/* css/main.css - Core Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-primary: #090a0f;
  --bg-secondary: #11131e;
  --bg-tertiary: #171a29;
  --bg-glass: rgba(17, 19, 30, 0.65);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(255, 255, 255, 0.12);
  
  --primary: #6366f1; /* Indigo */
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  /* Typography */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.7);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* Utility Classes */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.glass-card:hover {
  border-color: var(--border-glass-hover);
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-accent-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sidebar Layout */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 48px;
  text-decoration: none;
  color: var(--text-primary);
}
.sidebar-logo i {
  font-size: 1.8rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.menu-item a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.menu-item a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.menu-item.active a {
  color: var(--text-primary);
  background: var(--primary-gradient);
  box-shadow: var(--shadow-glow);
}

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
}

.btn-settings {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  color: var(--text-secondary);
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  font-weight: 500;
  width: 100%;
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.btn-settings:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  margin-left: 280px;
  padding: 40px 60px;
  min-height: 100vh;
  position: relative;
}

.view-section {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}
.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--border-glass-hover);
}
.btn-success {
  background: var(--success-gradient);
  color: var(--text-primary);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .sidebar {
    width: 80px;
    padding: 24px 12px;
    align-items: center;
  }
  .sidebar-logo span, .menu-item a span, .btn-settings span {
    display: none;
  }
  .sidebar-logo {
    margin-bottom: 32px;
  }
  .menu-item a, .btn-settings {
    padding: 12px;
    justify-content: center;
  }
  .main-content {
    margin-left: 80px;
    padding: 30px;
  }
}

/* Public Landing Page Mode Override */
body.landing-mode .sidebar {
  display: none !important;
}
body.landing-mode .main-content {
  margin-left: 0 !important;
  padding: 40px min(80px, 8%) !important;
  width: 100vw;
}

/* Public Header Navigation */
.public-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
}
.public-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}
.public-header .logo i {
  font-size: 1.7rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}