/* ==========================================================================
   IPTV Assistente — Dark Design System (100% Standalone CSS, Zero Warning)
   ========================================================================== */

:root {
  --bg-dark-900: #07090e;
  --bg-dark-850: #0b0e14;
  --bg-dark-800: #10141d;
  --bg-dark-700: #171c28;
  --bg-dark-600: #22293a;
  
  --brand-cyan: #06b6d4;
  --brand-blue: #2563eb;
  --color-emerald: #10b981;
  --color-amber: #f59e0b;
  --color-rose: #f43f5e;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(6, 182, 212, 0.4);
}

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

body {
  background-color: var(--bg-dark-900);
  color: #e4e4e7;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark-850);
}
::-webkit-scrollbar-thumb {
  background: #22293a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #374151;
}

/* Layout Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-stretch { align-items: stretch; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-3\.5 { gap: 0.875rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
  .sm\:items-center { align-items: center; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.hidden { display: none !important; }
.w-full { width: 100%; }
.w-48 { width: 12rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.min-h-screen { min-height: 100vh; }
.relative { position: relative; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.bottom-6 { bottom: 1.5rem; }
.right-6 { right: 1.5rem; }
.left-3 { left: 0.75rem; }
.top-2\.5 { top: 0.625rem; }
.z-30 { z-index: 30; }
.z-50 { z-index: 50; }

/* Spacing */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.pl-9 { padding-left: 2.25rem; }
.pr-4 { padding-right: 1rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-1\.5 { margin-top: 0.375rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

/* Backgrounds & Colors */
.bg-dark-900 { background-color: var(--bg-dark-900); }
.bg-dark-850 { background-color: var(--bg-dark-850); }
.bg-dark-800 { background-color: var(--bg-dark-800); }
.bg-dark-700 { background-color: var(--bg-dark-700); }
.bg-black\/75 { background-color: rgba(0, 0, 0, 0.75); }
.bg-zinc-900 { background-color: #18181b; }
.bg-zinc-800 { background-color: #27272a; }
.bg-cyan-600 { background-color: #0891b2; }
.bg-cyan-500\/10 { background-color: rgba(6, 182, 212, 0.1); }
.bg-emerald-500\/10 { background-color: rgba(16, 185, 129, 0.1); }
.bg-emerald-500\/20 { background-color: rgba(16, 185, 129, 0.2); }
.bg-emerald-500 { background-color: #10b981; }
.bg-emerald-400 { background-color: #34d399; }
.bg-amber-500\/10 { background-color: rgba(245, 158, 11, 0.1); }
.bg-amber-500\/20 { background-color: rgba(245, 158, 11, 0.2); }
.bg-rose-500\/10 { background-color: rgba(244, 63, 94, 0.1); }
.bg-rose-500\/20 { background-color: rgba(244, 63, 94, 0.2); }
.bg-rose-500 { background-color: #f43f5e; }
.bg-zinc-700\/30 { background-color: rgba(63, 63, 70, 0.3); }

.hover\:bg-dark-700:hover { background-color: var(--bg-dark-700); }
.hover\:bg-cyan-500:hover { background-color: #06b6d4; }
.hover\:bg-rose-950\/40:hover { background-color: rgba(76, 5, 25, 0.4); }

.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.bg-gradient-to-tr { background-image: linear-gradient(to top right, var(--tw-gradient-stops)); }
.from-cyan-500 { --tw-gradient-from: #06b6d4; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(6, 182, 212, 0)); }
.from-cyan-600 { --tw-gradient-from: #0891b2; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(8, 145, 178, 0)); }
.to-blue-500 { --tw-gradient-to: #3b82f6; }
.to-blue-600 { --tw-gradient-to: #2563eb; }

/* Text */
.text-white { color: #ffffff; }
.text-zinc-100 { color: #f4f4f5; }
.text-zinc-200 { color: #e4e4e7; }
.text-zinc-300 { color: #d4d4d8; }
.text-zinc-400 { color: #a1a1aa; }
.text-zinc-500 { color: #71717a; }
.text-cyan-300 { color: #67e8f9; }
.text-cyan-400 { color: #22d3ee; }
.text-emerald-300 { color: #6ee7b7; }
.text-emerald-400 { color: #34d399; }
.text-amber-300 { color: #fcd34d; }
.text-amber-400 { color: #fbbf24; }
.text-rose-300 { color: #fda4af; }
.text-rose-400 { color: #fb7185; }

.hover\:text-white:hover { color: #ffffff; }
.hover\:text-rose-300:hover { color: #fda4af; }

.text-\[10px\] { font-size: 0.625rem; line-height: 0.875rem; }
.text-\[11px\] { font-size: 0.6875rem; line-height: 1rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase { text-transform: uppercase; }
.capitalize { text-transform: capitalize; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Borders & Radius */
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/\[0\.08\] { border-color: rgba(255, 255, 255, 0.08); }
.border-white\/\[0\.06\] { border-color: rgba(255, 255, 255, 0.06); }
.border-white\/\[0\.04\] { border-color: rgba(255, 255, 255, 0.04); }
.border-cyan-500\/20 { border-color: rgba(6, 182, 212, 0.2); }
.border-cyan-500\/40 { border-color: rgba(6, 182, 212, 0.4); }
.border-emerald-500\/20 { border-color: rgba(16, 185, 129, 0.2); }
.border-amber-500\/20 { border-color: rgba(245, 158, 11, 0.2); }
.border-rose-500\/20 { border-color: rgba(244, 63, 94, 0.2); }
.border-rose-500\/30 { border-color: rgba(244, 63, 94, 0.3); }

.divide-y > * + * { border-top-width: 1px; border-top-style: solid; }
.divide-white\/\[0\.04\] > * + * { border-top-color: rgba(255, 255, 255, 0.04); }

/* Shadows & Blurs */
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

/* Buttons & Inputs */
button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

input, select {
  font-family: inherit;
}

input:focus, select:focus {
  outline: none;
  border-color: #06b6d4 !important;
  box-shadow: 0 0 0 1px #06b6d4 !important;
}

/* Animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.animate-scaleIn {
  animation: scaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

.transition {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.max-h-80 { max-height: 20rem; }
.select-all { user-select: all; }