/* ═══════════════════════════════════════════════════════════════
   DBG Ecosystem — Unified Design System
   Shared across: account, tools, music, holds, chats, credits, hub
   Version: 2.0.0
   ═══════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  /* Core palette */
  --dbg-bg-void: #05070a;
  --dbg-bg-deep: #0a0c12;
  --dbg-bg-surface: #0f1420;
  --dbg-bg-elevated: #151c2c;
  --dbg-bg-card: rgba(10, 12, 18, 0.8);

  /* Accent */
  --dbg-cyan: #00f2ff;
  --dbg-cyan-dim: rgba(0, 242, 255, 0.15);
  --dbg-blue: #0070ff;
  --dbg-purple: #a855f7;
  --dbg-pink: #ec4899;
  --dbg-green: #10b981;
  --dbg-red: #ef4444;
  --dbg-amber: #f59e0b;
  --dbg-yellow: #eab308;

  /* Text */
  --dbg-text: #ffffff;
  --dbg-text-primary: #e2e8f0;
  --dbg-text-muted: #8e96a3;
  --dbg-text-dim: #545d6a;

  /* Glass */
  --dbg-glass-border: rgba(255, 255, 255, 0.08);
  --dbg-glass-bg: rgba(15, 20, 30, 0.6);
  --dbg-glass-blur: blur(20px) saturate(180%);

  /* Shadows */
  --dbg-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --dbg-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --dbg-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
  --dbg-shadow-cyan: 0 8px 25px rgba(0, 242, 255, 0.25);

  /* Radius */
  --dbg-radius-sm: 8px;
  --dbg-radius-md: 12px;
  --dbg-radius-lg: 16px;
  --dbg-radius-xl: 24px;
  --dbg-radius-full: 100px;

  /* Transitions */
  --dbg-ease: cubic-bezier(0.19, 1, 0.22, 1);
  --dbg-transition-fast: all 0.2s var(--dbg-ease);
  --dbg-transition: all 0.3s var(--dbg-ease);
  --dbg-transition-slow: all 0.5s var(--dbg-ease);

  /* Font */
  --dbg-font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--dbg-font);
  background: var(--dbg-bg-deep);
  color: var(--dbg-text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--dbg-cyan); color: var(--dbg-bg-void); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dbg-bg-void); }
::-webkit-scrollbar-thumb { background: var(--dbg-cyan); border-radius: 10px; }

a { color: var(--dbg-cyan); text-decoration: none; transition: var(--dbg-transition-fast); }
a:hover { opacity: 0.85; }

img { max-width: 100%; height: auto; }

/* ─── Layout ─── */
.dbg-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.dbg-container-narrow { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }

/* ─── Glass Card ─── */
.dbg-glass {
  background: var(--dbg-glass-bg);
  backdrop-filter: var(--dbg-glass-blur);
  -webkit-backdrop-filter: var(--dbg-glass-blur);
  border: 1px solid var(--dbg-glass-border);
  border-radius: var(--dbg-radius-xl);
}

.dbg-card {
  background: var(--dbg-bg-card);
  border: 1px solid var(--dbg-glass-border);
  border-radius: var(--dbg-radius-xl);
  box-shadow: var(--dbg-shadow-lg);
  transition: var(--dbg-transition-slow);
}
.dbg-card:hover {
  border-color: rgba(0, 242, 255, 0.15);
  transform: translateY(-2px);
}

/* ─── Buttons ─── */
.dbg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--dbg-radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--dbg-transition);
  border: 1px solid transparent;
  text-decoration: none;
  font-family: var(--dbg-font);
  line-height: 1;
}
.dbg-btn:active { transform: scale(0.97); }

.dbg-btn-primary {
  background: linear-gradient(135deg, var(--dbg-cyan), var(--dbg-blue));
  color: #fff;
}
.dbg-btn-primary:hover { box-shadow: var(--dbg-shadow-cyan); transform: translateY(-2px); }

.dbg-btn-outline {
  background: transparent;
  border-color: var(--dbg-glass-border);
  color: var(--dbg-text-primary);
}
.dbg-btn-outline:hover {
  border-color: var(--dbg-cyan);
  background: rgba(0, 242, 255, 0.05);
  color: var(--dbg-cyan);
}

.dbg-btn-danger {
  background: var(--dbg-red);
  color: #fff;
}
.dbg-btn-danger:hover { background: #dc2626; }

.dbg-btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; border-radius: var(--dbg-radius-md); }
.dbg-btn-lg { padding: 1rem 2rem; font-size: 1rem; }

/* ─── Inputs ─── */
.dbg-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dbg-glass-border);
  border-radius: var(--dbg-radius-lg);
  color: var(--dbg-text-primary);
  font-size: 0.9rem;
  font-family: var(--dbg-font);
  outline: none;
  transition: var(--dbg-transition);
}
.dbg-input:focus {
  border-color: var(--dbg-cyan);
  box-shadow: 0 0 0 3px rgba(0, 242, 255, 0.1);
}
.dbg-input::placeholder { color: var(--dbg-text-dim); }

/* ─── Badges ─── */
.dbg-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dbg-glass-border);
  border-radius: var(--dbg-radius-full);
  color: var(--dbg-cyan);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.dbg-badge-success { background: rgba(16, 185, 129, 0.1); color: var(--dbg-green); border-color: rgba(16, 185, 129, 0.2); }
.dbg-badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--dbg-red); border-color: rgba(239, 68, 68, 0.2); }
.dbg-badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--dbg-amber); border-color: rgba(245, 158, 11, 0.2); }

/* ─── Typography ─── */
.dbg-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--dbg-text);
}
.dbg-subtitle { font-size: 1.1rem; color: var(--dbg-text-muted); font-weight: 400; }
.dbg-section-title { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 700; }
.dbg-accent-line {
  width: 60px; height: 3px;
  background: linear-gradient(to right, var(--dbg-cyan), transparent);
  margin: 1rem 0;
}

/* ─── Grid ─── */
.dbg-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.dbg-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.dbg-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ─── Toggle Switch ─── */
.dbg-toggle {
  position: relative;
  display: inline-flex;
  width: 48px;
  height: 24px;
  flex-shrink: 0;
}
.dbg-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.dbg-toggle-track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #374151;
  border-radius: 24px;
  transition: 0.3s;
}
.dbg-toggle-track::before {
  content: "";
  position: absolute;
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.3s;
}
.dbg-toggle input:checked + .dbg-toggle-track { background: var(--dbg-cyan); }
.dbg-toggle input:checked + .dbg-toggle-track::before { transform: translateX(24px); }

/* ─── Animations ─── */
@keyframes dbgFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes dbgPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes dbgSpin {
  to { transform: rotate(360deg); }
}
.dbg-animate-in { animation: dbgFadeIn 0.4s var(--dbg-ease) forwards; }
.dbg-fade-up {
  opacity: 0;
  transform: translateY(12px);
  animation: dbgFadeIn 0.45s var(--dbg-ease) forwards;
}
.dbg-delay-1 { animation-delay: 0.05s; }
.dbg-delay-2 { animation-delay: 0.1s; }
.dbg-delay-3 { animation-delay: 0.15s; }
.dbg-delay-4 { animation-delay: 0.2s; }

/* ─── Toast Notifications ─── */
.dbg-toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}
.dbg-toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  color: #fff;
  border: 1px solid;
  border-radius: var(--dbg-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  box-shadow: var(--dbg-shadow-md);
  transform: translateX(120%);
  transition: transform 0.4s var(--dbg-ease), opacity 0.3s ease;
  font-family: var(--dbg-font);
  max-width: 380px;
}
.dbg-toast.show { transform: translateX(0); }
.dbg-toast-success { background: rgba(16, 185, 129, 0.95); border-color: rgba(16, 185, 129, 0.3); }
.dbg-toast-error { background: rgba(239, 68, 68, 0.95); border-color: rgba(239, 68, 68, 0.3); }
.dbg-toast-warning { background: rgba(245, 158, 11, 0.95); border-color: rgba(245, 158, 11, 0.3); }
.dbg-toast-info { background: rgba(0, 242, 255, 0.95); border-color: rgba(0, 242, 255, 0.3); }

/* ─── Ecosystem Nav Bar ─── */
.dbg-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--dbg-glass-border);
  padding: 0 1.5rem;
}
.dbg-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 1rem;
}
.dbg-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--dbg-text);
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.dbg-nav-logo img { width: 28px; height: 28px; border-radius: 8px; }
.dbg-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.dbg-nav-link {
  padding: 0.5rem 0.85rem;
  border-radius: var(--dbg-radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dbg-text-muted);
  text-decoration: none;
  transition: var(--dbg-transition-fast);
  white-space: nowrap;
}
.dbg-nav-link:hover { color: var(--dbg-text); background: rgba(255, 255, 255, 0.05); }
.dbg-nav-link.active { color: var(--dbg-cyan); background: var(--dbg-cyan-dim); }
.dbg-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.dbg-nav-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--dbg-radius-md);
  cursor: pointer;
  transition: var(--dbg-transition-fast);
}
.dbg-nav-user:hover { background: rgba(255, 255, 255, 0.05); }
.dbg-nav-avatar {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--dbg-cyan), var(--dbg-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
}
.dbg-nav-eco-links {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--dbg-radius-md);
  border: 1px solid var(--dbg-glass-border);
}
.dbg-nav-eco-link {
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dbg-text-dim);
  text-decoration: none;
  transition: var(--dbg-transition-fast);
}
.dbg-nav-eco-link:hover { color: var(--dbg-text); background: rgba(255, 255, 255, 0.05); }
.dbg-nav-eco-link.current { color: var(--dbg-cyan); background: var(--dbg-cyan-dim); }

/* ─── Ecosystem Footer ─── */
.dbg-footer {
  border-top: 1px solid var(--dbg-glass-border);
  padding: 3rem 1.5rem;
  margin-top: 4rem;
}
.dbg-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
}
.dbg-footer-brand p {
  color: var(--dbg-text-muted);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  max-width: 300px;
  line-height: 1.6;
}
.dbg-footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--dbg-text-dim);
  margin-bottom: 1rem;
}
.dbg-footer-col a {
  display: block;
  color: var(--dbg-text-muted);
  font-size: 0.85rem;
  padding: 0.3rem 0;
  transition: var(--dbg-transition-fast);
}
.dbg-footer-col a:hover { color: var(--dbg-cyan); }
.dbg-footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dbg-glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--dbg-text-dim);
}
.dbg-footer-bottom a { color: var(--dbg-text-muted); }
.dbg-footer-bottom a:hover { color: var(--dbg-cyan); }

/* ─── Ecosystem App Grid (for hub pages) ─── */
.dbg-app-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--dbg-bg-card);
  border: 1px solid var(--dbg-glass-border);
  border-radius: var(--dbg-radius-lg);
  text-decoration: none;
  color: inherit;
  transition: var(--dbg-transition);
}
.dbg-app-card:hover {
  border-color: rgba(0, 242, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--dbg-shadow-cyan);
}
.dbg-app-icon {
  width: 40px; height: 40px;
  border-radius: var(--dbg-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.dbg-app-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; }
.dbg-app-card p { font-size: 0.75rem; color: var(--dbg-text-muted); }

/* ─── Loading Spinner ─── */
.dbg-spinner {
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dbgSpin 0.6s linear infinite;
  display: inline-block;
}

/* ─── Policy Content ─── */
.dbg-policy {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.dbg-policy h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(to bottom, #fff 30%, var(--dbg-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dbg-policy .policy-date {
  text-align: center;
  color: var(--dbg-cyan);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 3rem;
}
.dbg-policy h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dbg-cyan);
  margin: 2.5rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.dbg-policy h2:first-of-type { margin-top: 0; }
.dbg-policy p, .dbg-policy li {
  font-size: 0.95rem;
  color: var(--dbg-text-muted);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.dbg-policy ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.dbg-policy li { margin-bottom: 0.5rem; }
.dbg-policy a { color: var(--dbg-cyan); text-decoration: underline; text-underline-offset: 2px; }
.dbg-policy strong { color: var(--dbg-text-primary); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .dbg-grid-2, .dbg-grid-3, .dbg-grid-4 { grid-template-columns: 1fr; }
  .dbg-footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .dbg-footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .dbg-nav-links { display: none; }
  .dbg-nav-eco-links { display: none; }
}
@media (max-width: 1024px) {
  .dbg-grid-4 { grid-template-columns: repeat(2, 1fr); }
}