:root {
    --fenrir-dark: #0a0b10;
    --fenrir-card-bg: rgba(18, 22, 36, 0.9);
    --fenrir-accent: #7d5fff;
    --fenrir-cyan: #00d2d3;
    --fenrir-text: #ffffff;
    --fenrir-muted: #a0a8c0;
    --fenrir-border: rgba(125, 95, 255, 0.3);
    --font-mono: 'Share Tech Mono', monospace;
    --font-sans: 'Rajdhani', sans-serif;
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--fenrir-dark);
    color: var(--fenrir-text);
    font-family: var(--font-sans);
    min-height: 100vh;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 80% 10%, rgba(125, 95, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(0, 210, 211, 0.08) 0%, transparent 40%);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--fenrir-card-bg);
    border: 1px solid var(--fenrir-border);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    margin-bottom: 1.2rem;
    font-family: var(--font-mono);
    width: 100%;
}

.brand {
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.diamond { color: var(--fenrir-cyan); }
.brand strong { color: var(--fenrir-accent); }

.live-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--fenrir-cyan);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--fenrir-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--fenrir-cyan);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

/* DASHBOARD GRID RESPONSIVO */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    width: 100%;
    flex: 1;
}

.card-container {
    background: var(--fenrir-card-bg);
    border: 1px solid var(--fenrir-border);
    border-radius: 14px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    min-width: 0; /* Previene desbordamiento en CSS Grid */
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--fenrir-border);
    padding-bottom: 0.6rem;
}

.card-header h3 {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--fenrir-cyan);
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: rgba(125, 95, 255, 0.2);
    border: 1px solid var(--fenrir-accent);
    color: var(--fenrir-accent);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

.badge.cyan {
    background: rgba(0, 210, 211, 0.15);
    border-color: var(--fenrir-cyan);
    color: var(--fenrir-cyan);
}

/* CARTERA TABLA Y UPLOAD */
.upload-box {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    flex-wrap: wrap;
    width: 100%;
}

.btn-file {
    background: rgba(125, 95, 255, 0.2);
    border: 1px solid var(--fenrir-accent);
    color: #fff;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.75rem;
}

.btn-file:hover { background: var(--fenrir-accent); }
#excel-file { display: none; }

.file-name-text {
    color: var(--fenrir-muted);
    word-break: break-all;
    font-size: 0.7rem;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.portfolio-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-align: left;
    white-space: nowrap;
}

.portfolio-table th {
    color: var(--fenrir-cyan);
    border-bottom: 1px solid var(--fenrir-border);
    padding: 0.5rem 0.3rem;
}

.portfolio-table td {
    padding: 0.5rem 0.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--fenrir-muted);
}

.portfolio-table td:first-child {
    color: #fff;
    font-weight: bold;
}

.distribution-chart-box {
    height: 200px;
    position: relative;
    width: 100%;
}

/* CONTENEDOR 2: CUADROS Y PROYECCIÓN */
.metrics-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
    width: 100%;
}

.metric-box {
    background: rgba(10, 11, 16, 0.8);
    border: 1px solid var(--fenrir-border);
    border-radius: 8px;
    padding: 0.6rem;
    display: flex;
    flex-direction: column;
}

.m-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--fenrir-muted);
}

.m-value {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--fenrir-cyan);
    font-weight: bold;
    margin-top: 0.2rem;
}

.projection-vertical-box {
    background: rgba(10, 11, 16, 0.85);
    border: 1px solid var(--fenrir-border);
    border-radius: 10px;
    padding: 0.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.projection-vertical-box h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--fenrir-accent);
    margin-bottom: 0.6rem;
}

.projection-scroll {
    overflow-y: auto;
    max-height: 250px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* CONTENEDOR 3: GOOGLE FINANCE STYLE */
.finance-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stock-title-info h2 {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--fenrir-muted);
}

.stock-title-info .ticker {
    color: var(--fenrir-cyan);
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    margin: 0.2rem 0;
    flex-wrap: wrap;
}

.main-price {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
}

.currency {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--fenrir-muted);
}

.price-change {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: bold;
}

.price-change.negative { color: #ff4757; }
.price-change.positive { color: #2ed573; }

.update-time {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--fenrir-muted);
}

.time-range-bar {
    display: flex;
    gap: 0.2rem;
    margin: 0.6rem 0;
    overflow-x: auto;
    padding-bottom: 0.3rem;
    -webkit-overflow-scrolling: touch;
}

.time-btn {
    background: transparent;
    border: none;
    color: var(--fenrir-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}

.time-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-weight: bold;
}

.chart-wrapper-finance {
    position: relative;
    height: 220px;
    width: 100%;
}

.finance-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.8rem;
}

.stat-box {
    background: rgba(10, 11, 16, 0.8);
    border: 1px solid var(--fenrir-border);
    border-radius: 6px;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.stat-row span { color: var(--fenrir-muted); }
.stat-row strong { color: #fff; }

/* FOOTER COPYRIGHT */
.app-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--fenrir-border);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--fenrir-muted);
}

.copyright-link {
    color: var(--fenrir-cyan);
    text-decoration: none;
    font-weight: bold;
}

/* MEDIA QUERIES RESPONSIVAS */

@media (max-width: 1100px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    body {
        padding: 0.5rem;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        padding: 0.6rem 0.8rem;
    }

    .brand {
        font-size: 0.85rem;
    }

    .main-price {
        font-size: 1.4rem;
    }

    .finance-stats-grid {
        grid-template-columns: 1fr;
    }

    .metrics-2x2 {
        grid-template-columns: 1fr;
    }
}