:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #141b2d;
    --bg-card: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #8b92a8;
    --accent: #4f8fff;
    --success: #00d4aa;
    --warning: #ffb800;
    --danger: #ff4757;
    --purple: #a855f7;
    --border: #2d3748;
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: 'Inter', -apple-system, sans-serif; 
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    padding: 12px;
    min-height: 100dvh;
}

/* Header de páginas internas */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px 0;
}

.btn-back {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.btn-back:active {
    transform: scale(0.95);
    background: var(--accent);
}

.page-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.avatar-mini {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent) 0%, #667eea 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    position: relative;
}

/* Contenedor principal */
.content {
    height: calc(100dvh - 90px);
    overflow-y: auto;
}

/* Cards para listas */
.list-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.2s;
}

.list-card:active {
    transform: scale(0.98);
    background: rgba(26, 35, 50, 0.8);
}

/* Más estilos comunes... */