/* ============================================================
   MINANDO BITCOIN — Design System v2.0
   Aesthetic: Cyberpunk-Crypto Industrial
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Share+Tech+Mono&display=swap');

/* ─── CSS VARIABLES ──────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-void:    #020408;
  --bg-deep:    #050B17;
  --bg-surface: #080F1F;
  --bg-card:    rgba(8, 16, 36, 0.85);
  --bg-card-hover: rgba(10, 20, 48, 0.95);
  --bg-input:   rgba(255,255,255,0.04);

  /* Core colors */
  --bitcoin:    #F7931A;
  --bitcoin-dim:#C4720D;
  --bitcoin-glow: rgba(247,147,26,0.25);
  --cyan:       #00D4FF;
  --cyan-glow:  rgba(0,212,255,0.18);
  --purple:     #8B5CF6;
  --purple-glow:rgba(139,92,246,0.2);
  --green:      #10B981;
  --green-glow: rgba(16,185,129,0.2);
  --red:        #EF4444;
  --gold:       #FFD700;

  /* Borders */
  --border:       rgba(247,147,26,0.15);
  --border-bright:rgba(247,147,26,0.5);
  --border-cyan:  rgba(0,212,255,0.2);
  --border-white: rgba(255,255,255,0.07);

  /* Text */
  --text:       #E2E8F0;
  --text-muted: #5A6A8A;
  --text-dim:   #8A9AB8;

  /* Fonts */
  --font-display: 'Orbitron', 'Courier New', monospace;
  --font-body:    'Exo 2', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;

  /* Spacing */
  --radius:    12px;
  --radius-lg: 20px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-void);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Circuit board grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(247,147,26,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247,147,26,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: 0.05em; line-height: 1.2; }

.text-bitcoin { color: var(--bitcoin); }
.text-cyan    { color: var(--cyan); }
.text-purple  { color: var(--purple); }
.text-green   { color: var(--green); }
.text-muted   { color: var(--text-muted); }

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

.gradient-text {
  background: linear-gradient(135deg, var(--bitcoin) 0%, #FFD700 50%, var(--bitcoin) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glow-text {
  text-shadow: 0 0 20px var(--bitcoin-glow), 0 0 40px rgba(247,147,26,0.1);
}

/* ─── LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

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

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  background: rgba(2,4,8,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--bitcoin), #FFD700);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--bg-void);
  font-weight: 900;
  box-shadow: 0 0 16px var(--bitcoin-glow);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--bitcoin);
  letter-spacing: 0.05em;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.navbar-nav::-webkit-scrollbar { display: none; }

.navbar-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--bitcoin);
  background: var(--bitcoin-glow);
}

.navbar-nav a i { font-size: 0.85rem; }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ─── CARD ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bitcoin), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::before { opacity: 1; }

.card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px var(--bitcoin-glow);
  transform: translateY(-3px);
}

.card-bitcoin::before { background: linear-gradient(90deg, transparent, var(--bitcoin), transparent); opacity:0.6; }
.card-cyan::before    { background: linear-gradient(90deg, transparent, var(--cyan), transparent);    opacity:0.6; }
.card-purple::before  { background: linear-gradient(90deg, transparent, var(--purple), transparent);  opacity:0.6; }
.card-green::before   { background: linear-gradient(90deg, transparent, var(--green), transparent);   opacity:0.6; }

.card-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.card-value.bitcoin { color: var(--bitcoin); text-shadow: 0 0 20px var(--bitcoin-glow); }
.card-value.cyan    { color: var(--cyan);    text-shadow: 0 0 20px var(--cyan-glow); }
.card-value.green   { color: var(--green);   text-shadow: 0 0 20px var(--green-glow); }
.card-value.purple  { color: var(--purple);  text-shadow: 0 0 20px var(--purple-glow); }

/* ─── STAT CARD ──────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.stat-icon.bitcoin { background: var(--bitcoin-glow); color: var(--bitcoin); border: 1px solid rgba(247,147,26,0.3); }
.stat-icon.cyan    { background: var(--cyan-glow);    color: var(--cyan);    border: 1px solid rgba(0,212,255,0.3); }
.stat-icon.purple  { background: var(--purple-glow);  color: var(--purple);  border: 1px solid rgba(139,92,246,0.3); }
.stat-icon.green   { background: var(--green-glow);   color: var(--green);   border: 1px solid rgba(16,185,129,0.3); }

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-bitcoin {
  background: linear-gradient(135deg, var(--bitcoin) 0%, #FFD700 100%);
  color: #020408;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--bitcoin-glow);
}
.btn-bitcoin:hover {
  box-shadow: 0 6px 32px rgba(247,147,26,0.5);
  transform: translateY(-2px);
  color: #020408;
}

.btn-outline {
  background: transparent;
  color: var(--bitcoin);
  border-color: var(--bitcoin);
  box-shadow: 0 0 12px var(--bitcoin-glow);
}
.btn-outline:hover {
  background: var(--bitcoin-glow);
  box-shadow: 0 0 24px rgba(247,147,26,0.4);
  color: var(--bitcoin);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--cyan) 0%, #0099BB 100%);
  color: var(--bg-void);
  border-color: transparent;
  box-shadow: 0 4px 20px var(--cyan-glow);
}
.btn-cyan:hover {
  box-shadow: 0 6px 32px rgba(0,212,255,0.4);
  transform: translateY(-2px);
  color: var(--bg-void);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-dim);
  border-color: var(--border-white);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text);
  border-color: rgba(255,255,255,0.15);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ─── BADGE ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-bitcoin { background: var(--bitcoin-glow); color: var(--bitcoin); border: 1px solid rgba(247,147,26,0.3); }
.badge-cyan    { background: var(--cyan-glow);    color: var(--cyan);    border: 1px solid rgba(0,212,255,0.3); }
.badge-purple  { background: var(--purple-glow);  color: var(--purple);  border: 1px solid rgba(139,92,246,0.3); }
.badge-green   { background: var(--green-glow);   color: var(--green);   border: 1px solid rgba(16,185,129,0.3); }
.badge-red     { background: rgba(239,68,68,0.15); color: var(--red);   border: 1px solid rgba(239,68,68,0.3); }

/* ─── PROGRESS BAR ───────────────────────────────────────── */
.progress-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--bitcoin), #FFD700);
  box-shadow: 0 0 8px var(--bitcoin-glow);
  position: relative;
  transition: width 1s ease;
}

.progress-bar::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 16px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
  animation: shimmer-bar 1.5s infinite;
}

/* ─── FORMS ──────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--bitcoin);
  background: rgba(247,147,26,0.05);
  box-shadow: 0 0 0 3px var(--bitcoin-glow);
}

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

/* ─── PAGE HEADER ────────────────────────────────────────── */
.page-hero {
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
}

.page-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ─── SECTION HEADER ─────────────────────────────────────── */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .icon {
  color: var(--bitcoin);
  font-size: 1.1rem;
}

/* ─── DIVIDER ────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 2rem 0;
}

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: rgba(0,0,0,0.6);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--bitcoin); }

.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s;
}
.footer-social a:hover {
  background: var(--bitcoin-glow);
  border-color: var(--bitcoin);
  color: var(--bitcoin);
}

/* ─── TICKER ─────────────────────────────────────────────── */
.ticker-bar {
  background: rgba(247,147,26,0.07);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.ticker-inner {
  display: flex;
  gap: 3rem;
  animation: ticker-scroll 40s linear infinite;
  white-space: nowrap;
}

.ticker-item { display: flex; align-items: center; gap: 8px; }
.ticker-item .up   { color: var(--green); }
.ticker-item .down { color: var(--red); }

/* ─── RARITY BADGES ──────────────────────────────────────── */
.rarity-comun    { color: #94A3B8; }
.rarity-rara     { color: #60A5FA; }
.rarity-epica    { color: var(--purple); }
.rarity-legendaria { color: var(--bitcoin); text-shadow: 0 0 12px var(--bitcoin-glow); }

/* ─── MINING ANIMATION ───────────────────────────────────── */
.hash-block {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--bitcoin);
  opacity: 0;
  animation: hash-appear 0.5s forwards;
}

.mining-pulse {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ─── TOAST / ALERTS ─────────────────────────────────────── */
.alert {
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.alert-success { background: var(--green-glow);  border: 1px solid rgba(16,185,129,0.3); color: var(--green); }
.alert-warning { background: var(--bitcoin-glow); border: 1px solid rgba(247,147,26,0.3); color: var(--bitcoin); }
.alert-error   { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--red); }

/* ─── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(247,147,26,0.3); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--bitcoin); }

/* ─── KEYFRAMES ──────────────────────────────────────────── */
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 6px var(--green-glow); opacity: 1; }
  50%       { box-shadow: 0 0 18px rgba(16,185,129,0.6); opacity: 0.7; }
}

@keyframes shimmer-bar {
  0%   { opacity: 0; }
  50%  { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes hash-appear {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float-orb {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-20px) scale(1.05); }
}

@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes spin-rev  { to { transform: rotate(-360deg); } }

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 0.9; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── UTILITIES ──────────────────────────────────────────── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.gap-sm      { gap: 0.5rem; }
.gap-md      { gap: 1rem; }
.gap-lg      { gap: 1.5rem; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-sm  { margin-top: 0.5rem; }
.mt-md  { margin-top: 1rem; }
.mt-lg  { margin-top: 1.5rem; }
.mb-sm  { margin-bottom: 0.5rem; }
.mb-md  { margin-bottom: 1rem; }
.mb-lg  { margin-bottom: 1.5rem; }
.mb-xl  { margin-bottom: 2.5rem; }
.w-full { width: 100%; }

.animate-in { animation: fade-in-up 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ─── MEDIA ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-inner { height: 60px; }
  .brand-name { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}