-btn {
  background: var(--color-primary);
  border: none;
  cursor: pointer;
  color: white;
  width: 56px;
  height: 56px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 15px 30px rgba(255, 87, 51, 0.3);
  transition: all 0.3s;
}

.add-task-btn:hover {
  transform: scale(1.05) rotate(90deg);
}

.tasks-list {
  flex: 1;
  padding: var(--space-lg) var(--space-xl);
  overflow-y: auto;
}

.task-item {
  display: flex;
  align-items: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
}

.task-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.checkbox {
  width: 26px;
  height: 26px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  margin-right: 20px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkbox:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.task-text {
  flex: 1;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text);
}

.task-delete {
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.task-delete:hover {
  opacity: 1;
  color: #ff5f56;
}

/* Icons */
.icon {
  width: 24px;
  height: 24px;
}