/* ===== Cyberpunk Design System ===== */
:root {
    --bg-void: #05050a;
    --bg-deep: #0a0a12;
    --bg-panel: #0d0d18;
    --bg-card: #0f0f1a;
    --bg-card-inner: #111122;

    --cyan: #00f0ff;
    --cyan-dim: #00f0ff88;
    --cyan-glow: rgba(0, 240, 255, 0.15);
    --magenta: #ff00aa;
    --magenta-dim: #ff00aa88;
    --magenta-glow: rgba(255, 0, 170, 0.15);
    --yellow: #f0e020;
    --yellow-dim: #f0e02088;
    --yellow-glow: rgba(240, 224, 32, 0.12);
    --green: #00ff88;
    --green-dim: #00ff8888;
    --red: #ff3355;
    --orange: #ff8800;
    --orange-dim: #ff880066;

    --text-primary: #e0e8f0;
    --text-secondary: #6880a0;
    --text-muted: #3a4a60;

    --border: rgba(0, 240, 255, 0.08);
    --border-active: rgba(0, 240, 255, 0.25);

    --font-display: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --font-body: 'Inter', sans-serif;

    --radius: 4px;
    --transition: 200ms ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-void);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== Cyberpunk Background ===== */
.cyber-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridDrift 30s linear infinite;
}

@keyframes gridDrift {
    0% { transform: translate(0,0); }
    100% { transform: translate(60px, 60px); }
}

.scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 240, 255, 0.008) 2px,
        rgba(0, 240, 255, 0.008) 4px
    );
    animation: scanlineFlicker 0.1s infinite;
}

@keyframes scanlineFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.97; }
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
    top: -10%; left: -5%;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, var(--magenta) 0%, transparent 70%);
    bottom: 10%; right: -8%;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, var(--yellow) 0%, transparent 70%);
    top: 40%; left: 50%;
    animation-delay: -14s;
    opacity: 0.12;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== Layout ===== */
.app-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 20px 40px;
}

/* ===== Header ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-glitch {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--cyan);
    text-shadow: 0 0 10px var(--cyan-glow), 0 0 40px var(--cyan-glow);
    letter-spacing: 2px;
    position: relative;
}

.logo-glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 2px;
    top: 0;
    color: var(--magenta);
    clip-path: inset(20% 0 60% 0);
    animation: glitch 3s infinite;
    opacity: 0.6;
}

@keyframes glitch {
    0%, 95%, 100% { clip-path: inset(20% 0 60% 0); transform: translate(0); }
    96% { clip-path: inset(10% 0 30% 0); transform: translate(-2px, 1px); }
    97% { clip-path: inset(60% 0 5% 0); transform: translate(2px, -1px); }
    98% { clip-path: inset(40% 0 20% 0); transform: translate(-1px); }
}

.header-subtitle {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    margin-top: 4px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: var(--radius);
    background: rgba(0, 255, 136, 0.04);
}

.status-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: dotPulse 2s ease infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
    50% { opacity: 0.4; box-shadow: 0 0 2px var(--green); }
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--green);
    letter-spacing: 2px;
}

.last-update {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.auto-refresh {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.refresh-indicator {
    width: 16px; height: 16px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 60s linear infinite;
}

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

/* ===== Rate Cards Grid ===== */
.rates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

/* ===== Rate Card ===== */
.rate-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px;
    transition: all var(--transition);
    overflow: hidden;
}

.rate-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition);
}

.rate-card:hover::before { opacity: 1; }
.rate-card:hover { border-color: var(--border-active); }

.rate-card.bcv::before { background: linear-gradient(135deg, var(--cyan-glow), transparent 60%); }
.rate-card.paralelo::before { background: linear-gradient(135deg, var(--magenta-glow), transparent 60%); }
.rate-card.binance::before { background: linear-gradient(135deg, var(--yellow-glow), transparent 60%); }
.rate-card.airtm::before { background: linear-gradient(135deg, rgba(0, 136, 255, 0.1), transparent 60%); }

/* Card corners */
.card-corner {
    position: absolute;
    width: 10px;
    height: 10px;
}

.card-corner.tl { top: -1px; left: -1px; border-top: 2px solid var(--cyan-dim); border-left: 2px solid var(--cyan-dim); }
.card-corner.tr { top: -1px; right: -1px; border-top: 2px solid var(--cyan-dim); border-right: 2px solid var(--cyan-dim); }
.card-corner.bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--cyan-dim); border-left: 2px solid var(--cyan-dim); }
.card-corner.br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--cyan-dim); border-right: 2px solid var(--cyan-dim); }

.paralelo .card-corner { border-color: var(--magenta-dim); }
.binance .card-corner { border-color: var(--yellow-dim); }
.airtm .card-corner { border-color: var(--orange-dim); }

.card-scanline {
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: var(--cyan);
    opacity: 0;
    animation: cardScan 6s ease-in-out infinite;
}

.paralelo .card-scanline { background: var(--magenta); }
.binance .card-scanline { background: var(--yellow); }
.airtm .card-scanline { background: var(--orange); }

@keyframes cardScan {
    0%, 100% { top: 0; opacity: 0; }
    5% { opacity: 0.3; }
    50% { top: 100%; opacity: 0.3; }
    55% { opacity: 0; }
}

/* Card header */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.card-source {
    display: flex;
    align-items: center;
    gap: 10px;
}

.source-icon {
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: rgba(0, 240, 255, 0.05);
    color: var(--cyan);
}

.paralelo .source-icon { color: var(--magenta); background: rgba(255, 0, 170, 0.05); }
.binance .source-icon { color: var(--yellow); background: rgba(240, 224, 32, 0.05); }
.airtm .source-icon { color: var(--orange); background: rgba(255, 136, 0, 0.05); }

.source-name {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
}

.source-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.card-badge {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 600;
    letter-spacing: 2px;
    padding: 4px 10px;
    border-radius: 2px;
}

.card-badge.official {
    color: var(--cyan);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.card-badge.parallel {
    color: var(--magenta);
    background: rgba(255, 0, 170, 0.08);
    border: 1px solid rgba(255, 0, 170, 0.2);
}

.card-badge.binance-badge {
    color: var(--yellow);
    background: rgba(240, 224, 32, 0.08);
    border: 1px solid rgba(240, 224, 32, 0.2);
}

.card-badge.airtm-badge {
    color: var(--orange);
    background: rgba(255, 136, 0, 0.08);
    border: 1px solid rgba(255, 136, 0, 0.2);
}

/* Card body */
.card-body {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}

.rate-display {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.currency-symbol {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.rate-value {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
    text-shadow: 0 0 20px var(--cyan-glow);
    transition: all 0.5s ease;
}

.paralelo .rate-value { text-shadow: 0 0 20px var(--magenta-glow); }
.binance .rate-value { text-shadow: 0 0 20px var(--yellow-glow); }
.airtm .rate-value { text-shadow: 0 0 20px rgba(255, 136, 0, 0.15); }

.rate-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 4px;
}

/* Card footer */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.update-time {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.change-indicator {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
}

.change-indicator.up { color: var(--green); }
.change-indicator.down { color: var(--red); }
.change-indicator.neutral { color: var(--text-muted); }

/* Update flash animation */
.rate-card.flash .rate-value {
    animation: rateFlash 0.8s ease;
}

@keyframes rateFlash {
    0% { opacity: 0.3; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

/* ===== Converter Section ===== */
.converter-section {
    margin-bottom: 32px;
}

.converter-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px;
    overflow: hidden;
}

.converter-card .card-corner.tl,
.converter-card .card-corner.tr,
.converter-card .card-corner.bl,
.converter-card .card-corner.br {
    border-color: rgba(0, 240, 255, 0.15);
}

.converter-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--cyan-glow);
}

.converter-body {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.converter-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.converter-input-group label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.converter-input-group input {
    width: 180px;
    padding: 12px 16px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    color: var(--cyan);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    outline: none;
    transition: var(--transition);
}

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

.converter-input-group input:focus {
    border-color: var(--cyan-dim);
    box-shadow: 0 0 16px var(--cyan-glow), inset 0 0 8px var(--cyan-glow);
}

.converter-arrow {
    color: var(--text-muted);
    animation: arrowPulse 2s ease infinite;
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(4px); }
}

.converter-results {
    display: flex;
    gap: 16px;
    flex: 1;
    flex-wrap: wrap;
}

.result-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 16px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    min-width: 140px;
    flex: 1;
}

.result-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.result-value {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding-top: 16px;
}

.footer-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
    margin-bottom: 16px;
}

.footer p {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.footer-disclaimer {
    color: var(--text-muted);
    opacity: 0.6;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .app-wrapper { padding: 20px 12px 30px; }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-right {
        flex-wrap: wrap;
        gap: 10px;
    }

    .logo-glitch { font-size: 1.3rem; }

    .rates-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .rate-value { font-size: 2rem; }

    .converter-body {
        flex-direction: column;
        align-items: stretch;
    }

    .converter-input-group input { width: 100%; }

    .converter-arrow {
        transform: rotate(90deg);
        align-self: center;
    }

    .converter-results {
        flex-direction: column;
    }

    .result-row { min-width: unset; }
}

@media (max-width: 480px) {
    .logo-glitch { font-size: 1.1rem; letter-spacing: 1px; }
    .rate-value { font-size: 1.7rem; }
    .source-name { font-size: 0.65rem; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--bg-panel); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

::selection {
    background: rgba(0, 240, 255, 0.2);
    color: var(--text-primary);
}

/* Loading shimmer */
.rate-value.loading {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-inner) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}