/* ========================================
   StreamMaster - Base Styles & Variables
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #13131a;
  --bg-tertiary: #1a1a24;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Brand colors */
  --primary-purple: #a855f7;
  --primary-purple-dark: #9333ea;
  --primary-cyan: #06b6d4;
  --primary-cyan-dark: #0891b2;
  --gradient-primary: linear-gradient(135deg, #a855f7, #06b6d4);
  --gradient-secondary: linear-gradient(135deg, #06b6d4, #a855f7);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-disabled: rgba(255, 255, 255, 0.3);

  /* Status colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  /* Effects */
  --glow-purple: 0 0 30px rgba(168, 85, 247, 0.3);
  --glow-cyan: 0 0 30px rgba(6, 182, 212, 0.3);
  --glow-purple-strong: 0 0 50px rgba(168, 85, 247, 0.5);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.4);

  /* Spacing */
  --container-width: 1200px;
  --container-padding: 20px;
  --section-padding: 80px;
  --section-padding-mobile: 50px;
  --card-radius: 20px;
  --card-radius-small: 12px;
  --button-radius: 12px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
}

/* Base HTML */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  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;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

a {
  color: var(--primary-purple);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-cyan);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Glass Components */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 32px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--primary-purple);
  box-shadow: var(--glow-purple);
  transform: translateY(-4px);
}

.glass-surface {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--button-radius);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-purple);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--primary-purple);
  background: var(--bg-glass);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 18px 40px;
  font-size: var(--font-size-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius-small);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: var(--transition-smooth);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(168, 85, 247, 0.2);
  color: var(--primary-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

@keyframes float-reverse {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 30px) scale(1.1); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(168, 85, 247, 0.4); }
  50% { box-shadow: 0 0 40px rgba(168, 85, 247, 0.6); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: rgba(168, 85, 247, 0.3);
  color: var(--text-primary);
}

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--primary-purple);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --section-padding: 60px;
  }

  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 50px;
    --container-padding: 16px;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  .btn {
    padding: 12px 24px;
  }

  .btn-lg {
    padding: 14px 28px;
  }

  .glass-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }

  .glass-card {
    padding: 20px;
    border-radius: 16px;
  }
}