/* ==========================================================================
   DevFlow Main App & Base Layout
   ========================================================================== */

/* Background cyber grid & aura */
body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #25334d;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: #3b4e72;
}

/* Selection */
::selection {
  background: var(--primary);
  color: #fff;
}

/* Typography Helpers */
.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #22d3ee, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.font-mono {
  font-family: var(--font-mono);
}

/* Main Dashboard App Frame */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin-left: var(--sidebar-width);
  transition: margin-left var(--transition-normal);
}

.app-content {
  flex: 1;
  padding: 2rem;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
}

/* Top Notification Banner (e.g., Demo Mode Indicator or announcements) */
.global-banner {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.2));
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  position: relative;
  z-index: 100;
}

.global-banner.hidden {
  display: none;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.banner-badge {
  background: var(--grad-primary);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.banner-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast);
}

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

/* Glass panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-card-glow);
  pointer-events: none;
}