:root {
  --color-primary: #FF7E59;
  --color-primary-dark: #E04B22;
  --color-primary-light: #FFF0EC;
  --color-secondary: #0A2540;
  --color-secondary-light: #2A4365;
  --color-accent: #6C63FF;
  --color-accent-light: #EEEDFF;
  --color-success: #10B981;
  --color-success-light: #ECFDF5;
  --color-warning: #F59E0B;
  --color-warning-light: #FFFBEB;
  --color-background: #F0F4F8;
  --color-surface: #FFFFFF;
  --color-text: #1A202C;
  --color-text-light: #718096;
  --color-text-lighter: #A0AEC0;
  --color-border: #E2E8F0;

  --font-main: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(255, 126, 89, 0.25);

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

/* SPA Views */
.view {
  display: none;
  min-height: calc(100vh - 64px);
  width: 100%;
}
.view.active {
  display: block;
}

/* Header */
.app-header {
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 100;
  position: sticky;
  top: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-tagline {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

/* Loaders */
.loader {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s ease-in-out infinite;
}
.hidden { display: none !important; }

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-text-lighter);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-light);
}