/*
 * StreamFlow v2.2 - Glassmorphism Purple Theme
 * Modern UI with purple gradient & glass effects
 * © 2026 Mpratama - All rights reserved
 */

/* ========================================
   DESIGN TOKENS (CSS Variables)
   ======================================== */
:root {
  /* Primary Purple Palette */
  --sf-purple-50: #faf5ff;
  --sf-purple-100: #f3e8ff;
  --sf-purple-200: #e9d5ff;
  --sf-purple-300: #d8b4fe;
  --sf-purple-400: #c084fc;
  --sf-purple-500: #a855f7;
  --sf-purple-600: #9333ea;
  --sf-purple-700: #7c3aed;
  --sf-purple-800: #6b21a8;
  --sf-purple-900: #581c87;
  
  /* Accent Colors */
  --sf-accent-1: #7c3aed;       /* Primary purple */
  --sf-accent-2: #a855f7;       /* Secondary purple */
  --sf-accent-3: #22d3ee;       /* Cyan highlight */
  --sf-accent-4: #c084fc;       /* Light purple */
  
  /* Background Colors */
  --sf-bg-1: #0f0a1a;           /* Deepest dark purple */
  --sf-bg-2: #1a1025;           /* Dark purple */
  --sf-bg-3: #251536;           /* Medium dark */
  
  /* Glass Effect Colors */
  --sf-glass-bg: rgba(139, 92, 246, 0.08);
  --sf-glass-bg-hover: rgba(139, 92, 246, 0.12);
  --sf-glass-border: rgba(139, 92, 246, 0.2);
  --sf-glass-border-light: rgba(255, 255, 255, 0.1);
  
  /* Glow Effects */
  --sf-glow: rgba(124, 58, 237, 0.4);
  --sf-glow-strong: rgba(168, 85, 247, 0.6);
  --sf-glow-cyan: rgba(34, 211, 238, 0.3);
  
  /* Text Colors */
  --sf-text-primary: #ffffff;
  --sf-text-secondary: rgba(255, 255, 255, 0.7);
  --sf-text-muted: rgba(255, 255, 255, 0.5);
  
  /* Shadows */
  --sf-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --sf-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --sf-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --sf-shadow-glow: 0 0 20px var(--sf-glow);
  
  /* Border Radius */
  --sf-radius-sm: 0.5rem;
  --sf-radius-md: 0.75rem;
  --sf-radius-lg: 1rem;
  --sf-radius-xl: 1.5rem;
  
  /* Transitions */
  --sf-transition-fast: 150ms ease;
  --sf-transition-normal: 200ms ease;
  --sf-transition-slow: 300ms ease;
  
  /* Legacy primary color mapping */
  --primary-color: var(--sf-accent-1);
}

/* ========================================
   BACKGROUND CLASSES
   ======================================== */

/* Main gradient background with glow */
.sf-bg {
  background: linear-gradient(135deg, var(--sf-bg-1) 0%, var(--sf-bg-2) 50%, var(--sf-bg-1) 100%);
  position: relative;
}

.sf-bg::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(34, 211, 238, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Animated gradient background */
.sf-bg-animated {
  background: linear-gradient(-45deg, var(--sf-bg-1), var(--sf-bg-2), var(--sf-bg-3), var(--sf-bg-1));
  background-size: 400% 400%;
  animation: sf-gradient-shift 15s ease infinite;
}

@keyframes sf-gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ========================================
   GLASS EFFECT CLASSES
   ======================================== */

/* Base glass effect */
.sf-glass {
  background: var(--sf-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--sf-glass-border);
  box-shadow: var(--sf-shadow-md);
  transition: all var(--sf-transition-normal);
}

.sf-glass:hover {
  background: var(--sf-glass-bg-hover);
  border-color: rgba(139, 92, 246, 0.3);
}

/* Glass card variant */
.sf-card {
  background: rgba(30, 20, 50, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sf-glass-border-light);
  border-radius: var(--sf-radius-lg);
  box-shadow: var(--sf-shadow-md);
  transition: all var(--sf-transition-normal);
}

.sf-card:hover {
  border-color: var(--sf-glass-border);
  box-shadow: var(--sf-shadow-lg), var(--sf-shadow-glow);
  transform: translateY(-2px);
}

/* Glass card without hover effects (for static containers) */
.sf-card-static {
  background: rgba(30, 20, 50, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sf-glass-border-light);
  border-radius: var(--sf-radius-lg);
  box-shadow: var(--sf-shadow-md);
}

/* Sidebar glass */
.sf-sidebar {
  background: rgba(20, 12, 35, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--sf-glass-border-light);
}

/* Topbar glass */
.sf-topbar {
  background: rgba(20, 12, 35, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sf-glass-border-light);
}

/* Bottom nav glass (mobile) */
.sf-bottomnav {
  background: rgba(20, 12, 35, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--sf-glass-border-light);
}

/* ========================================
   BUTTON CLASSES
   ======================================== */

/* Primary button with gradient */
.sf-btn-primary {
  background: linear-gradient(135deg, var(--sf-accent-1) 0%, var(--sf-accent-2) 100%);
  color: white;
  border: none;
  border-radius: var(--sf-radius-md);
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--sf-transition-normal);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
  position: relative;
  overflow: hidden;
}

.sf-btn-primary:hover {
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
  transform: translateY(-1px);
}

.sf-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
}

.sf-btn-primary:focus-visible {
  outline: 2px solid var(--sf-accent-3);
  outline-offset: 2px;
}

.sf-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Secondary button (glass) */
.sf-btn-secondary {
  background: var(--sf-glass-bg);
  color: var(--sf-text-primary);
  border: 1px solid var(--sf-glass-border);
  border-radius: var(--sf-radius-md);
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--sf-transition-normal);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sf-btn-secondary:hover {
  background: var(--sf-glass-bg-hover);
  border-color: var(--sf-accent-2);
  box-shadow: var(--sf-shadow-glow);
}

.sf-btn-secondary:focus-visible {
  outline: 2px solid var(--sf-accent-3);
  outline-offset: 2px;
}

/* Danger button */
.sf-btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  border: none;
  border-radius: var(--sf-radius-md);
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--sf-transition-normal);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.sf-btn-danger:hover {
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
  transform: translateY(-1px);
}

/* ========================================
   INPUT CLASSES
   ======================================== */

.sf-input {
  width: 100%;
  background: rgba(30, 20, 50, 0.5);
  border: 1px solid var(--sf-glass-border-light);
  border-radius: var(--sf-radius-md);
  padding: 0.625rem 0.875rem;
  padding-left: 2.5rem;
  color: var(--sf-text-primary);
  font-size: 0.875rem;
  transition: all var(--sf-transition-normal);
}

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

.sf-input:focus {
  outline: none;
  border-color: var(--sf-accent-1);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
  background: rgba(40, 25, 65, 0.6);
}

.sf-input::placeholder {
  color: var(--sf-text-muted);
}

/* Input without left padding (no icon) */
.sf-input-plain {
  padding-left: 0.875rem;
}

/* Select input */
.sf-select {
  width: 100%;
  background: rgba(30, 20, 50, 0.5);
  border: 1px solid var(--sf-glass-border-light);
  border-radius: var(--sf-radius-md);
  padding: 0.625rem 2rem 0.625rem 0.875rem;
  color: var(--sf-text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--sf-transition-normal);
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
}

.sf-select:focus {
  outline: none;
  border-color: var(--sf-accent-1);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* ========================================
   BADGES & CHIPS
   ======================================== */

.sf-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--sf-glass-bg);
  border: 1px solid var(--sf-glass-border-light);
  color: var(--sf-text-secondary);
}

.sf-badge-primary {
  background: rgba(124, 58, 237, 0.2);
  border-color: rgba(124, 58, 237, 0.4);
  color: var(--sf-accent-4);
}

.sf-badge-success {
  background: rgba(34, 197, 94, 0.2);
  border-color: rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

.sf-badge-danger {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
}

.sf-badge-warning {
  background: rgba(234, 179, 8, 0.2);
  border-color: rgba(234, 179, 8, 0.4);
  color: #fbbf24;
}

.sf-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.813rem;
  border-radius: var(--sf-radius-sm);
  background: var(--sf-glass-bg);
  border: 1px solid var(--sf-glass-border-light);
  color: var(--sf-text-secondary);
  transition: all var(--sf-transition-fast);
}

.sf-chip:hover {
  background: var(--sf-glass-bg-hover);
  border-color: var(--sf-glass-border);
}

/* ========================================
   NAVIGATION ACTIVE STATE
   ======================================== */

.sf-nav-active {
  background: linear-gradient(135deg, var(--sf-accent-1) 0%, var(--sf-accent-2) 100%) !important;
  color: white !important;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.sf-nav-item {
  position: relative;
  transition: all var(--sf-transition-normal);
  color: var(--sf-text-secondary);
}

.sf-nav-item:hover {
  color: var(--sf-text-primary);
  background: var(--sf-glass-bg);
}

/* Bottom nav active indicator */
.sf-bottom-nav-active {
  color: var(--sf-accent-2) !important;
}

.sf-bottom-nav-active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--sf-accent-1), var(--sf-accent-2));
  border-radius: 0 0 4px 4px;
}

/* ========================================
   ALERT / NOTIFICATION CLASSES
   ======================================== */

.sf-alert {
  padding: 1rem;
  border-radius: var(--sf-radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sf-alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.sf-alert-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
}

.sf-alert-warning {
  background: rgba(234, 179, 8, 0.15);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #fde047;
}

.sf-alert-info {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

/* ========================================
   DROPDOWN / POPUP GLASS
   ======================================== */

.sf-dropdown {
  background: rgba(25, 15, 45, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--sf-glass-border);
  border-radius: var(--sf-radius-md);
  box-shadow: var(--sf-shadow-lg);
}

.sf-dropdown-item {
  padding: 0.625rem 1rem;
  color: var(--sf-text-secondary);
  transition: all var(--sf-transition-fast);
}

.sf-dropdown-item:hover {
  background: var(--sf-glass-bg-hover);
  color: var(--sf-text-primary);
}

/* ========================================
   MODAL GLASS
   ======================================== */

.sf-modal-overlay {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.sf-modal {
  background: rgba(25, 15, 45, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--sf-glass-border);
  border-radius: var(--sf-radius-xl);
  box-shadow: var(--sf-shadow-lg), 0 0 40px rgba(124, 58, 237, 0.2);
}

/* ========================================
   TABLE STYLES
   ======================================== */

.sf-table {
  width: 100%;
  border-collapse: collapse;
}

.sf-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--sf-text-secondary);
  border-bottom: 1px solid var(--sf-glass-border-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sf-table td {
  padding: 0.875rem 1rem;
  color: var(--sf-text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sf-table tr:hover td {
  background: var(--sf-glass-bg);
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */

.sf-scrollbar::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.sf-scrollbar::-webkit-scrollbar-track {
  background: rgba(124, 58, 237, 0.1);
  border-radius: 4px;
}

.sf-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.3);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.sf-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.5);
}

.sf-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: rgba(124, 58, 237, 0.3) rgba(124, 58, 237, 0.1);
}

/* ========================================
   FOCUS VISIBLE (Accessibility)
   ======================================== */

*:focus-visible {
  outline: 2px solid var(--sf-accent-3);
  outline-offset: 2px;
}

/* Remove outline for mouse users */
*:focus:not(:focus-visible) {
  outline: none;
}

/* ========================================
   UTILITIES
   ======================================== */

.sf-text-gradient {
  background: linear-gradient(135deg, var(--sf-accent-1), var(--sf-accent-2), var(--sf-accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sf-border-gradient {
  border: 1px solid transparent;
  background: linear-gradient(var(--sf-bg-2), var(--sf-bg-2)) padding-box,
              linear-gradient(135deg, var(--sf-accent-1), var(--sf-accent-2)) border-box;
}

.sf-glow-purple {
  box-shadow: 0 0 20px var(--sf-glow);
}

.sf-glow-cyan {
  box-shadow: 0 0 20px var(--sf-glow-cyan);
}

/* Divider */
.sf-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sf-glass-border), transparent);
}

/* Loading skeleton */
.sf-skeleton {
  background: linear-gradient(90deg, var(--sf-glass-bg) 25%, var(--sf-glass-bg-hover) 50%, var(--sf-glass-bg) 75%);
  background-size: 200% 100%;
  animation: sf-skeleton-loading 1.5s infinite;
}

@keyframes sf-skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================
   TRANSITION OVERRIDES FOR PERFORMANCE
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}